The MAX291/MAX292/MAX295/MAX296 are easy-to-use, 8th-order, lowpass, switched-capacitor filters that can be set up with corner frequencies from 0.1Hz to 25kHz (MAX291/MAX292) or 0.1Hz to 50kHz (MAX295/MAX296).The MAX291/MAX295 Butterworth filters provide maximally flat passband response, and the MAX292/MAX296 Bessel filters provide low overshoot and fast settling. All four filters have fixed responses, so the design task is limited to selecting the clock frequency that controls the filter's corner frequency.An external capacitor is used to generate a clock using the internal oscillator, or an external clock signal can be used. An uncommitted operational amplifier (noninverting input grounded) is provided for building a continuous time lowpass filter for post-filtering or anti-aliasing.Produced in an 8-pin DIP/SO and a 16-pin wide SO package, and requiring a minimum of external components, the MAX291 series delivers very aggressive performance from a tiny area.Applications50Hz/60Hz Line-Noise FilteringADC Anti-Aliasing FilterDAC Post-FilteringNoise Analysis

The MAX291/MAX292/MAX295/MAX296 are easy-to-use, 8th-order, lowpass, switched-capacitor filters that can be set up with corner frequencies from 0.1Hz to 25kHz (MAX291/MAX292) or 0.1Hz to 50kHz (MAX295/MAX296).The MAX291/MAX295 Butterworth filters provide maximally flat passband response, and the MAX292/MAX296 Bessel filters provide low overshoot and fast settling. All four filters have fixed responses, so the design task is limited to selecting the clock frequency that controls the filter's corner frequency.An external capacitor is used to generate a clock using the internal oscillator, or an external clock signal can be used. An uncommitted operational amplifier (noninverting input grounded) is provided for building a continuous time lowpass filter for post-filtering or anti-aliasing.Produced in an 8-pin DIP/SO and a 16-pin wide SO package, and requiring a minimum of external components, the MAX291 series delivers very aggressive performance from a tiny area.Applications50Hz/60Hz Line-Noise FilteringADC Anti-Aliasing FilterDAC Post-FilteringNoise Analysis

The MAX3080-MAX3089 high-speed transceivers forRS-485/RS-422 communication contain one driver andone receiver. These devices feature fail-safe circuitry,which guarantees a logic-high receiver output when thereceiver inputs are open or shorted. This means thatthe receiver output will be a logic high if all transmitterson a terminated bus are disabled (high impedance).The MAX3080/MAX3081/MAX3082 feature reducedslew-rate drivers that minimize EMI and reduce reflectionscaused by improperly terminated cables, allowingerror-free data transmission up to 115kbps. TheMAX3083/MAX3084/MAX3085 offer higher driver outputslew-rate limits, allowing transmit speeds up to500kbps. The MAX3086/MAX3087/MAX3088's driverslew rates are not limited, making transmit speeds upto 10Mbps possible. The MAX3089's slew rate isselectable between 115kbps, 500kbps, and 10Mbpsby driving a selector pin with a single three-state driver.These transceivers typically draw 375µA of supplycurrent when unloaded, or when fully loaded with thedrivers disabled.All devices have a 1/8-unit-load receiver input impedancethat allows up to 256 transceivers on the bus. TheMAX3082/MAX3085/MAX3088 are intended for halfduplexcommunications, while the MAX3080/MAX3081/MAX3083/MAX3084/MAX3086/MAX3087 are intendedfor full-duplex communications. The MAX3089 is selectablebetween half-duplex and full-duplex operation. Italso features independently programmable receiverand transmitter output phase via separate pins.ApplicationsIndustrial-Control Local Area NetworksLevel TranslatorsRS-422/RS-485 CommunicationsTransceivers for EMI-Sensitive Applications

The MAX3080-MAX3089 high-speed transceivers forRS-485/RS-422 communication contain one driver andone receiver. These devices feature fail-safe circuitry,which guarantees a logic-high receiver output when thereceiver inputs are open or shorted. This means thatthe receiver output will be a logic high if all transmitterson a terminated bus are disabled (high impedance).The MAX3080/MAX3081/MAX3082 feature reducedslew-rate drivers that minimize EMI and reduce reflectionscaused by improperly terminated cables, allowingerror-free data transmission up to 115kbps. TheMAX3083/MAX3084/MAX3085 offer higher driver outputslew-rate limits, allowing transmit speeds up to500kbps. The MAX3086/MAX3087/MAX3088's driverslew rates are not limited, making transmit speeds upto 10Mbps possible. The MAX3089's slew rate isselectable between 115kbps, 500kbps, and 10Mbpsby driving a selector pin with a single three-state driver.These transceivers typically draw 375µA of supplycurrent when unloaded, or when fully loaded with thedrivers disabled.All devices have a 1/8-unit-load receiver input impedancethat allows up to 256 transceivers on the bus. TheMAX3082/MAX3085/MAX3088 are intended for halfduplexcommunications, while the MAX3080/MAX3081/MAX3083/MAX3084/MAX3086/MAX3087 are intendedfor full-duplex communications. The MAX3089 is selectablebetween half-duplex and full-duplex operation. Italso features independently programmable receiverand transmitter output phase via separate pins.ApplicationsIndustrial-Control Local Area NetworksLevel TranslatorsRS-422/RS-485 CommunicationsTransceivers for EMI-Sensitive Applications

The MAX3080-MAX3089 high-speed transceivers forRS-485/RS-422 communication contain one driver andone receiver. These devices feature fail-safe circuitry,which guarantees a logic-high receiver output when thereceiver inputs are open or shorted. This means thatthe receiver output will be a logic high if all transmitterson a terminated bus are disabled (high impedance).The MAX3080/MAX3081/MAX3082 feature reducedslew-rate drivers that minimize EMI and reduce reflectionscaused by improperly terminated cables, allowingerror-free data transmission up to 115kbps. TheMAX3083/MAX3084/MAX3085 offer higher driver outputslew-rate limits, allowing transmit speeds up to500kbps. The MAX3086/MAX3087/MAX3088's driverslew rates are not limited, making transmit speeds upto 10Mbps possible. The MAX3089's slew rate isselectable between 115kbps, 500kbps, and 10Mbpsby driving a selector pin with a single three-state driver.These transceivers typically draw 375µA of supplycurrent when unloaded, or when fully loaded with thedrivers disabled.All devices have a 1/8-unit-load receiver input impedancethat allows up to 256 transceivers on the bus. TheMAX3082/MAX3085/MAX3088 are intended for halfduplexcommunications, while the MAX3080/MAX3081/MAX3083/MAX3084/MAX3086/MAX3087 are intendedfor full-duplex communications. The MAX3089 is selectablebetween half-duplex and full-duplex operation. Italso features independently programmable receiverand transmitter output phase via separate pins.ApplicationsIndustrial-Control Local Area NetworksLevel TranslatorsRS-422/RS-485 CommunicationsTransceivers for EMI-Sensitive Applications

The MAX3080-MAX3089 high-speed transceivers forRS-485/RS-422 communication contain one driver andone receiver. These devices feature fail-safe circuitry,which guarantees a logic-high receiver output when thereceiver inputs are open or shorted. This means thatthe receiver output will be a logic high if all transmitterson a terminated bus are disabled (high impedance).The MAX3080/MAX3081/MAX3082 feature reducedslew-rate drivers that minimize EMI and reduce reflectionscaused by improperly terminated cables, allowingerror-free data transmission up to 115kbps. TheMAX3083/MAX3084/MAX3085 offer higher driver outputslew-rate limits, allowing transmit speeds up to500kbps. The MAX3086/MAX3087/MAX3088's driverslew rates are not limited, making transmit speeds upto 10Mbps possible. The MAX3089's slew rate isselectable between 115kbps, 500kbps, and 10Mbpsby driving a selector pin with a single three-state driver.These transceivers typically draw 375µA of supplycurrent when unloaded, or when fully loaded with thedrivers disabled.All devices have a 1/8-unit-load receiver input impedancethat allows up to 256 transceivers on the bus. TheMAX3082/MAX3085/MAX3088 are intended for halfduplexcommunications, while the MAX3080/MAX3081/MAX3083/MAX3084/MAX3086/MAX3087 are intendedfor full-duplex communications. The MAX3089 is selectablebetween half-duplex and full-duplex operation. Italso features independently programmable receiverand transmitter output phase via separate pins.ApplicationsIndustrial-Control Local Area NetworksLevel TranslatorsRS-422/RS-485 CommunicationsTransceivers for EMI-Sensitive Applications

The MAX3080-MAX3089 high-speed transceivers forRS-485/RS-422 communication contain one driver andone receiver. These devices feature fail-safe circuitry,which guarantees a logic-high receiver output when thereceiver inputs are open or shorted. This means thatthe receiver output will be a logic high if all transmitterson a terminated bus are disabled (high impedance).The MAX3080/MAX3081/MAX3082 feature reducedslew-rate drivers that minimize EMI and reduce reflectionscaused by improperly terminated cables, allowingerror-free data transmission up to 115kbps. TheMAX3083/MAX3084/MAX3085 offer higher driver outputslew-rate limits, allowing transmit speeds up to500kbps. The MAX3086/MAX3087/MAX3088's driverslew rates are not limited, making transmit speeds upto 10Mbps possible. The MAX3089's slew rate isselectable between 115kbps, 500kbps, and 10Mbpsby driving a selector pin with a single three-state driver.These transceivers typically draw 375µA of supplycurrent when unloaded, or when fully loaded with thedrivers disabled.All devices have a 1/8-unit-load receiver input impedancethat allows up to 256 transceivers on the bus. TheMAX3082/MAX3085/MAX3088 are intended for halfduplexcommunications, while the MAX3080/MAX3081/MAX3083/MAX3084/MAX3086/MAX3087 are intendedfor full-duplex communications. The MAX3089 is selectablebetween half-duplex and full-duplex operation. Italso features independently programmable receiverand transmitter output phase via separate pins.ApplicationsIndustrial-Control Local Area NetworksLevel TranslatorsRS-422/RS-485 CommunicationsTransceivers for EMI-Sensitive Applications

The MAX3080-MAX3089 high-speed transceivers forRS-485/RS-422 communication contain one driver andone receiver. These devices feature fail-safe circuitry,which guarantees a logic-high receiver output when thereceiver inputs are open or shorted. This means thatthe receiver output will be a logic high if all transmitterson a terminated bus are disabled (high impedance).The MAX3080/MAX3081/MAX3082 feature reducedslew-rate drivers that minimize EMI and reduce reflectionscaused by improperly terminated cables, allowingerror-free data transmission up to 115kbps. TheMAX3083/MAX3084/MAX3085 offer higher driver outputslew-rate limits, allowing transmit speeds up to500kbps. The MAX3086/MAX3087/MAX3088's driverslew rates are not limited, making transmit speeds upto 10Mbps possible. The MAX3089's slew rate isselectable between 115kbps, 500kbps, and 10Mbpsby driving a selector pin with a single three-state driver.These transceivers typically draw 375µA of supplycurrent when unloaded, or when fully loaded with thedrivers disabled.All devices have a 1/8-unit-load receiver input impedancethat allows up to 256 transceivers on the bus. TheMAX3082/MAX3085/MAX3088 are intended for halfduplexcommunications, while the MAX3080/MAX3081/MAX3083/MAX3084/MAX3086/MAX3087 are intendedfor full-duplex communications. The MAX3089 is selectablebetween half-duplex and full-duplex operation. Italso features independently programmable receiverand transmitter output phase via separate pins.ApplicationsIndustrial-Control Local Area NetworksLevel TranslatorsRS-422/RS-485 CommunicationsTransceivers for EMI-Sensitive Applications

The MAX3080-MAX3089 high-speed transceivers forRS-485/RS-422 communication contain one driver andone receiver. These devices feature fail-safe circuitry,which guarantees a logic-high receiver output when thereceiver inputs are open or shorted. This means thatthe receiver output will be a logic high if all transmitterson a terminated bus are disabled (high impedance).The MAX3080/MAX3081/MAX3082 feature reducedslew-rate drivers that minimize EMI and reduce reflectionscaused by improperly terminated cables, allowingerror-free data transmission up to 115kbps. TheMAX3083/MAX3084/MAX3085 offer higher driver outputslew-rate limits, allowing transmit speeds up to500kbps. The MAX3086/MAX3087/MAX3088's driverslew rates are not limited, making transmit speeds upto 10Mbps possible. The MAX3089's slew rate isselectable between 115kbps, 500kbps, and 10Mbpsby driving a selector pin with a single three-state driver.These transceivers typically draw 375µA of supplycurrent when unloaded, or when fully loaded with thedrivers disabled.All devices have a 1/8-unit-load receiver input impedancethat allows up to 256 transceivers on the bus. TheMAX3082/MAX3085/MAX3088 are intended for halfduplexcommunications, while the MAX3080/MAX3081/MAX3083/MAX3084/MAX3086/MAX3087 are intendedfor full-duplex communications. The MAX3089 is selectablebetween half-duplex and full-duplex operation. Italso features independently programmable receiverand transmitter output phase via separate pins.ApplicationsIndustrial-Control Local Area NetworksLevel TranslatorsRS-422/RS-485 CommunicationsTransceivers for EMI-Sensitive Applications

The MAX3080-MAX3089 high-speed transceivers forRS-485/RS-422 communication contain one driver andone receiver. These devices feature fail-safe circuitry,which guarantees a logic-high receiver output when thereceiver inputs are open or shorted. This means thatthe receiver output will be a logic high if all transmitterson a terminated bus are disabled (high impedance).The MAX3080/MAX3081/MAX3082 feature reducedslew-rate drivers that minimize EMI and reduce reflectionscaused by improperly terminated cables, allowingerror-free data transmission up to 115kbps. TheMAX3083/MAX3084/MAX3085 offer higher driver outputslew-rate limits, allowing transmit speeds up to500kbps. The MAX3086/MAX3087/MAX3088's driverslew rates are not limited, making transmit speeds upto 10Mbps possible. The MAX3089's slew rate isselectable between 115kbps, 500kbps, and 10Mbpsby driving a selector pin with a single three-state driver.These transceivers typically draw 375µA of supplycurrent when unloaded, or when fully loaded with thedrivers disabled.All devices have a 1/8-unit-load receiver input impedancethat allows up to 256 transceivers on the bus. TheMAX3082/MAX3085/MAX3088 are intended for halfduplexcommunications, while the MAX3080/MAX3081/MAX3083/MAX3084/MAX3086/MAX3087 are intendedfor full-duplex communications. The MAX3089 is selectablebetween half-duplex and full-duplex operation. Italso features independently programmable receiverand transmitter output phase via separate pins.ApplicationsIndustrial-Control Local Area NetworksLevel TranslatorsRS-422/RS-485 CommunicationsTransceivers for EMI-Sensitive Applications

The MAX3080-MAX3089 high-speed transceivers forRS-485/RS-422 communication contain one driver andone receiver. These devices feature fail-safe circuitry,which guarantees a logic-high receiver output when thereceiver inputs are open or shorted. This means thatthe receiver output will be a logic high if all transmitterson a terminated bus are disabled (high impedance).The MAX3080/MAX3081/MAX3082 feature reducedslew-rate drivers that minimize EMI and reduce reflectionscaused by improperly terminated cables, allowingerror-free data transmission up to 115kbps. TheMAX3083/MAX3084/MAX3085 offer higher driver outputslew-rate limits, allowing transmit speeds up to500kbps. The MAX3086/MAX3087/MAX3088's driverslew rates are not limited, making transmit speeds upto 10Mbps possible. The MAX3089's slew rate isselectable between 115kbps, 500kbps, and 10Mbpsby driving a selector pin with a single three-state driver.These transceivers typically draw 375µA of supplycurrent when unloaded, or when fully loaded with thedrivers disabled.All devices have a 1/8-unit-load receiver input impedancethat allows up to 256 transceivers on the bus. TheMAX3082/MAX3085/MAX3088 are intended for halfduplexcommunications, while the MAX3080/MAX3081/MAX3083/MAX3084/MAX3086/MAX3087 are intendedfor full-duplex communications. The MAX3089 is selectablebetween half-duplex and full-duplex operation. Italso features independently programmable receiverand transmitter output phase via separate pins.ApplicationsIndustrial-Control Local Area NetworksLevel TranslatorsRS-422/RS-485 CommunicationsTransceivers for EMI-Sensitive Applications

The MAX3080-MAX3089 high-speed transceivers forRS-485/RS-422 communication contain one driver andone receiver. These devices feature fail-safe circuitry,which guarantees a logic-high receiver output when thereceiver inputs are open or shorted. This means thatthe receiver output will be a logic high if all transmitterson a terminated bus are disabled (high impedance).The MAX3080/MAX3081/MAX3082 feature reducedslew-rate drivers that minimize EMI and reduce reflectionscaused by improperly terminated cables, allowingerror-free data transmission up to 115kbps. TheMAX3083/MAX3084/MAX3085 offer higher driver outputslew-rate limits, allowing transmit speeds up to500kbps. The MAX3086/MAX3087/MAX3088's driverslew rates are not limited, making transmit speeds upto 10Mbps possible. The MAX3089's slew rate isselectable between 115kbps, 500kbps, and 10Mbpsby driving a selector pin with a single three-state driver.These transceivers typically draw 375µA of supplycurrent when unloaded, or when fully loaded with thedrivers disabled.All devices have a 1/8-unit-load receiver input impedancethat allows up to 256 transceivers on the bus. TheMAX3082/MAX3085/MAX3088 are intended for halfduplexcommunications, while the MAX3080/MAX3081/MAX3083/MAX3084/MAX3086/MAX3087 are intendedfor full-duplex communications. The MAX3089 is selectablebetween half-duplex and full-duplex operation. Italso features independently programmable receiverand transmitter output phase via separate pins.ApplicationsIndustrial-Control Local Area NetworksLevel TranslatorsRS-422/RS-485 CommunicationsTransceivers for EMI-Sensitive Applications

The MAX3080-MAX3089 high-speed transceivers forRS-485/RS-422 communication contain one driver andone receiver. These devices feature fail-safe circuitry,which guarantees a logic-high receiver output when thereceiver inputs are open or shorted. This means thatthe receiver output will be a logic high if all transmitterson a terminated bus are disabled (high impedance).The MAX3080/MAX3081/MAX3082 feature reducedslew-rate drivers that minimize EMI and reduce reflectionscaused by improperly terminated cables, allowingerror-free data transmission up to 115kbps. TheMAX3083/MAX3084/MAX3085 offer higher driver outputslew-rate limits, allowing transmit speeds up to500kbps. The MAX3086/MAX3087/MAX3088's driverslew rates are not limited, making transmit speeds upto 10Mbps possible. The MAX3089's slew rate isselectable between 115kbps, 500kbps, and 10Mbpsby driving a selector pin with a single three-state driver.These transceivers typically draw 375µA of supplycurrent when unloaded, or when fully loaded with thedrivers disabled.All devices have a 1/8-unit-load receiver input impedancethat allows up to 256 transceivers on the bus. TheMAX3082/MAX3085/MAX3088 are intended for halfduplexcommunications, while the MAX3080/MAX3081/MAX3083/MAX3084/MAX3086/MAX3087 are intendedfor full-duplex communications. The MAX3089 is selectablebetween half-duplex and full-duplex operation. Italso features independently programmable receiverand transmitter output phase via separate pins.ApplicationsIndustrial-Control Local Area NetworksLevel TranslatorsRS-422/RS-485 CommunicationsTransceivers for EMI-Sensitive Applications

The MAX3095/MAX3096 are rugged, low-power, quad, RS-422/RS-485 receivers with electrostatic discharge (ESD) protection for use in harsh environments. All receiver inputs are protected to ±15kV using IEC 1000-4-2 Air-Gap Discharge, ±8kV using IEC 1000-4-2 Contact Discharge, and ±15kV using the Human Body Model. The MAX3095 operates from a +5V supply, while the MAX3096 operates from a +3.3V supply. Receiver propagation delays are guaranteed to within ±8ns of a predetermined value, thereby ensuring device-to-device matching across production lots.Complementary enable inputs can be used to place the devices in a 1nA low-power shutdown mode in which the receiver outputs are high impedance. When active, these receivers have a fail-safe feature that guarantees a logic-high output if the input is open circuit. They also feature a quarter-unit-load input impedance that allows 128 receivers on a bus.The MAX3095/MAX3096 are pin-compatible, low-power upgrades to the industry-standard '26LS32. They are available in a space-saving QSOP package.ApplicationsLevel TranslatorsReceivers for ESD-Sensitive ApplicationsRugged RS-422/RS-485/RS-423 Bus ReceiverTelecommunications Equipment

The MAX3095/MAX3096 are rugged, low-power, quad, RS-422/RS-485 receivers with electrostatic discharge (ESD) protection for use in harsh environments. All receiver inputs are protected to ±15kV using IEC 1000-4-2 Air-Gap Discharge, ±8kV using IEC 1000-4-2 Contact Discharge, and ±15kV using the Human Body Model. The MAX3095 operates from a +5V supply, while the MAX3096 operates from a +3.3V supply. Receiver propagation delays are guaranteed to within ±8ns of a predetermined value, thereby ensuring device-to-device matching across production lots.Complementary enable inputs can be used to place the devices in a 1nA low-power shutdown mode in which the receiver outputs are high impedance. When active, these receivers have a fail-safe feature that guarantees a logic-high output if the input is open circuit. They also feature a quarter-unit-load input impedance that allows 128 receivers on a bus.The MAX3095/MAX3096 are pin-compatible, low-power upgrades to the industry-standard '26LS32. They are available in a space-saving QSOP package.ApplicationsLevel TranslatorsReceivers for ESD-Sensitive ApplicationsRugged RS-422/RS-485/RS-423 Bus ReceiverTelecommunications Equipment

The MAX3095/MAX3096 are rugged, low-power, quad, RS-422/RS-485 receivers with electrostatic discharge (ESD) protection for use in harsh environments. All receiver inputs are protected to ±15kV using IEC 1000-4-2 Air-Gap Discharge, ±8kV using IEC 1000-4-2 Contact Discharge, and ±15kV using the Human Body Model. The MAX3095 operates from a +5V supply, while the MAX3096 operates from a +3.3V supply. Receiver propagation delays are guaranteed to within ±8ns of a predetermined value, thereby ensuring device-to-device matching across production lots.Complementary enable inputs can be used to place the devices in a 1nA low-power shutdown mode in which the receiver outputs are high impedance. When active, these receivers have a fail-safe feature that guarantees a logic-high output if the input is open circuit. They also feature a quarter-unit-load input impedance that allows 128 receivers on a bus.The MAX3095/MAX3096 are pin-compatible, low-power upgrades to the industry-standard '26LS32. They are available in a space-saving QSOP package.ApplicationsLevel TranslatorsReceivers for ESD-Sensitive ApplicationsRugged RS-422/RS-485/RS-423 Bus ReceiverTelecommunications Equipment

The MAX3095/MAX3096 are rugged, low-power, quad, RS-422/RS-485 receivers with electrostatic discharge (ESD) protection for use in harsh environments. All receiver inputs are protected to ±15kV using IEC 1000-4-2 Air-Gap Discharge, ±8kV using IEC 1000-4-2 Contact Discharge, and ±15kV using the Human Body Model. The MAX3095 operates from a +5V supply, while the MAX3096 operates from a +3.3V supply. Receiver propagation delays are guaranteed to within ±8ns of a predetermined value, thereby ensuring device-to-device matching across production lots.Complementary enable inputs can be used to place the devices in a 1nA low-power shutdown mode in which the receiver outputs are high impedance. When active, these receivers have a fail-safe feature that guarantees a logic-high output if the input is open circuit. They also feature a quarter-unit-load input impedance that allows 128 receivers on a bus.The MAX3095/MAX3096 are pin-compatible, low-power upgrades to the industry-standard '26LS32. They are available in a space-saving QSOP package.ApplicationsLevel TranslatorsReceivers for ESD-Sensitive ApplicationsRugged RS-422/RS-485/RS-423 Bus ReceiverTelecommunications Equipment

The MAX3095/MAX3096 are rugged, low-power, quad, RS-422/RS-485 receivers with electrostatic discharge (ESD) protection for use in harsh environments. All receiver inputs are protected to ±15kV using IEC 1000-4-2 Air-Gap Discharge, ±8kV using IEC 1000-4-2 Contact Discharge, and ±15kV using the Human Body Model. The MAX3095 operates from a +5V supply, while the MAX3096 operates from a +3.3V supply. Receiver propagation delays are guaranteed to within ±8ns of a predetermined value, thereby ensuring device-to-device matching across production lots.Complementary enable inputs can be used to place the devices in a 1nA low-power shutdown mode in which the receiver outputs are high impedance. When active, these receivers have a fail-safe feature that guarantees a logic-high output if the input is open circuit. They also feature a quarter-unit-load input impedance that allows 128 receivers on a bus.The MAX3095/MAX3096 are pin-compatible, low-power upgrades to the industry-standard '26LS32. They are available in a space-saving QSOP package.ApplicationsLevel TranslatorsReceivers for ESD-Sensitive ApplicationsRugged RS-422/RS-485/RS-423 Bus ReceiverTelecommunications Equipment

The MAX3100 universal asynchronous receiver transmitter (UART) is the first UART specifically optimized for small microcontroller-based systems. Using an SPI™/MICROWIRE™ interface for communication with the host microcontroller (µC), the MAX3100 comes in a compact 24-pin-TQFN and 16-pin QSOP. The asynchronous I/O is suitable for use in RS-232, RS-485, IR, and opto-isolated data links. IR-link communication is easy with the MAX3100's infrared data association (IrDA) timing mode.The MAX3100 includes a crystal oscillator and a baud-rate generator with software-programmable divider ratios for all common baud rates from 300 baud to 230k baud. A software- or hardware-invoked shutdown lowers quiescent current to 10µA, while allowing the MAX3100 to detect receiver activity.An 8-word-deep first-in/first-out (FIFO) buffer minimizes processor overhead. This device also includes a flexible interrupt with four maskable sources, including address recognition on 9-bit networks. Two hardware-handshaking control lines are included (one input and one output).The MAX3100 is available in 14-pin plastic DIP and small, 16-pin QSOP packages in the commercial and extended temperature ranges.ApplicationsHandheld Instruments (PDAs, Palmtops)Intelligent InstrumentsIsolated RS-232/RS-485: Directly Drives OptocouplersLow-Cost IR Data Links for Computers/PeripheralsSmall Networks in HVAC or Building ControlUART in SPI Systems

The MAX3100 universal asynchronous receiver transmitter (UART) is the first UART specifically optimized for small microcontroller-based systems. Using an SPI™/MICROWIRE™ interface for communication with the host microcontroller (µC), the MAX3100 comes in a compact 24-pin-TQFN and 16-pin QSOP. The asynchronous I/O is suitable for use in RS-232, RS-485, IR, and opto-isolated data links. IR-link communication is easy with the MAX3100's infrared data association (IrDA) timing mode.The MAX3100 includes a crystal oscillator and a baud-rate generator with software-programmable divider ratios for all common baud rates from 300 baud to 230k baud. A software- or hardware-invoked shutdown lowers quiescent current to 10µA, while allowing the MAX3100 to detect receiver activity.An 8-word-deep first-in/first-out (FIFO) buffer minimizes processor overhead. This device also includes a flexible interrupt with four maskable sources, including address recognition on 9-bit networks. Two hardware-handshaking control lines are included (one input and one output).The MAX3100 is available in 14-pin plastic DIP and small, 16-pin QSOP packages in the commercial and extended temperature ranges.ApplicationsHandheld Instruments (PDAs, Palmtops)Intelligent InstrumentsIsolated RS-232/RS-485: Directly Drives OptocouplersLow-Cost IR Data Links for Computers/PeripheralsSmall Networks in HVAC or Building ControlUART in SPI Systems