The MAX13330/MAX13331 stereo headphone amplifiers are designed for automotive applications requiring output short-circuit and ESD protection to battery/ground with diagnostics. These devices use Maxim's unique DirectDrive® architecture to produce a ground-referenced output from a single supply, eliminating the need for large DC-blocking capacitors, saving board space and component height. The gain of the amplifier is set internally (-1.5V/V) on the MAX13330 or adjusted externally with resistors on the MAX13331.The MAX13330/MAX13331 deliver 120mW per channel into a 16Ω load or 135mW into a 32Ω load and have a low 0.01% THD+N. Low output impedance and the efficient integrated charge pump allows the device to drive loads as low as 8Ω, enabling the use of small loudspeakers. An 80dB at 217Hz PSRR allows these devices to operate from noisy digital supplies without an additional linear regulator. These devices include ±15kV Human Body Model ESD protection and short-circuit protection up to +45V at the headphone outputs. Comprehensive click-and-pop circuitry suppresses audible clicks and pops on startup and shutdown. A low-power shutdown mode reduces the supply current to 3µA (typ).The MAX13330/MAX13331 are specified from -40°C to +105°C AEC-Q100 Level 2 automotive temperature range and are available in a 16-pin QSOP package.ApplicationsAutomotive Entertainment SystemsAutomotive Rear Seat Entertainment Systems

The MAX13430E–MAX13433E are full- and half-duplex RS-485 transceivers that feature an adjustable low-voltage logic interface for operation in multivoltage systems. This allows direct interfacing to low-voltage ASIC/FPGAs without extra components. The MAX13430E–MAX13433E RS-485 transceivers operate with a VCC voltage supply from +3V to +5V. The low-voltage logic interface operates with a voltage supply from +1.62V to VCC.The MAX13430E/MAX13432E feature reduced slew-rate drivers that minimize EMI and reduce reflections caused by improperly terminated cables, allowing error-free data transmission up to 500kbps. The MAX13431E/MAX13433E driver slew rates are not limited, enabling data transmission up to 16Mbps. The MAX13430E/MAX13431E are intended for half-duplex communications, and the MAX13432E/MAX13433E are intended for full-duplex communications.The MAX13430E/MAX13431E are available in 10-pin µMAX® and 10-pin TDFN packages. The MAX13432E/MAX13433E are available in 14-pin TDFN and 14-pin SO packages.ApplicationsHVACIndustrial Control SystemsMotor ControlPortable Industrial Equipment

The MAX13430E–MAX13433E are full- and half-duplex RS-485 transceivers that feature an adjustable low-voltage logic interface for operation in multivoltage systems. This allows direct interfacing to low-voltage ASIC/FPGAs without extra components. The MAX13430E–MAX13433E RS-485 transceivers operate with a VCC voltage supply from +3V to +5V. The low-voltage logic interface operates with a voltage supply from +1.62V to VCC.The MAX13430E/MAX13432E feature reduced slew-rate drivers that minimize EMI and reduce reflections caused by improperly terminated cables, allowing error-free data transmission up to 500kbps. The MAX13431E/MAX13433E driver slew rates are not limited, enabling data transmission up to 16Mbps. The MAX13430E/MAX13431E are intended for half-duplex communications, and the MAX13432E/MAX13433E are intended for full-duplex communications.The MAX13430E/MAX13431E are available in 10-pin µMAX® and 10-pin TDFN packages. The MAX13432E/MAX13433E are available in 14-pin TDFN and 14-pin SO packages.ApplicationsHVACIndustrial Control SystemsMotor ControlPortable Industrial Equipment

The MAX13430E–MAX13433E are full- and half-duplex RS-485 transceivers that feature an adjustable low-voltage logic interface for operation in multivoltage systems. This allows direct interfacing to low-voltage ASIC/FPGAs without extra components. The MAX13430E–MAX13433E RS-485 transceivers operate with a VCC voltage supply from +3V to +5V. The low-voltage logic interface operates with a voltage supply from +1.62V to VCC.The MAX13430E/MAX13432E feature reduced slew-rate drivers that minimize EMI and reduce reflections caused by improperly terminated cables, allowing error-free data transmission up to 500kbps. The MAX13431E/MAX13433E driver slew rates are not limited, enabling data transmission up to 16Mbps. The MAX13430E/MAX13431E are intended for half-duplex communications, and the MAX13432E/MAX13433E are intended for full-duplex communications.The MAX13430E/MAX13431E are available in 10-pin µMAX® and 10-pin TDFN packages. The MAX13432E/MAX13433E are available in 14-pin TDFN and 14-pin SO packages.ApplicationsHVACIndustrial Control SystemsMotor ControlPortable Industrial Equipment

The MAX1437B octal, 12-bit analog-to-digital converter (ADC) features fully differential inputs, a pipelined architecture, and digital error correction incorporating a fully differential signal path. This ADC is optimized for low-power and high-dynamic performance in medical imaging instrumentation and digital communications applications. The MAX1437B operates from a 1.8V single supply and consumes only 768mW (96mW per channel) while delivering a 70.2dB (typ) signal-to-noise ratio (SNR) at a 5.3MHz input frequency. In addition to low operating power, the MAX1437B features a low-power standby mode for idle periods.An internal 1.24V precision bandgap reference sets the full-scale range of the ADC. A flexible reference structure allows the use of an external reference for applications requiring increased accuracy or a different input voltage range. The reference architecture is optimized for low noise.A single-ended clock controls the data-conversion process. An internal duty-cycle equalizer compensates for wide variations in clock duty cycle. An on-chip phase-locked loop (PLL) generates the high-speed serial low-voltage differential signal (LVDS) clock.The MAX1437B has self-aligned serial LVDS outputs for data, clock, and frame-alignment signals. The output data is presented in two's complement format.The MAX1437B offers a maximum sample rate of 50Msps. This device is available in a small, 10mm x 10mm x 0.8mm, 68-pin TQFN package with exposed pad and is specified for the extended industrial (-40°C to +85°C) temperature range.ApplicationsInstrumentationMultichannel CommunicationsUltrasound and Medical Imaging

The MAX14504/MAX14505/MAX14505A/MAX14506 dual single-pole/double-throw (SPDT) audio switches feature negative signal capability that allows signals from -VCC to +VCC to pass without distortion. They feature high continuous current ratings of 550mA (continuous) and 850mA (pulsed). These analog switches have low on-resistance, low supply current, and operate from a single +2.3V to +5.5V supply.The MAX14505/MAX14505A have internal shunt switches that discharge the audio amplifier AC-coupling capacitance at the normally open (NO) terminals. This reduces click-and-pop sounds that occur when switching audio signals between precharged points. The MAX14504/MAX14505/MAX14505A/MAX14506 control the switches with control bit, CB, and feature an enable input, active-low EN, that place COM in a high-impedance mode.The MAX14504/MAX14505/MAX14505A/MAX14506 are fully specified to operate from a single +2.3V to +5.5V power supply. These devices are available in a 1.56mm x 2.14mm, 12-bump WLP package, and operate over the -40°C to +85°C extended temperature range.ApplicationsCell PhonesMP3 PlayersPortable Audio EquipmentSpeaker Switching

The MAX14508E—MAX14511E/MAX14509AE high-ESD-protectedDPDT switches multiplex Hi-Speed (480Mbps)USB and analog signals such as AC-coupled audio orvideo. These devices combine the low on-capacitance(CON) and low on-resistance (RON) necessary for high-performance switching applications in portable electronics,and include an internal negative supply to passaudio signals that swing below ground (down to VCC - 5.0V). The MAX14508E—MAX14511E/MAX14509AE alsohandle USB low-/full-speed signaling and operate froma +2.7V to +5.0V supply.The MAX14508E—MAX14511E feature +5.5V fault protectionon COM1 and COM2, making these devicescompliant with the USB 2.0 fault-protection specification.The MAX14510E/MAX14511E feature a VBUS detectioninput (VB) to automatically switch to the USB signal pathupon detection of a valid VBUS signal. The MAX14508E/MAX14510E feature internal shunt resistors on the audio path to reduce clicks and pops heard at the output. The MAX14508E/MAX14509E/MAX14509AE have an enableinput (EN) to reduce supply current and set all channelsto high impedance when driven low.The MAX14508E—MAX14511E/MAX14509AE are availablein a space-saving, 10-pin, 1.4mm x 1.8mm UTQFNpackage, and operate over the -40°C to +85°C temperaturerange.ApplicationsCell PhonesMP3 PlayersNotebook ComputersPDAs

The MAX14515 high-voltage liquid lens driver features a high-voltage differential output controlled through an I²C interface. The MAX14515 uses a charge-pump-based boost converter and integrated H-bridge to provide a compact lens driver solution with minimal external components to achieve a small overall footprint suitable for small space constraints inside camera modules.The MAX14515 features an 8-bit monotonic DAC with a single differential high-voltage output controlled by a 2-wire I²C interface to set the amplitude. The high-voltage outputs are capable of delivering up to 42VRMS (min) into a 220pF liquid lens load at 1.0kHz (min).The MAX14515 also features two power-saving modes (shutdown mode and sleep mode) to minimize power consumption when the device is inactive. Shutdown mode places the device in a low-power state that resets all registers and disables the I²C interface to reduce current below 500nA (max). In sleep mode, the power-on reset circuit remains active. If no activity is detected on the I²C interface, current consumption is less than 3µA.The MAX14515 operates over the +2.7V to +5.5V supply voltage range, ideal for portable applications using lithium ion battery sources. The MAX14515 is specified over the -40°C to +85°C extended temperature range and is available in a small (1mm x 2mm) 8-bump WLP package.

The MAX14525 features a low RON 35mΩ (typ) load switch with four unique enable inputs. The MAX14525 is ideal for disconnecting the lithium-ion (Li+) battery from the loads in portable devices such as cell phones. The MAX14525 operates from a +2.2V to +5.5V supply voltage.The MAX14525 features an extremely low 0.8µA (typ) quiescent supply current to maximize battery life in portable devices. It is enabled from four possible inputs: external charger connection capable of high voltage up to +28V, travel adapter (TA), on key (ON_K), factory mode enable (JIG), and switch enable (S_EN). The S_EN input is internally ANDed with the switched battery connection (IN).The MAX14525 is available in a small 8-pin, 2mm x 2mm TDFN package and operates over the -40°C to +85°C extended temperature range.ApplicationsCell PhonesDigital CamerasGPSPDAsUMPC Computers

The MAX14527/MAX14528 overvoltage protection devices feature a low 100mΩ (typ) RON internal FET and protect low-voltage systems against voltage faults up to +28V. When the input voltage exceeds the overvoltage threshold, the internal FET is turned off to prevent damage to the protected components.The overvoltage protection threshold can be adjusted with optional external resistors to any voltage between 4V and 8V. With the OVLO input set below the external OVLO select voltage, the MAX14527/MAX14528 automatically choose the internal ±2.5% accurate trip thresholds. The internal overvoltage thresholds (OVLO) are preset to 5.75V typical (MAX14527) or 6.76V typical (MAX14528). The MAX14527/MAX14528 are also protected against overcurrent events with an internal thermal shutdown.The MAX14527/MAX14528 are offered in a small, 8-pin TDFN-EP package and operate over the -40°C to +85°C extended temperature range.ApplicationsCell PhonesMedia PlayersPDAs and Palmtop Devices

The MAX14527/MAX14528 overvoltage protection devices feature a low 100mΩ (typ) RON internal FET and protect low-voltage systems against voltage faults up to +28V. When the input voltage exceeds the overvoltage threshold, the internal FET is turned off to prevent damage to the protected components.The overvoltage protection threshold can be adjusted with optional external resistors to any voltage between 4V and 8V. With the OVLO input set below the external OVLO select voltage, the MAX14527/MAX14528 automatically choose the internal ±2.5% accurate trip thresholds. The internal overvoltage thresholds (OVLO) are preset to 5.75V typical (MAX14527) or 6.76V typical (MAX14528). The MAX14527/MAX14528 are also protected against overcurrent events with an internal thermal shutdown.The MAX14527/MAX14528 are offered in a small, 8-pin TDFN-EP package and operate over the -40°C to +85°C extended temperature range.ApplicationsCell PhonesMedia PlayersPDAs and Palmtop Devices

The MAX15018A/MAX15018B/MAX15019A/MAX15019B high-frequency, 125V half-bridge, n-channel MOSFET drivers drive high- and low-side MOSFETs in high-voltage applications. These drivers are independently controlled, and their 35ns (typ) propagation delay, from input to output, are matched to within 2ns (typ). The high-voltage operation with very low and matched propagation delay between drivers, and high source-/sink-current capabilities in a thermally enhanced package make these devices suitable for high-power, high-frequency telecom power converters. The 125V maximum input voltage provides plenty of margin over the 100V input transient requirement of telecom standards. A reliable on-chip bootstrap diode connected between VDD and BST eliminates the need for an external discrete diode.The MAX15018A/MAX15019A both offer noninverting drivers. The MAX15018B/MAX15019B offer a noninverting high-side driver and an inverting low-side driver (see the Selector Guide in the full data sheet). The MAX15018_ feature CMOS (VDD/2) logic inputs. The MAX15019_ feature TTL-logic inputs. The drivers are available in the industry standard 8-pin SO footprint and pin configuration with a thermally enhanced 8-pin SO package. All devices operate over the -40°C to +125°C automotive temperature range.ApplicationsHalf-Bridge, Full-Bridge, and Two-Switch Forward ConvertersMotor ControlPower-Supply ModulesSynchronous Buck DC-to-DC ConvertersTelecom Power Supplies

The MAX15026 synchronous step-down controller operates from a 4.5V to 28V input voltage range and generates an adjustable output voltage from 85% of the input voltage down to 0.6V while supporting loads up to 25A. The device allows monotonic startup into a prebiased bus without discharging the output and features adaptive internal digital soft-start.The MAX15026 offers the ability to adjust the switching frequency from 200kHz to 2MHz with an external resistor. The MAX15026's adaptive synchronous rectification eliminates the need for an external freewheeling Schottky diode. The device also utilizes the external low-side MOSFET's on-resistance as a current-sense element, eliminating the need for a current-sense resistor. This protects the DC-DC components from damage during output overloaded conditions or output short-circuit faults without requiring a current-sense resistor. Hiccup-mode current limit reduces power dissipation during short-circuit conditions. The MAX15026 includes a power-good output and an enable input with precise turn-on/turn-off threshold, which can be used for input supply monitoring and for power sequencing.Additional protection features include sink-mode current limit and thermal shutdown.Sink-mode current limit prevents reverse inductor current from reaching dangerous levels when the device is sinking current from the output.The MAX15026 is available in a space-saving and thermally enhanced 3mm x 3mm, 14-pin TDFN-EP package. The MAX15026 operates over the extended -40°C to +85°C and automotive -40°C to +125°C temperature ranges.The MAX15026C is designed to provide additional margin for break-before-make times.The MAX15026B/MAX15026C provide a soft-stop feature to ramp down the output voltage at turn-off. ApplicationsDSP Power SuppliesLCD TV Secondary SuppliesPoints-of-Load RegulatorsPower ModulesSet-Top BoxesSwitches/Routers

The MAX15026 synchronous step-down controller operates from a 4.5V to 28V input voltage range and generates an adjustable output voltage from 85% of the input voltage down to 0.6V while supporting loads up to 25A. The device allows monotonic startup into a prebiased bus without discharging the output and features adaptive internal digital soft-start.The MAX15026 offers the ability to adjust the switching frequency from 200kHz to 2MHz with an external resistor. The MAX15026's adaptive synchronous rectification eliminates the need for an external freewheeling Schottky diode. The device also utilizes the external low-side MOSFET's on-resistance as a current-sense element, eliminating the need for a current-sense resistor. This protects the DC-DC components from damage during output overloaded conditions or output short-circuit faults without requiring a current-sense resistor. Hiccup-mode current limit reduces power dissipation during short-circuit conditions. The MAX15026 includes a power-good output and an enable input with precise turn-on/turn-off threshold, which can be used for input supply monitoring and for power sequencing.Additional protection features include sink-mode current limit and thermal shutdown.Sink-mode current limit prevents reverse inductor current from reaching dangerous levels when the device is sinking current from the output.The MAX15026 is available in a space-saving and thermally enhanced 3mm x 3mm, 14-pin TDFN-EP package. The MAX15026 operates over the extended -40°C to +85°C and automotive -40°C to +125°C temperature ranges.The MAX15026C is designed to provide additional margin for break-before-make times.The MAX15026B/MAX15026C provide a soft-stop feature to ramp down the output voltage at turn-off. ApplicationsDSP Power SuppliesLCD TV Secondary SuppliesPoints-of-Load RegulatorsPower ModulesSet-Top BoxesSwitches/Routers

The MAX15032 constant-frequency, pulse-width-modulating (PWM), low-noise boost converter is intended for low-voltage systems that need a locally generated high voltage. This device is capable of generating low-noise, high output voltages, with an output power capability up to 600mW with a 2.9V input voltage. This device can be used for a wide variety of applications, such as PIN or varactor diode biasing and LCD displays. The MAX15032 operates from +2.7V to +11V.The constant-frequency (500kHz), current-mode PWM architecture provides low-noise output voltage that is easy to filter. A high-voltage internal lateral DMOS power switch allows this device to boost output voltages up to 36V. The MAX15032 features a shutdown mode to save power.The MAX15032 is available in a small thermally enhanced 3mm x 3mm 8-pin TDFN package and is specified for operation over the -40°C to +125°C automotive temperature range.ApplicationsAvalanche Photodiode BiasingLCD DisplaysLow-Noise Varactor Diode Bias SuppliesPIN Diode Bias SuppliesSTB Audio IC Supplies

The MAX15032 constant-frequency, pulse-width-modulating (PWM), low-noise boost converter is intended for low-voltage systems that need a locally generated high voltage. This device is capable of generating low-noise, high output voltages, with an output power capability up to 600mW with a 2.9V input voltage. This device can be used for a wide variety of applications, such as PIN or varactor diode biasing and LCD displays. The MAX15032 operates from +2.7V to +11V.The constant-frequency (500kHz), current-mode PWM architecture provides low-noise output voltage that is easy to filter. A high-voltage internal lateral DMOS power switch allows this device to boost output voltages up to 36V. The MAX15032 features a shutdown mode to save power.The MAX15032 is available in a small thermally enhanced 3mm x 3mm 8-pin TDFN package and is specified for operation over the -40°C to +125°C automotive temperature range.ApplicationsAvalanche Photodiode BiasingLCD DisplaysLow-Noise Varactor Diode Bias SuppliesPIN Diode Bias SuppliesSTB Audio IC Supplies

The MAX15034 two-phase, configurable single- or dual-output buck controller has an input voltage range of 4.75V to 5.5V or 5V to 28V. A mode select input allows for a dual-output supply or connecting two phases together for a single-output, high-current supply. Each output channel of the MAX15034 drives n-channel MOSFETs and is capable of providing more than 25A of load current. The MAX15034 uses average current-mode control with a switching frequency up to 1MHz per phase where each phase is 180° out of phase with respect to the other. Out-of-phase operation results in significantly reduced input capacitor ripple current and output voltage ripple in dual-phase, single-output voltage applications. Each controller has its own high-performance current and voltage-error amplifier that can be compensated for optimum output filter L-C values and transient response.The MAX15034 offers two enable inputs with accurate turn-on thresholds to allow for output voltage sequencing of the two outputs. The device's switching frequency can be programmed from 100kHz to 1MHz with an external resistor. The MAX15034 can be synchronized to an external clock. Each output voltage is adjustable from 0.61V to 5.5V. Additional features include thermal shutdown and hiccup-mode, short-circuit protection. Use the MAX15034 with adaptive voltage positioning for applications that require a fast transient response or accurate output voltage regulation.The MAX15034 is available in a thermally enhanced 28-pin TSSOP package capable of dissipating 2.1W. The device is rated for operation over the -40°C to +125°C automotive temperature range.ApplicationsGraphics CardsHigh-End Computers/Workstations/ServersNetworking SystemsPoint-of-Load High-Current/High-Density Telecom DC-DC RegulatorsRAID Systems

The MAX15034 two-phase, configurable single- or dual-output buck controller has an input voltage range of 4.75V to 5.5V or 5V to 28V. A mode select input allows for a dual-output supply or connecting two phases together for a single-output, high-current supply. Each output channel of the MAX15034 drives n-channel MOSFETs and is capable of providing more than 25A of load current. The MAX15034 uses average current-mode control with a switching frequency up to 1MHz per phase where each phase is 180° out of phase with respect to the other. Out-of-phase operation results in significantly reduced input capacitor ripple current and output voltage ripple in dual-phase, single-output voltage applications. Each controller has its own high-performance current and voltage-error amplifier that can be compensated for optimum output filter L-C values and transient response.The MAX15034 offers two enable inputs with accurate turn-on thresholds to allow for output voltage sequencing of the two outputs. The device's switching frequency can be programmed from 100kHz to 1MHz with an external resistor. The MAX15034 can be synchronized to an external clock. Each output voltage is adjustable from 0.61V to 5.5V. Additional features include thermal shutdown and hiccup-mode, short-circuit protection. Use the MAX15034 with adaptive voltage positioning for applications that require a fast transient response or accurate output voltage regulation.The MAX15034 is available in a thermally enhanced 28-pin TSSOP package capable of dissipating 2.1W. The device is rated for operation over the -40°C to +125°C automotive temperature range.ApplicationsGraphics CardsHigh-End Computers/Workstations/ServersNetworking SystemsPoint-of-Load High-Current/High-Density Telecom DC-DC RegulatorsRAID Systems

The MAX15039 high-efficiency switching regulator delivers up to 6A load current at output voltages from 0.6V to 90% of VIN. The IC operates from 2.9V to 5.5V, making it ideal for on-board point-of-load and postregulation applications. Total output error is less than ±1% over load, line, and temperature ranges.The MAX15039 features fixed-frequency PWM mode operation with a switching frequency range of 500kHz to 2MHz set by an external resistor. The MAX15039 provides the option of operating in a skip mode to improve light-load efficiency. High-frequency operation allows for an all-ceramic capacitor design. The high operating frequency also allows for small-size external components.The low-resistance on-chip nMOS switches ensure high efficiency at heavy loads while minimizing critical inductances, making the layout a much simpler task with respect to discrete solutions. Following a simple layout and footprint ensures first-pass success in new designs.The MAX15039 comes with a high bandwidth (28MHz) voltage-error amplifier. The voltage-mode control architecture and the voltage-error amplifier permit a type III compensation scheme to be utilized to achieve maximum loop bandwidth, up to 20% of the switching frequency. High loop bandwidth provides fast transient response, resulting in less required output capacitance and allowing for all-ceramic-capacitor designs.The MAX15039 provides two three-state logic inputs to select one of nine preset output voltages. The preset output voltages allow customers to achieve ±1% output-voltage accuracy without using expensive 0.1% resistors. In addition, the output voltage can be set to any customer value by either using two external resistors at the feedback with a 0.6V internal reference or applying an external reference voltage to the REFIN input. The MAX15039 offers programmable soft-start time using one capacitor to reduce input inrush current.ApplicationsASIC/CPU/DSP Core and I/O VoltagesBase-Station Power SuppliesDDR Power SuppliesPOLsRAID Control Power SuppliesServer Power SuppliesTelecom and Networking Power Supplies

The MAX16016/MAX16020/MAX16021 supervisory circuits monitor power supplies, provide battery-backup control, and chip-enable (CE) gating to write protect memory in microprocessor (µP)-based systems. These low-power devices improve system reliability by providing several supervisory functions in a small, single integrated solution.The MAX16016/MAX16020/MAX16021 perform four basic system functions:Provide a µP reset output during VCC supply power-up, power-down, and brownout conditions.Control VCC to battery-backup switching internally to maintain data or low-power operation for memories, real-time clocks (RTCs), and other digital logic when the main power is removed.Provide memory write protection through internal chip-enable gating during brownout.Provide a combination of additional supervisory functions listed in the Features section in the full data sheet.The MAX16016/MAX16020/MAX16021 operate from a 1.53V to 5.5V supply voltage and offer fixed reset thresholds for monitoring 5V, 3.3V, 3V, 2.5V, and 1.8V systems. Each device is available with either a push-pull or open-drain reset output.The MAX16016/MAX16020/MAX16021 are available in small TDFN/TQFN packages and are fully specified for an operating temperature range of -40°C to +85°C.ApplicationsGPS SystemsIndustrial ControlMain/Backup Power for RTCs, CMOS MemoriesPoint-of-Sale EquipmentPortable/Battery EquipmentSet-Top Boxes