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The ADM8611/ADM8612/ADM8613/ADM8614/ADM8615?are voltage supervisory circuits that monitor power supply voltage levels and code execution integrity in microprocessor-based systems. Apart from providing power-on reset signals, an on-chip watchdog timer can reset the microprocessor if it fails to strobe within a preset timeout period. A reset signal can also be asserted by an external push-button through a manual reset input.The ultralow power consumption of these devices makes them suitable for power efficiency sensitive systems, such as battery-powered portable devices and energy meters.The features of each member of the device family are shown in Table 9 in the data sheet. Each device subdivides into submodels with differences in factory preset voltage monitoring threshold options. In the range of 2 V to 4.63 V, 10 options are available for the ADM8611. In the range of 2.32 V to 4.63 V, five options are available for both the ADM8613 and ADM8614. A separate supply input allows the ADM8612 and ADM8615 to monitor 20 different low voltage levels from 0.5 V to 1.9 V. Not all device options are available as standard models.The ADM8611, ADM8612, ADM8613, and ADM8615 can reset on demand through the manual reset input. The watchdog function on the ADM8613, ADM8614, and ADM8615 monitors the heartbeat of the microprocessor through the WDI pin. The ADM8613 and ADM8614 have a watchdog disable input, which allows the user to disable the watchdog function, if required. The ADM8614 also has a watchdog timeout extension input, allowing the watchdog timeout to be extended from 1.6 sec to 100 sec.The ADM8611/ADM8612/ADM8613/ADM8614/ADM8615 are available in a 6-ball, 1.46 mm ? 0.96 mm WLCSP. These devices are specified over the temperature range of ?40?C to +85?C.??Applications Portable/battery-operated equipment Microprocessor systems Energy metering Energy harvesting

The LT3430/LT3430-1 are monolithic buck switching regulators that accept input voltages up to 60V. A high efficiency 3A, 0.1? switch is included on the die along with all the necessary oscillator, control and logic circuitry. A current mode architecture provides fast transient response and excellent loop stability.Special design techniques and a new high voltage process achieve high efficiency over a wide input range. Efficiency is maintained over a wide output current range by using the output to bias the circuitry and by utilizing a supply boost capacitor to saturate the power switch. Patented circuitry* maintains peak switch current over the full duty cycle range. A shutdown pin reduces supply current to 30?A and a SYNC pin can be externally synchronized with a logic level input from 228kHz to 700kHz for the LT3430 or from 125kHz to 250kHz for the LT3430-1.The LT3430/LT3430-1 are available in a thermally enhanced 16-pin TSSOP package.Applications Industrial and Automotive Power Supplies Portable Computers Battery Chargers Distributed Power Systems

DC1162A-B: Demo Board for LTC4223 Dual Supply Hot Swap Controller for Advanced Mezzanine Card

Demonstration Circuit DC688 is a quad output power supply intended for use in small to medium size TFT panels. The circuit features the LT1942 quad output switching regulator and generates an LED driver along with the triple output supply required for the TFT panels. With an input voltage range of 3V to 4.2V, two step-up regulators and one inverting regulator provide AVDD , VON and VOFF bias voltages for the LCD panels. Another high power boost is used to drive 12 LEDs (2 strings of 6 LEDs each). For 3V minimum input voltage, up to 20mA current is available for each LED string. A built-in LED ballast circuit is included to precisely match the LED currents in the two strings.

The ADCLK846 is a 1.2 GHz/250 MHz, LVDS/CMOS, fanout buffer optimized for low jitter and low power operation. Possible configurations range from 6 LVDS to 12 CMOS outputs, including combinations of LVDS and CMOS outputs. Two control lines are used to determine whether fixed blocks of outputs are LVDS or CMOS outputs.The clock input accepts various types of single-ended and differential logic levels including LVPECL, LVDS, HSTL, CML, and CMOS.Table 8 provides interface options for each type of connection. The SLEEP pin enables a sleep mode to power down the device.This device is available in a 24-pin LFCSP package. It is specified for operation over the standard industrial temperature range of ?40?C to +85?C.APPLICATIONS Low jitter clock distribution Clock and data signal restoration Level translation Wireless communications Wired communications Medical and industrial imaging ATE and high performance instrumentation

The HMC773ALC3B is a general-purpose, double balanced mixer ina leadless, RoHS compliant LCC package that can be used as anupconverter or downconverter from 6 GHz to 26 GHz. Thismixer requires no external components or matching circuitry. The HMC773ALC3B provides excellent LO to RF and LO to IFsuppression due to optimized balun structures. The mixeroperates well with LO drive levels of 13 dBm or above. TheHMC773ALC3B eliminates the need for wire bonding, allowing useof surface-mount manufacturing techniques.Applications Point to point radios Point to multipoint radios and very small aperture terminals (VSATs) Test equipment and sensors Military end use

Demonstration circuit 2786A is a single output high voltage non-isolated synchronous step-down converter that drives an all N-channel MOSFET power stage. It features the LTC7800, a low quiescent current high frequency (programmable fixed frequency from 320kHz up to 2.25MHz) synchronous step-down DC/DC controller housed in a small 3mm x 4mm QFN package. This DC2786A operates over an input voltage range from 8V to 40V, while the LTC7800 can operate up to 60V. This demo board produces a 3.3V output voltage with up to 10A output current, and is configured with a sense resistor for current sensing. A mode selector allows the DC2786A to operate in forced continuous operation, pulse-skipping or Burst Mode® operation during light loads. The LTC7800 features two integrated 5V gate drivers with 20ns deadtime which is good for GaN transistors or logic-level MOSFETs to maximize efficiency. The EXTVCC pin permits the LTC7800 to be powered from the output of the switching regulator or other available source, reducing power dissipation and improving efficiency. Please refer to the LTC7800 data sheet for a complete description of the part operation and application information.

The ADF4002 frequency synthesizer is used to implement local oscillators in the up-conversion and down-conversion sections of wireless receivers and transmitters. It consists of a low-noise digital phase frequency detector (PFD), a precision charge pump, a programmable reference divider and programmable N divider. The 14-bit reference counter (R counter), allows selectable REFIN frequencies at the PFD input.A complete phase-locked loop (PLL) can be implemented if the synthesizer is used with an external loop filter and voltage controlled oscillator (VCO). In addition, by programming R and N to 1, the device can be used as a standalone PFD and charge pump.The ADF4002-EP supports defense and aerospace applications (AQEC standard).

The LTC3119 is a high efficiency 18V monolithic buck-boost converter that can deliver up to 5A of continuous output current. Extensive feature integration and very low resistance internal power switches minimize the total solution footprint for even the most demanding applications. A proprietary 4-switch PWM architecture provides seamless low noise operation from input voltages above, equal to, or below the output voltage.External frequency programming as well as synchronization using an internal PLL enable operation over a wide switching frequency range of 400kHz to 2MHz. The wide 2.5V to 18V input range is well suited for operation from unregulated power sources including battery stacks and backup capacitors. After start-up, operation is possible with input voltages as low as 250mV.Other features include: output short-circuit protection, thermal overload protection, less than 3?A shutdown current, power good indicator, Burst Mode operation, and maximum power point control.The LTC3119 is offered in thermally enhanced 28-lead 4mm ? 5mm QFN and TSSOP packages.Applications Wide Input Range Power Supplies 1- to 4-Cell Lithium Battery Powered Products RF Power Supplies Solar Battery Chargers System Backup Power Supplies Lead Acid to 12V Regulator

Demonstration circuit 2672A-A is a complete non-isolated 48V input, dual-output, high efficiency, high density µModule regulator with 30V to 58V input range. Each output can supply 25A maximum load current. The demo board has a LTM4664 µModule regulator, which is a dual 25A or single 50A step-down regulator with digital power system management. Please see the LTM4664 datasheet for more detailed information. DC2672A-A powers up to default settings and produces power based on configuration resistors without the need for any serial bus communication. This allows easy evaluation of the DC/DC converter. To fully explore the extensive power system management features of the part, download the GUI software LTpowerPlay™ onto your PC and use ADI’s I2C/SMBus/PMBus dongle DC1613A to connect to the board. LTpowerPlay allows the user to reconfigure the part on the fly and store the configuration in EEPROM, view telemetry of voltage, current, temperature and fault status.

The LTC2664 is a family of four-channel, 16-/12-bit ?10V digital-to-analog converters with integrated precision references. They are guaranteed monotonic and have built-in rail-to-rail output buffers. These SoftSpan? DACs offer five output ranges up to ?10V. The range of each channel is independently programmable, or the part can be hardware-configured for operation in a fixed range.The integrated 2.5V reference is buffered separately to each channel; an external reference can be used for additional range options. The LTC2664 also includes A/B toggle capability via a dedicated pin or software toggle command.The SPI/Microwire-compatible 3-wire serial interface operates on logic levels as low as 1.71V at clock rates up to 50MHz.Applications Optical Networking Instrumentation Data Acquisition Automatic Test Equipment Process Control and Industrial Automation

DC1186A: Demo Board for the LTC2308 Low Noise, 500ksps, 8-Channel, 12-Bit ADC

The HMC891ALP5E is a monolithic microwave integrated circuit (MMIC) band-pass filter that features a user-selectablepass band frequency. The 3 dB filter bandwidth is approximately 9% and the 20 dB filter bandwidth is approximately 23%. Thecenter frequency (fCENTER) can be varied between 1.95 GHz and 3.4 GHz by applying an analog tune voltage between 0 V and 14 V.This tunable filter can be used as a smaller alternative to physically large switched filter banks and cavity tuned filters.The HMC891ALP5E has excellent microphonics due to the monolithic design, and provides a dynamically adjustablesolution in advanced communications applications.ApplicationsTesting and measurement equipmentMilitary radar and electronic warfare/electronic counter measure (ECM)Satellite communication and spaceIndustrial and medical equipment

Demonstration circuit 1320 is a high power density step-down DC/DC converter featuring the LTC3608EWKG (DC1320A-A) or the LTC3609EWKG (DC1320A-B) high current, high input voltage monolithic DC/DC step-down converter. The input voltage of the DC1320A-B is from 5V to 28V and it provides a jumper-selectable output voltage of 1.5V, 1.8V, 2.5V, or 3.3V @ 6A.

DC1264A: Demo Board for the LTC6410-6 Low Distortion, Low Noise Differential IF Amplifier with Configurable Input Impedance

The ADL5960 is a wideband vector network analyzer front-end consisting of a resistive bidirectional bridge, down-conversion mixers, programmable IF amplifiers and filters, and a highly flexible local oscillator (LO) interface. The bridge provides >10 dB of directivity up to 17 GHz, and the primary transmission line of the bridge, from RFIN to RFOUT, is wideband impedance matched to 50 ? and has a flat frequency response with The ADL5960 supports several different LO interface configurations that simplify the clocking design of a VNA solution as well as the interfacing of the device to an analog-to-digital converter (ADC). The frequency divider and multipliers in the LO interface enable measurement sweeps beyond the operating frequency range of the source driving the (LOP and LOM) pins. This enables operation over the full 20 GHz bandwidth of the ADL5960 using a 6 GHz synthesizer as the LO source. The IF frequency offset mixer, driven through the (OFP and OFM) interface, enables further simplification by allowing the (swept) RF and LO signals to be driven by the same frequency source. The frequency of the IF output signals is then determined by the low-frequency source driving the (OFP and OFM) interface. Driving this interface at the ADC sample frequency with the divide by 4 enabled, automatically centers the IF output signal in the first Nyquist zone.The IF filters with programmable bandwidth and IF amplifiers with individually programmable gain enable simultaneous dynamic range optimization of the IF signals at the incident channel (IFFP and IFFM) and reverse channel (IFRP and IFRM) IF interfaces. The IF amplifiers have an adjustable output common-mode level and sufficient drive capability to interface directly with a wide range of ADCs.All configurations and functions in the ADL5960 are fully programmable through a 3-wire serial peripheral interface (SPI) using the ADI-SPI interface standard. The ADL5960 is offered in a small footprint 26-lead, 3 mm ? 4 mm LFCSP.APPLICATIONSBroadband, multi-port vector network analyzersS-parameter magnitude and phase measurementIn-line RF power measurementAutomated test equipmentReflectometersMaterials analysis

Demonstration circuit 2321A is a low power wireless sensor node development platform equipped with an E-ink display for user feedback. The system is capable of monitoring and managing its available energy, logging information from sensors and sharing this data over a wireless network. The board is designed to connect to the DC2344A or DC2509A energy harvesting demonstration boards which output a regulated power supply as well as status information from energy harvesting ICs and their backup batteries. Two coulomb counters on the DC2321A allow the processor to monitor the energy output of these batteries which will vary depending on the amount of energy which can be harvested from the system’s surroundings. A DC2274A-A SmartMesh Manager must be used in order to evaluate the networking features of the DC2321A.

The LTC2387-16 is a low noise, high speed, 16-bit 15Msps successive approximation register (SAR) ADC ideally suited for a wide range of applications. The combination of excellent linearity and wide dynamic range makes the LTC2387-16 ideal for high speed imaging and instrumentation applications. No-latency operation provides a unique solution for high speed control loop applications. The very low distortion at high input frequencies enables communications applications requiring wide dynamic range and significant signal bandwidth.To support high speed operation while minimizing the number of data lines, the LTC2387-16 features a serial LVDS digital interface. The LVDS interface has one-lane and two-lane output modes, allowing the user to optimize the interface data rate for each application.Applications High Speed Data Acquisition Imaging Communications Control Loops Instrumentation ATE

The?ADP160?/ ADP161 /?ADP162?/?ADP163?are ultralow quiescentcurrent, low dropout, linear regulators that operate from 2.2 Vto 5.5 V and provide up to 150 mA of output current. The low195 mV dropout voltage at 150 mA load improves efficiency andallows operation over a wide input voltage range.The ADP16x are specifically designed for stable operation withtiny 1 ?F ? 30% ceramic input and output capacitors to meetthe requirements of high performance, space-constrainedapplications.The ADP160 is available in 15 fixed output voltage options,ranging from 1.2 V to 4.2 V. The ADP160 / ADP161 also includea switched resistor to discharge the output automatically when the LDO is disabled. The ADP162 is identical to the ADP160but does not include the output discharge function.The ADP161 and ADP163 are available as a adjustable outputvoltage regulators. They are only available in a 5-lead TSOTpackage. The ADP163 is identical to the ADP161 but does notinclude the output discharge function.Short-circuit and thermal overload protection circuits preventdamage in adverse conditions. The ADP160 and ADP162 areavailable in a tiny 5-lead TSOT and a 4-ball, 0.5 mm pitchWLCSP package for the smallest footprint solution to meet avariety of portable power applications.APPLICATIONS Mobile phones Digital cameras and audio devices Portable and battery-powered equipment Post dc-to-dc regulation Portable medical devices

The LTC3727A-1 is a high performance dual step-down switching regulator controller that drives all N-channel synchronous power MOSFET stages. A constant frequency current mode architecture allows phase-lockable frequency of up to 550kHz. Power loss and noise due to the ESR of the input capacitors are minimized by operating the two controller output stages out of phase.The LTC3727A-1 is an improved version of the LTC3727 family of parts. It has smaller output ripple while in the drop-out condition and shorter minimum on-time.OPTI-LOOP compensation allows the transient response to be optimized over a wide range of output capacitance and ESR values. There is a precision 0.8V reference and a power good output indicator. A wide 4V to 30V (36V maximum) input supply range encompasses all battery chemistries.A RUN/SS pin for each controller provides soft-start. Current foldback limits MOSFET heat dissipation during short-circuit conditions. Output overvoltage protection circuitry protects the controller until VOUT returns to normal. VIN Range VREF Accuracy Over Temp Latch-Off Min On-Time LTC3727 4V - 36V ?1% No 180ns LTC3727-1 4V - 36V ?1% Yes 180ns LTC3727A-1 4V - 36V ?1% No 120ns LTC3727LX-1 4V - 32V ?1.5% No 120ns Applications Telecom Systems Automotive Systems Battery-Operated Digital Devices