The LTC2157-12/LTC2156-12/LTC2155-12 are a family of dual 250Msps/210Msps/170Msps 12-bit A/D converters designed for digitizing high frequency, wide dynamic range signals. They are perfect for demanding communications applications with AC performance that includes 68.5dB SNR and 90dB spurious free dynamic range (SFDR). The 1.25GHz input bandwidth allows the ADC to achieve high undersampling ratio with very low attenuation. The latency is only five clock cycles.DC specs include ?0.26LSB INL (typ), ?0.16LSB DNL (typ) and no missing codes over temperature. The transition noise is 0.54LSBRMS.The digital outputs are double data rate (DDR) LVDS.The ENC+ and ENC? inputs can be driven differentially with a sine wave, PECL, LVDS, TTL, or CMOS inputs. An optional clock duty cycle stabilizer allows high performance at full speed for a wide range of clock duty cycles. Bits LTC2156-12 12 LTC2156-14 14 Applications Communications Cellular Basestations Software Defined Radios Medical Imaging High Definition Video Testing and Measurement Instruments

The LTC2158-14 is a 2-channel simultaneous sampling 310Msps 14-bit A/D converter designed for digitizing high frequency, wide dynamic range signals. It is perfect for demanding communications applications with AC performance that includes 68.8dB SNR and 88dB spurious free dynamic range (SFDR). The 1.25GHz input bandwidth allows the ADC to undersample high frequencies with good performance. The latency is only five clock cycles.DC specs include ?1.2LSB INL (typ), ?0.35LSB DNL (typ) and no missing codes over temperature. The transition noise is 2.11LSBRMS.The digital outputs are double data rate (DDR) LVDS.The ENC+ and ENC? inputs can be driven differentially with a sine wave, PECL, LVDS, TTL, or CMOS inputs. An optional clock ? Bits LTC2158-12 12 LTC2158-14 14 Applications Communications Cellular Basestations Software Defined Radios Medical Imaging High Definition Video Testing and Measurement Instruments

The LT3663 is a current mode step-down switching regulator with programmable output current limit. The current limit accurately controls the system power dissipation and reduces the size of the power path components. The wide operating input voltage range of 7.5V to 36V (60V transient) suits the LT3663 to a variety of input sources, including unregulated 12V wall adapters, 24V industrial supplies, and automotive power. The LT3663 includes a low current shutdown mode, input overvoltage and undervoltage lockout, and thermal shutdown. Internal compensation and boost diode minimize the number of external exponents. 3.3V and 5V fixed output voltage versions are available. The LT3663 is available in 8-lead DFN and MSOP packages with exposed pads for low thermal resistance.Applications Distributed Supply Regulation Automotive Battery Regulation Industrial Supplies Wall Transformer Regulation

DC1571A-A: Demo Board for the LTC2383-16 16-Bit, 1Msps, Low Power SAR ADC with Serial Interface.

Demonstration circuit 1590B is a dual output synchronous buck converter featuring the LTC3880EUJ, a dual output peak current mode controller with digital power system management. There are two versions of the board available: DC1590B-A senses the output current across a sense resistor and has a default switching frequency of 350kHz, and DC1590B-B senses output current with the inductor DCR and has a default switching frequency of 425kHz. Either version can be populated with the LTC3880EUJ-1 (which allows the user to provide bias power to the IC from an external power supply) instead of the LTC3880EUJ. These boards provide two programmable outputs of 20A each. The factory default settings are 1.8V for each output.

DC1593A-B: Demo Board for the LTC2635-12 Quad 12-Bit I2C VOUT DACs with 10ppm/°C Reference.

The LTC3607 is a 15V dual 600mA monolithic synchronous step-down regulator which has only 55?A quiescent current. Intended for a variety of applications, including dual lithium-ion battery products, it operates from a wide 4.5V to 15V input voltage range. It features a constant 2.25MHz switching frequency, enabling the use of tiny, low cost capacitors and inductors 1mm or less in height. Each output voltage is adjustable from 0.6V to VIN. The internal synchronous power switches provide high efficiency without the need for external Schottky diodes.A user selectable mode input is provided to allow the user to trade off ripple noise for light load efficiency; Burst Mode operation provides the highest efficiency at light loads, while pulse-skipping mode provides the lowest ripple noise.To further the maximize battery run time, the P-channel MOSFETs are turned on continuously in dropout (100% duty cycle). In shutdown, the device draws <1?A.Applications Dual Lithium-Ion Battery Supplies Automotive Applications Servers

The ADA4922-1 is a differential driver for 16-bit to 18-bitanalog-to-digital converters (ADCs) that have differential inputranges up to ?20 V. Configured as an easy-to-use, single-ended-to-differentialamplifier, the ADA4922-1 requires no externalcomponents to drive ADCs. The ADA4922-1 provides essentialbenefits such as low distortion and high SNR that are requiredfor driving ADCs with resolutions up to 18 bits.With a wide supply voltage range (5 V to 26 V), high inputimpedance, and fixed differential gain of 2, the ADA4922-1 isdesigned to drive ADCs found to in a variety of applications,including industrial instrumentation. The ADA4922-1 is manufactured on Analog Devices, Inc.,proprietary, second-generation XFCB process that enables theamplifier to achieve excellent noise and distortion performanceon high supply voltages.The ADA4922-1 is available in an 8-lead 3 mm ? 3 mm LFCSPas well as an 8-lead SOIC package. Both packages are equippedwith an exposed paddle for more efficient heat transfer. TheADA4922-1 is rated to work over the extended industrialtemperature range, ?40?C to +85?C. Applications High voltage data acquisition systems Industrial instrumentation Spectrum analysis ATE Medical instruments

The ADA4945-1 is a low noise, low distortion, fully differential amplifier with two selectable power modes. The device operates over a broad power supply range of 3 V to 10 V. The low dc offset, dc offset drift, and excellent dynamic performance of the ADA4945-1 makes it well suited for a variety of data acquisition and signal processing applications. The device is an ideal choice for driving high resolution, high performance successive approximation register (SAR) and ?-? analog-to-digital converters (ADCs) on 4 mA of quiescent current (full power mode). The device can also be selected to operate on 1.4 mA of quiescent current (low power mode) to scale the power consumption to the desired performance necessary for an ADC drive application. The adjustable common-mode voltage allows the ADA4945-1 to match the input common-mode voltage of multiple ADCs. The internal common-mode feedback loop provides exceptional output balance, as well as suppression of even order harmonic distortion products.With the ADA4945-1, differential gain configurations are achieved with a simple external feedback network of four resistors determining the closed-loop gain of the amplifier. The ADA4945-1 is fabricated using Analog Devices, Inc., proprietary, silicon germanium (SiGe), complementary bipolar process, enabling the device to achieve low levels of distortion with an input voltage noise of only 1.8 nV/?Hz (full power mode).The ADA4945-1 is available in a RoHS-complaint, 3 mm ? 3 mm, 16-lead LFCSP. The ADA4945-1 is specified to operate from ?40?C to +125?C.Applications Low power ?-?, PulSAR?, and SAR ADC drivers Single-ended to differential converters Differential buffers Medical imaging Process control Portable electronics

The ADAR4002 is a very low power broadband bi-directional single channel true time delay unit (TDU) and a digital step attenuator (DSA). The IC has 18.5 GHz of bandwidth over a frequency range of 0.5 GHz to 19 GHz with 50 ? input impedance at both RF ports. The TDU has two programmable maximum time delays, each with 7-bit control: Range 0 has a maximum delay of 508ps with a resolution of 4ps. This range is used at lower frequencies and where the ADAR4002 has less loss. Range 1 has a maximum delay of 254ps and a resolution of 2ps. This range has less loss compared to Range 0 and is useful at higher frequencies. The DSA has 6-bit resolution with an attenuation range of 0 dB to 31.5 dB and a step size of 0.5 dB. The ADAR4002 is designed to provide flexible digital control through either a SPI interface or a shift register to allow daisy chaining multiple chips together. The ADAR4002 contains register memory for 32 TDU+DSA states. The memory combined with on-chip sequencers, allows a fast memory advance via the UPDATE pin.The ADAR4002 is available in a 2 mm ? 3 mm 14-lead LFCSP package and is specified from -40?C to 85?C.APPLICATIONSElectronic steerable antenna arraysMulti-Function ArraysSATCOMRADARData LinksTest Equipment