TThe AD7172-2 is an intelligent, low noise, low power, multiplexed,Σ-Δ analog-to-digital converter (ADC) with 2- or 4-channel(fully differential/single-ended) inputs for low bandwidthsignals. The AD7172-2 has a maximum channel scan rate of6.21 kSPS (161 µs) for fully settled data. The output data ratesrange from 1.25 SPS to 31.25 kSPS.The AD7172-2 integrates key analog and digital signal conditioningblocks to allow users to configure an individual setup for eachanalog input channel in use via the SPI. Integrated true rail-to-railbuffers on the analog inputs and external reference inputs provideeasy to drive high impedance inputs. The precision 2.5 V low drift(2 ppm/°C) band gap internal reference (with an output referencebuffer) adds embedded functionality to reduce the externalcomponent count.The digital filter allows simultaneous 50 Hz and 60 Hz rejectionat a 27.27 SPS output data rate. The user can switch betweendifferent filter options according to the demands of each channel inthe application, with further digital processing functions such asoffset and gain calibration registers, which are also configurable ona per channel basis. General-purpose inputs/outputs (GPIOs)control external multiplexers synchronous to the ADC conversiontiming.The specified operating temperature range is −40°C to +105°C.The AD7172-2 is in a 24-lead TSSOP package.Applications Process control: PLC/DCS modules - Temperature and pressure measurement Medical and scientific multichannel instrumentation Chromatography

The AD8285 is designed for low cost, low power, compact size, flexibility, and ease of use. It contains four channels of a low noise preamplifier (LNA) with a programmable gain amplifier (PGA) and an antialiasing filter (AAF) plus one direct-to-ADC channel, all integrated with a single 12-bit analog-to-digital converter (ADC).Each channel features a gain range of 16 dB to 34 dB in 6 dB increments and an ADC with a conversion rate of up to 72 MSPS. The combined input referred noise voltage of the entire channel is 3.5 nV/√Hz at maximum gain. The channel is optimized for dynamic performance and low power in applications where a small package size is critical.Fabricated in an advanced complementary metal oxide semiconductor (CMOS) process, the AD8285 is available in a 10 mm × 10 mm, RoHS compliant, 72-lead LFCSP that is specified over the automotive temperature range of −40°C to +105°C.APPLICATIONS Automotive radar Adaptive cruise control Collision avoidance Blind spot detection Self parking Electronic bumper

The ADuM250N/ADuM251N/ADuM252N are 5-channel digital isolators based on Analog Devices, Inc., iCoupler® technology. Combining high speed, complementary metal-oxide semiconductor (CMOS) and monolithic air core transformer technology, these isolation components provide outstanding performance characteristics superior to alternatives such as optocoupler devices and other integrated couplers. The maximum propagation delay is 13 ns with a pulse width distortion of less than 4.5 ns at 5 V operation. Channel to channel matching of propagation delay is tight at 4.0 ns maximum.The ADuM250N/ADuM251N/ADuM252N data channels are independent and are available in a variety of configurations with a withstand voltage rating of 5.0 kV rms (see the Ordering Guide). The devices operate with the supply voltage on either side ranging from 1.7 V to 5.5 V, providing compatibility with lower voltage systems as well as enabling voltage translation functionality across the isolation barrier.Unlike other optocoupler alternatives, dc correctness is ensured in the absence of input logic transitions. Two different fail-safe options are available by which the outputs transition to a predetermined state when the input power supply is not applied.Applications General-purpose multichannel isolation Serial peripheral interface (SPI)/data converter isolation Industrial field bus isolation

The HMC1018ALP4E is a broadband 5-bit GaAs IC digital attenuator in a low cost leadless surface mount package. Covering 0.1 to 30.0 GHz, the insertion loss is less than 5.5 dB typical. The attenuator bit values are 1.0 (LS B), 2, 4, 8, 16 for a total attenuation of 31 dB. Attenuation accuracy is excellent at ±0.4 dB typical step error with an IIP3 of +43 dBm. The control interface is CMOS/TTL compatible and accepts a three wire serial input. The HMC1018ALP4E features a user selectable power up state and a serial output port for cascading other Analog Devices serial controlled components.APPLICATIONS Fiber Optics & Broadband Telecom Microwave Radio & VSAT Military Radios, Radar & ECM Space Applications Sensors Test & Measurement Equipment

The HMC208AMS8(E) is a ultra miniature double-balanced mixer in 8 an lead plastic surface mount package (MSOP). This passive MMIC mixer is constructed of GaAs Schottky diodes and novel planar transformer baluns on the chip. The device can be used as an upconverter, downconverter, biphase (de)modulator, or phase comparator. The consistent MMIC performance will improve system operation and assure regulatory compliance.Applications Base Stations  PCMCIA Transceivers  Cable Modems  Portable Wireless

The HMC252QS24(E) is a low-cost non-reflective SP6T switch in 24-lead QSOP package featuring wideband operation from DC to 3 GHz. The switch offers a single positive bias and true TTL/CMOS compatibility. A 3:6 decoder is integrated on the switch requiring only 3 control lines and a positive bias to select each path. The HMC252QS24(E) SP6T replaces multiple configurations of SP4T and SPDT MMIC switches and logic drivers.Applications Base Station  CATV / DBS  MMDS & WirelessLAN  Test Equipment

The HMC252QS24(E) is a low-cost non-reflective SP6T switch in 24-lead QSOP package featuring wideband operation from DC to 3 GHz. The switch offers a single positive bias and true TTL/CMOS compatibility. A 3:6 decoder is integrated on the switch requiring only 3 control lines and a positive bias to select each path. The HMC252QS24(E) SP6T replaces multiple configurations of SP4T and SPDT MMIC switches and logic drivers.Applications Base Station  CATV / DBS  MMDS & WirelessLAN  Test Equipment

The HMC365S8G & HMC365S8GE are low noise Divide-by-4 Static Dividers with InGaP GaAs HBT technology in 8 lead surface mount plastic packages. This device operates from DC (with a square wave input) to 13 GHz input frequency with a single +5V DC supply. The low additive SSB phase noise of –151 dBc/Hz at 100 kHz offset helps the user maintain good system noise performance.Applications Satellite Communication Systems Fiber Optic Point-to-Point and Point-to-Multi-Point Radios VSAT

The HMC374(E) is a general purpose broad band Low Noise Amplifier (LNA) for use in the 0.3 - 3.0 GHz frequency range. The LNA provides 15 dB of gain and a 1.5 dB noise figure from a single positive supply of +2.75 to +5.5V. The low noise figure coupled with a high P1dB (22 dBm) and high OIP3 (37 dBm) make this part ideal for cellular applications. The compact LNA design utilizes on-chip matching for repeatable gain and noise figure performance. To minimize board area the design is offered in a low cost SOT26 package that occupies only 0.118” x 0.118”.Applications Cellular/PCS/3G  WCS, MMDS & ISM  Fixed Wireless & WLAN  Private Land Mobile Radio

The HMC374SC70E is a general purpose broadband Low Noise Amplifier (LNA) for use in the 0.3 - 3 GHz frequency range. The LNA provides 15 dB of gain and a 1.6 dB noise figure from a single positive supply of +3.0 to +3.6V. The low noise figure coupled with a high P1dB (17 dBm) and high OIP3 (35 dBm) make this part ideal for cellular applications. The compact LNA is designed for repeatable gain and noise figure performance. To minimize board area the design is offered in a low cost SC70E package that occupies only 0.089” x 0.053”.Applications Cellular/PCS/3G WCS, MMDS & ISM Fixed Wireless & WLAN Private Land Mobile Radio

The HMC392A is a GaAs MMIC Low Noise Amplifierdie which operates between 3.5 and 7.0 GHz. Theamplifier provides 17.2 dB of gain, 1.7 dB noisefigure, and 32.5 dBm IP3 from a +5V supply voltage.The HMC392A has six bonding adjustment optionswhich allow the user to select the bias point andoutput power of the device (+10 to +19.7 dBm). TheHMC392A amplifier can easily be integrated intoMulti-Chip-Modules (MCMs) due to its small (1.3 mm2)size. All data is with the chip in a 50 Ohm test fixtureconnected via 0.025mm (1 mil) diameter wire bonds ofminimal length 0.31mm (12 mils).Applications• Point-to-Point Radios• VSAT• LO Driver for HMC Mixers• Military EW, ECM, C3I• Space

The HMC470LP3(E) is a broadband 5-bit GaAs IC digital attenuator in low cost lead-less surface mount package. This single positive control line per bit digital attenuator incorporates off chip AC ground capacitors for near DC operation, making it suitable for a wide variety of RF and IF applications. Covering DC to 3 GHz, the insertion loss is less than 1.5 dB typical.The attenuator bit values are 1 (LSB), 2, 4, 8, and 16 dB for a total attenuation of 31 dB. Attenuation accuracy is excellent at ±0.3 dB typical step error with an IIP3 of +45 dBm. Five TTL/CMOS control inputs are used to select each attenuation state. A single Vdd bias of +5V is required.Applications Cellular; UMTS/3G Infrastructure  ISM, MMDS, WLAN, WiMAX  Microwave Radio & VSAT  Test Equipment and Sensors

The HMC470LP3(E) is a broadband 5-bit GaAs IC digital attenuator in low cost lead-less surface mount package. This single positive control line per bit digital attenuator incorporates off chip AC ground capacitors for near DC operation, making it suitable for a wide variety of RF and IF applications. Covering DC to 3 GHz, the insertion loss is less than 1.5 dB typical.The attenuator bit values are 1 (LSB), 2, 4, 8, and 16 dB for a total attenuation of 31 dB. Attenuation accuracy is excellent at ±0.3 dB typical step error with an IIP3 of +45 dBm. Five TTL/CMOS control inputs are used to select each attenuation state. A single Vdd bias of +5V is required.Applications Cellular; UMTS/3G Infrastructure  ISM, MMDS, WLAN, WiMAX  Microwave Radio & VSAT  Test Equipment and Sensors

The HMC578LC3B is a x2 active broadband frequency multiplier utilizing GaAs PHEMT technology in a leadless RoHS compliant SMT package. When driven by a +3 dBm signal, the multiplier provides +15 dBm typical output power from 24 to 33 GHz. The Fo and 3Fo isolations are >20 dBc and >30 dBc respectively at 28 GHz.The HMC578LC3B is ideal for use in LO multiplier chains for Pt to Pt & VSAT Radios yielding reduced parts count vs. traditional approaches. The low additive SSB Phase Noise of -129 dBc/Hz at 100 kHz offset helps maintain good system noise performance. The RoHS packaged HMC578LC3B eliminates the need for wire bonding, and allows the use of surface mount manufacturing techniques.APPLICATIONS Clock Generation Applications: SONET OC-192 & SDH STM-64 Point-to-Point & VSAT Radios Test Instrumentation Military & Space

The HMC759LP3E is a 7-bit BiCMOS Digital Attenuator in a low cost leadless SMT package. This versatile digital attenuator incorporates off-chip AC ground capacitors for near DC operation, making it suitable for a wide variety of RF and IF applications. The control interface is CMOS/TTL compatible and accepts a three wire serial input. The HMC759LP3E features user selectable power up states and a serial output port for cascading other Hittite serial controlled components. The HMC759LP3E is housed in a RoHS compliant 3×3 mm QFN leadless package, and occupies only 9 mm2.APPLICATIONS Cellular/3G Infrastructure WiBro/WiMAX/4G Microwave Radio & VSAT Test Equipment and Sensors IF & RF Applications

The HMC813LC4B is a Successive Detection Log Video Amplifier (SDLVA) with a limited RF output which operates from 1 to 20 GHz. The HMC813LC4B provides a logging range of 55 dB. This device offers typical fast rise/fall times of 5/10 ns. The HMC813LC4B log video output slope is typically 15 mV/dB. Maximum recovery times are less than 15 ns. Ideal for high speed channelized receiver applications, the HMC813LC4B operates from a single +3.3 V supply, and consumes only 153 mA. The HMC813LC4B is available in a highly compact 4×4 mm SMT ceramic package and is ideal for high speed channelized receiver applications.APPLICATIONS EW, ELINT & IFM Receivers DF Radar Systems ECM Systems Broadband Test & Measurement Power Measurement & Control Circuits Military & Space Applications

The HMC814 is a x2 active broadband frequency multiplier chip utilizing GaAs PHEMT technology. When driven by a +4 dBm signal, the multiplier provides +17 dBm typical output power from 13 to 24.6 GHz. The Fo, 3Fo and 4Fo isolations are >20 dBc at 19 GHz. The HMC814 is ideal for use in LO multiplier chains for Pt-to-Pt & VSAT Radios yielding reduced parts count vs. traditional approaches. The low additive SSB Phase Noise of -136 dBc/Hz at 100 kHz offset helps maintain good system noise performance. All data is taken with the chip connected via two 0.025mm (1 mil) wire bonds of minimal length 0.31 mm (12 mils).APPLICATIONS Clock Generation Applications: SONET OC-192 & SDH STM-64 Point-to-Point & VSAT Radios Test Instrumentation Military End-Use Sensors

The HMC976LP3E is a BiCMOS ultra low noise linear voltage regulator. The high Power Supply Rejection Ratio (PSRR) in the 0.1 MHz to 10 MHz range provides excellent rejection of any preceding switching regulator or other power supply noise. The voltage output is ideal for frequency generation subsystems including Hittite’s broad line of PLLs with integrated VCOs. The output voltage can be adjusted lower than the default value by using one external resistor.The output can be set to 5V by grounding the HV pin. The regulator can be powered down by the TTL-compatible Enable input. The HMC976LP3E is housed in a 3x3mm QFN SMT package.Applications Test Instrumentation Military Radios, Radar and ECM Basestation Infrastructure Ultra Low Noise Frequency Generation Fractional-N Synthesizer Supply Mixed-Signal Circuit Supply

The HMC241 is a general-purpose nonreflective SP4T switch in a low cost leadless surface-mount package and a 16-lead QSOP package. Covering DC to 4 GHz, this switch offers high isolation and has a low insertion loss of 0.5 dB to 0.7 dB at 2 GHz. The switch offers a single positive bias and true TTL/CMOS compatibility. A 2:4 decoder is integrated on the switch requiring only two control lines and a positive bias to select each path, replacing four to eight control lines normally required by GaAs SP4T switches.Applications Base stations, repeaters, and portable wireless WLAN, WiMAX, and WiBro CATV/DBS Test equipment Wireless local loop

The HMC253 is a nonreflective SP8T switch in a leadless RoHS compliant 4 mm x 4 mm ceramic SMT package and a 24-lead QSOP package featuring wideband operation from DC to 3.5 GHz. The switch offers a single positive bias and true TTL/CMOS compatibility, enabling it to operate with 0/3 V control and a 5 V supply. A 3:8 decoder is integrated on the switch requiring only three control lines and a positive bias to select each path. The HMC253 SP8T will replace multiple configurations of SP4T and SPDT MMIC switches.Applications Base stations and repeaters WiMAX, WiBro, and fixed wireless Cellular/3G infrastructure CATV/DBS Military and HiRel Point to point radios Point to multipoint radios/LMDS VSAT