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Electronic Components & Devices -> Electronic Amplifiers -> Differential Amplifiers

Differential Amplifiers

(Showing headlines 1 - 20)   more ....

High-Speed Differential Amplifiers suit low-power DAQ systems.

Texas Instruments, Inc. (TI)    Dallas, TX 75243-4136
Jul 24, 2013 Suited for high-density applications, single-channel THS4531A and dual-channel THS4532 feature 0.25 mA/channel quiescent current, 36 MHz gain bandwidth, 250 A power consumption, 10 nV/√Hz noise, 0.4 mV max offset voltage, and 200 V/sec slew rate. Open-loop voltage gain of 114 dB with 0.4 mV max offset and 9 V/C offset voltage drift enable precision sensing and buffering. While THS4532 comes in 16-pin TSSOP, THS4531A comes in 8-pin SOIC, 8-pin VSOP, or 10-pin QFN.

Two-Channel Differential Amplifier drives high-frequency ADCs.

Analog Devices, Inc.    Norwood, MA 02062-9106
Dec 19, 2012 Suited for driving 12- to 18-bit ADCs, ADL5566 features 3 dB bandwidth of 4.5 GHz and comes in 4 x 4 mm, 24-lead LFCSP. Product is optimized for wideband, high IF (intermediate frequency), low distortion, and noise performance out to 500 MHz. At 100 MHz, device achieves respective IP3 and IP2 values of 51 and 100 dBm. Design supports detailed specifications at 70, 100, 140, 250, 500, and 1,000 MHz, and power consumption is 70 mA per channel at 3.3 V and 80 mA per channel at 5 V.

GaN-Based Differential Amplifiers meet demands of CATV networks.

RFMD Inc.    Greensboro, NC 27409
Nov 22, 2011 SMT power doubler, RFCM2680, is capable of delivering +61 dBmV output, while RFPP2870 push-pull amp features high gain 28 dB (min at 1,003 MHz). Functioning as Edge QAM amp or push-pull amp with +46 dBmV output, RFAM2790 meets DOCSIS 3.0 specifications with 7 dB margin and has inner-stage attenuator that provides 8-28 dB gain. Push-pull amp RFCA8818, optimized for CATV line driver stages, has 2 dB noise figure and delivers 17 dB gain and +34 dBmV min output power.

GaAs Broadband Push-Pull Amp suits CATV infrastructure applications.

GaAs Broadband Push-Pull Amp suits CATV infrastructure applications.

M/A-COM Technology Solutions, Inc.    Lowell, MA 01851
Aug 15, 2011 Supplied in 4 x 4 mm, 20-lead, plastic QFN package, MAAM-009455 is configured as pair of cascade structures and features 20.5 dB gain with broadband linear performance. It uses M/A-COM Tech baluns, input and output, to ensure optimal second order performance. Operating from 8 V, this differential amplifier also features external feedback which allows for gain tuning. Characteristics include gain flatness of 0.5 dB typ over 50-1,000 MHz operating band and -70 dBc CSO/CTB.

Low-Noise Differential Amplifiers include gain resistors.

Maxim Integrated Products    Sunnyvale, CA 94086
Dec 07, 2010 Suited for driving 12-16 bit pipeline ADCs, MAX9626-MAX9628 low-distortion, 1.35 GHz differential amplifiers integrate gain resistors, eliminating need for external feedback resistors. Output common mode of units is set through one of input pins, so coupling transformer or AC-coupling capacitors are not needed, and products can accept negative input signals for interfacing with most ADCs. Available in 3 x 3 mm package, they are specified over -40 to +85C temperature range.

Differential Amplifier drives DC to 100 MHz signals.

Linear Technology    Dallas, TX 75248
Oct 14, 2010 Built on SiGe BiCMOS process and specified to operate with 3 or 5 V single supply, Model LTC6409 is capable of driving DC to 100 MHz signals with 1.1 nV/√Hz noise and -88 dBc HD2/HD3 distortion. Device features 10 GHz gain-bandwidth product, 100 dB SFDR up to 40 MHz, and 1% settling time of 1.9 ns. Housed in 2 x 3 mm QFN package, amplifier has wide input common mode range of 0-3.5 V and output common mode range of 0.5-3.5 V when using single 5 V supply.

Differential Amplifier drives gigasample ADCs.

Analog Devices, Inc.    Norwood, MA 02062-9106
Jun 09, 2010 Model ADA4960-1 is 5 GHz differential amplifier that drives high-speed ADCs with 10 bit linearity to 500 MHz and ADCs with 8 bit linearity up to 1 GHz. Consuming just 60 mA of quiescent current when operating up to 1 GHz, amplifier features a 8,700 V/sec slew rate of AV=6 dB, 2 V pk-pk output. Along with settling time of 1 nsec to 1% and overdrive recovery of 10 nsec, ADA4960-1 features single resistor programmable gain of 0-18 dB and operates from 5 V supply.

Difference Amplifier targets automotive applications.

Analog Devices, Inc.    Norwood, MA 02062-9106
Jan 11, 2010 Delivering minimum CMRR of 80 db from dc to 10 kHz, Model AD8209 is suited for amplifying and low-pass filtering small differential voltages in presence of large common-mode voltage. Input common-mode voltage range extends from -2 to +45 V at single +5 V supply, and typical offset and gain drift are less than 5 V/C and 10 ppm/C, respectively. Qualified per AEC-Q100 specifications, amplifier includes input overvoltage and ESD protection, as well as EMI filtering.

Difference Amplifiers are sized as small as 4.9 x 3 mm.

Analog Devices, Inc.    Norwood, MA 02062-9106
Oct 15, 2009 Models AD8276, AD8277, and AD8278 offer slew rate of 1.1 V/sec and 15 sec settling time to 0.01%, as well as supply range of 2.5-36 V and 550 kHz bandwidth. Maximum quiescent current is 220 A with 86 dB common-mode rejection ratio. Units reject external interferences in low-power systems without increasing system power dissipation. Operating in temperatures from -40 to +125C, amplifiers suit process control, motor control, and power-management applications.

Op-Amp offers 10 MHz, 10 V/s, rail-to-rail I/O performance.

Op-Amp offers 10 MHz, 10 V/s, rail-to-rail I/O performance.

austriamicrosystems AG    Premstatten   Austria
Apr 14, 2009 Operating from single +2.7 to +5.5 V supply, Model AS1713 can swing to within 100 mV from rails while sinking or sourcing 50 mA of output current, making it suitable for headphone drivers and audio line receivers and buffers. Large short time loads are supported by peak output current of more than 200 mA. Requiring 1.6 mA of supply current and only 1 nA while in shutdown, amplifier offers fixed differential voltage gain of 1 and operates in environments ranging from -40 to +85C.

Signal Path Solution suits DAQ systems, STBs, and radar.

National Semiconductor Corp.    Santa Clara, CA 95051-0695
Nov 14, 2008 At 248 MHz, ADC10D1000 provides spurious-free dynamic range(SFDR) performance of 66 dBc and 9.1 effective number of bits. This 2 GSPS single/1 GSPS dual ADC runs off single supply voltage and consumes 2.8 W. At 2.5 GHz, LMH6554 wideband fully differential amplifier drives 10-bit ADC10D1000 and provides 0.1 dB gain flatness up to 800 MHz, SFDR of 72 dBc at 250 MHz, and input voltage noise performance of 0.9 nV/sqrt Hz.

Wideband Amplifier has programmable output limiting clamp.

Wideband Amplifier has programmable output limiting clamp.

National Semiconductor Corp.    Santa Clara, CA 95051-0695
Oct 30, 2008 Suited for automotive safety applications, model LMH6553 fully differential amplifier protects ADC and other downstream circuitry from over-voltage events. It features 900 MHz unity-gain bandwidth, operates on 29 mA supply current, and offers power-to-performance ratio of 32 A/MHz. Operating over -40 to 125C temperature range, unit features 600 picosec clamp overdrive recovery time as well as 53 mV clamp accuracy, and provides 4 kV of ESD protection.

Differential Amplifiers can drive 14- and 16-bit ADCs.

Analog Devices, Inc.    Norwood, MA 02062-9106
Aug 15, 2008 Consuming less than 120 mW of power on single 3.3 V supply, single channel ADA4939-1 and dual channel ADA4939-2 differential amplifiers achieve 82 dB SFDR at 70 MHz. Operating over -40 to 105C temperature range for both 3.3 and 5 V operation, units feature input voltage noise of 2.3 nV/rt Hz, -3 dB bandwidth of 1.4 GHz, and slew rate of 5,000 V/S. Model ADA4939-2 can drive dual ADCs used in I/Q demodulation schemes, and offers low cross-talk of -80 dB at 100 MHz.

Dual ADC Drivers offer guaranteed gain matching.

Linear Technology Corp.    Milpitas, CA 95035
May 22, 2008 With guaranteed matched gain of 0.25 dB and matched phase of 0.1, Model LTC6420-20 minimizes errors in multichannel systems. Unit provides fixed gain of 20 dB with -84 dBc 3rd-order intermodulation distortion at 100 MHz input frequency. Input voltage noise is 2.2 nV/√Hz, including internal gain-setting resistors. Housed in 3 x 4 mm QFN package, 1.8 GHz Model LTC6420-20 processes signals from DC-300 MHz, while 40 mA, 1.3 GHz Model LTC6421-20 is optimized for input frequencies of DC-140 MHz.

Differential Amplifiers offer high slew rates.

Analog Devices, Inc.    Norwood, MA 02062-9106
Nov 26, 2007 With 86 dB CMRR (common mode rejection ratio), Models 10 MHz AD8270 and 12 MHz AD8273 precision dual-channel difference amplifiers feature 30 and 25 V/s slew rates, respectively. Units come with internal gain-setting resistors that allow engineers to set gain with no external components. Suited for industrial, avionics, and audio applications, Model AD8270 is available in 4 x 4 mm LFCSP package, while Model AD8273 comes in 54 mm square SOIC package.

Differential Amplifier offers 3 GHz gain bandwidth.

Differential Amplifier offers 3 GHz gain bandwidth.

Linear Technology Corp.    Milpitas, CA 95035
Sep 12, 2007 Model LTC6406 fully differential ADC driver features rail-to-rail input stage and independently adjustable output common mode range. Operating on supplies from 2.7-3.5 V, device features differential outputs that each swing from near ground to 2 V. It achieves 90 dBc distortion for input frequencies from DC to 20 MHz and nearby -70 dBc distortion from DC to 50 MHz. Current consumption is 18 mA which can be reduced to 300 A during periods of inactivity.

Fully Differential Amplifiers promote ADC performance.

Fully Differential Amplifiers promote ADC performance.

Linear Technology Corp.    Milpitas, CA 95035
May 31, 2007 Operating from single 3V supply, LTC6400-20 and LTC6401-20 include gain setting resistors and VOCM pin for setting output common mode voltage to match input range of ADC. Model LTC6400-20 provides fixed gain of 20 dB with -93 dBc third-order intermodulation distortion performance and noise figure of 6.5 dB for 140 MHz input frequency. For input frequencies up to 70 MHz, LTC6401-20 maintains same low noise performance and offers -90 dBc distortion performance.

Differential Amplifier offers output voltage tracking.

Linear Technology Corp.    Milpitas, CA 95035
Feb 06, 2007 Featuring user-programmable current limit, LTC3823 synchronous step-down DC/DC controller provides true differential remote output voltage sensing of positive and negative terminals. It can operate at duty cycles from 2-90% and develop output voltages from 0.6 V to 90% VIN. Input range is 4.5-30 V, and constant on-time architecture allows control loop to respond instantly to load steps. IC uses current mode control and can be configured for PLL frequency synchronization.

Amplifiers optimize distortion power and noise performance.

Amplifiers optimize distortion power and noise performance.

Linear Technology Corp.    Milpitas, CA 95035
Dec 11, 2006 Integrating precision gain-setting resistors on-chip, Model LT6402 and LT6411 differential amplifiers can be used as high-speed ADC drivers, twisted-pair line drivers, and single-ended to differential signal converters. Model LT6402 has -3 dB bandwidth of 300 MHz, and is available in 6, 12, and 20 dB fixed gain options. With -3 dB bandwidth of 650 MHz and slew rate of 3,300 V/s, Model LT6411 dual-selectable gain amplifier has supply range of 2.25V to 6.3V.

Amplifiers integrate gain-setting resistors on-chip.

Amplifiers integrate gain-setting resistors on-chip.

Linear Technology Corp.    Milpitas, CA 95035
Nov 21, 2006 With -3 dB bandwidth of 300 MHz, LT6402 differential amplifier provides on-chip filter and output common mode voltage pin, and is available in 6, 12, and 20 dB fixed gain options. Model LT6411 dual-selectable gain amplifier has -3 dB bandwidth of 650 MHz and slew rate of 3,300 V/s, with independently selectable gains, consuming 16 mA supply current. Device can be disabled when inactive, dropping consumption to less than 0.35 mA max per amplifier.

(Showing headlines 1 - 20)   more ....

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