Differential Amplifiers

Electronic Components & Devices

7-GHz ADC Drivers bring AC performance to DC-coupled applications.

November 28, 2014

Supplied in 14-pin, 2.5 x 2.5 mm QFN package, LMH3401 and LMH5401 are fully differential amplifiers (FDAs). While LMH3401 provides 16 dB of gain and delivers 7 GHz of -3 dB bandwidth at 16 dB gain, slew rate of 18,000 V/µs, and harmonic distortion of -77 dBc at 500 MHz, LMH5401 can be configured for 6 dB of gain or more. It delivers 6.2 GHz of -3 dB bandwidth at 12 dB gain and provides slew rate of 17,500 V/µs, harmonic distortion of -90 dBc at 200 MHz, and IMD3 of -90 dBc at 200 MHz. Read More

Electronic Components & Devices

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

July 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 µA power consumption, 10 nV/√Hz noise, 0.4 mV max offset voltage, and 200 V/µsec slew rate. Open-loop voltage gain of 114 dB with 0.4 mV max offset and 9 µV/°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. Read More

Electronic Components & Devices

Two-Channel Differential Amplifier drives high-frequency ADCs.

December 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. Read More

Electronic Components & Devices

GaN-Based Differential Amplifiers meet demands of CATV networks.

November 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. Read More

Electronic Components & Devices

GaAs Broadband Push-Pull Amp suits CATV infrastructure applications.

August 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. Read More

Communication Systems & Equipment, Electronic Components & Devices

Low-Noise Differential Amplifiers include gain resistors.

December 7, 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 +85°C temperature range. Read More

Electronic Components & Devices

Differential Amplifier drives DC to 100 MHz signals.

October 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. Read More

Electronic Components & Devices

Differential Amplifier drives gigasample ADCs.

June 9, 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/µsec 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. Read More

Electronic Components & Devices

Wideband Amplifier has programmable output limiting clamp.

October 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 µA/MHz. Operating over -40 to 125°C temperature range, unit features 600 picosec clamp overdrive recovery time as well as ±53 mV clamp accuracy, and provides 4 kV of ESD protection. Read More

Communication Systems & Equipment, Electronic Components & Devices

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

August 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 105°C 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/µS. Model ADA4939-2 can drive dual ADCs used in I/Q demodulation schemes, and offers low cross-talk of -80 dB at 100 MHz. Read More

Electronic Components & Devices

Differential Amplifiers offer high slew rates.

November 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/µs 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. Read More

Electronic Components & Devices

Amplifiers optimize distortion power and noise performance.

December 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/µs, Model LT6411 dual-selectable gain amplifier has supply range of ±2.25V to ±6.3V. Read More

Communication Systems & Equipment, Electronic Components & Devices

Fully-Differential Amp drives ADCs up to 100 MHz.

January 26, 2005

Available in 16-pin QFN package, 1.9 GHz THS4509 leverages BiCom-III complementary bipolar silicon-germanium process, which integrates NPN and PNP bipolar transistors. Unit delivers input referred voltage noise of 2.0 nV/rtHz and 1% settling time of 2 ns with 2 V output step. Other features include large signal bandwidth of 1.5 GHz, small signal bandwidth of 1.9 GHz, slew rate of 6,600 V/µs and 0.65 mA power-down mode. Read More

Electronic Components & Devices

Differential Amplifier is optimized for video applications.

October 6, 2003

Model LT6552 3.3 V wideband difference amplifier minimizes effects of high-frequency noise pickup, allowing signals to be sent over long lines without corruption by external sources. Common mode rejection is >60 dB at 10 MHz. Unit comes in 3 x 3 mm DFN package and features 75 MHz -3 dB bandwidth, 600 V/µs slew rate, and ±70 mA output current, making it suitable for driving cables. Output swings rail-to-rail, providing maximum output dynamic range. Read More

Electronic Components & Devices

Fixed Gain Amplifier has differential inputs/outputs.

June 10, 2003

Available in 8-pin MSOP package, fully differential LTC1992-2 has high-stability internal gain setting resistors that provide fixed gain of 2 with better than ±0.3% gain accuracy over -40 to +85°C temperature range. Adjustable output common mode voltage is independent of input common mode voltage, and internal architecture uses separate feedback paths for differential signal and common mode signal. Product is stable for capacitive loads up to 10,000 pF. Read More

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