GENERAL DESCRIPTION

The ADA4932-x is the next generation AD8132 with higher performance, and lower noise and power consumption. It is an ideal choice for driving high performance ADCs as a single-ended to-differential or differential-to-differential amplifier. The output common-mode voltage is user adjustable by means of an internal common-mode feedback loop, allowing the ADA4932-x output to match the input of the ADC. The internal feedback loop also provides exceptional output balance as well as suppression of even-order harmonic distortion products.

FEATURES

High performance at low power

High speed

−3 dB bandwidth of 560 MHz, G = 1

0.1 dB gain flatness to 300 MHz

Slew rate: 2800 V/μs, 25 to 75

Fast 0.1 settling time of 9 ns

Low power: 9.6 mA per amplifier

Low harmonic distortion

100 dB SFDR @ 10 MHz

90 dB SFDR @ 20 MHz

Low input voltage noise: 3.6 nV/√Hz

±0.5 mV typical input offset voltage

Externally adjustable gain

Can be used with fractional differential gains

Differential-to-differential or single-ended-to-differential operation

Adjustable output common-mode voltage

Input common-mode range shifted down by 1 VBE

Wide supply range: +3 V to ±5 V

Available in 16-lead and 24-lead LFCSP packages

APPLICATIONS

ADC drivers

Single-ended-to-differential converters

IF and baseband gain blocks

Differential buffers

Line drivers

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