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AD8432 - Dual-Channel Ultralow Noise Amplifier

General Description

The AD8432 is a dual-channel, low power, ultralow noise amplifier with selectable gain and active impedance matching.

Each channel has a single-ended input, differential output, and integrated input clamps.

Key Features

  • Low noise Input voltage noise: 0.85 nV/√Hz Current noise: 2.0 pA/√Hz High speed 200 MHz bandwidth (G = 12.04 dB) 295 V/μs slew rate Selectable gain G = 12.04 dB (×4) G = 18.06 dB (×8) G = 21.58 dB (×12) G = 24.08 dB (×16) Active input impedance matching Integrated input clamp diodes Single-ended input, differential output Supply range: 4.5 V to 5.5 V Low power: 60 mW/channel.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Data Sheet Dual-Channel Ultralow Noise Amplifier with Selectable Gain and Input Impedance AD8432 FEATURES Low noise Input voltage noise: 0.85 nV/√Hz Current noise: 2.0 pA/√Hz High speed 200 MHz bandwidth (G = 12.04 dB) 295 V/μs slew rate Selectable gain G = 12.04 dB (×4) G = 18.06 dB (×8) G = 21.58 dB (×12) G = 24.08 dB (×16) Active input impedance matching Integrated input clamp diodes Single-ended input, differential output Supply range: 4.5 V to 5.5 V Low power: 60 mW/channel APPLICATIONS CW Doppler ultrasound front ends Low noise preamplification Predriver for I/Q demodulators and phase shifters Wideband analog-to-digital drivers GENERAL DESCRIPTION The AD8432 is a dual-channel, low power, ultralow noise amplifier with selectable gain and active impedance matching.