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CS3301A - Differential Amplifier

General Description

The CS3301A is a low-noise differential input, differential output amplifier with programmable gain, optimized for amplifying signals from low-impedance sensors such as geophones.

The gain settings are binary weighted (x1, x2, x4, x8, x16, x32, x64) and are selected using simple pin settings.

Key Features

  • & Desription z Signal Bandwidth: DC to 2 kHz z Selectable Gain: x1, x2, x4, x8, x16, x32, x64 z Differential Inputs, Differential Outputs.
  • Multiplexed inputs: INA, INB, 800Ω termination.
  • Rough / fine outputs for CS5371A / 72A / 73A.
  • Max signal amplitude: 5 Vpp differential.
  • Low input bias: 1 nA typical z Outstanding Noise Performance.
  • 8.5 nV/ Hz from 0.1 Hz to 2 kHz.
  • 0.180 µVp-p between 0.1 Hz and 10 Hz z Low Total Harmonic Distortion.

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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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CS3301A Low-noise, Programmable Gain, Differential Amplifier Features & Desription z Signal Bandwidth: DC to 2 kHz z Selectable Gain: x1, x2, x4, x8, x16, x32, x64 z Differential Inputs, Differential Outputs • Multiplexed inputs: INA, INB, 800Ω termination • Rough / fine outputs for CS5371A / 72A / 73A • Max signal amplitude: 5 Vpp differential • Low input bias: 1 nA typical z Outstanding Noise Performance • 8.5 nV/ Hz from 0.1 Hz to 2 kHz • 0.180 µVp-p between 0.1 Hz and 10 Hz z Low Total Harmonic Distortion • -121 dB THD typical (0.0000891%) • -112 dB THD maximum (0.0002512%) z Low Power Consumption • Normal operation: 5.5 mA typical • Power down: 10 µA typical z Small 24-pin SSOP Package z Bipolar Power Supply Configuration • VA+ = +2.5 V; VA- = -2.5 V; VD = +3.