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AD8429 - Low Noise Instrumentation Amplifier

General Description

The AD8429 is an ultralow noise, instrumentation amplifier designed for measuring extremely small signals over a wide temperature range (

40°C to +125°C).

The AD8429 excels at measuring tiny signals.

It delivers ultralow input noise performance of 1 nV/√Hz.

Key Features

  • Low noise 1 nV/√Hz input noise 45 nV/√Hz output noise High accuracy dc performance (AD8429BRZ) 90 dB CMRR minimum (G = 1) 50 μV maximum input offset voltage 0.02% maximum gain accuracy (G = 1) Excellent ac specifications 80 dB CMRR to 5 kHz (G = 1) 15 MHz bandwidth (G = 1) 1.2 MHz bandwidth (G = 100) 22 V/μs slew rate THD:.
  • 130 dBc (1 kHz, G = 1) Versatile ±4 V to ±18 V dual supply Gain set with a single resistor (G = 1 to 10,000) Temperature range for specified performance.
  • 40°C.

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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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www.DataSheet4U.net 1 nV/√Hz Low Noise Instrumentation Amplifier AD8429 FEATURES Low noise 1 nV/√Hz input noise 45 nV/√Hz output noise High accuracy dc performance (AD8429BRZ) 90 dB CMRR minimum (G = 1) 50 μV maximum input offset voltage 0.02% maximum gain accuracy (G = 1) Excellent ac specifications 80 dB CMRR to 5 kHz (G = 1) 15 MHz bandwidth (G = 1) 1.2 MHz bandwidth (G = 100) 22 V/μs slew rate THD: −130 dBc (1 kHz, G = 1) Versatile ±4 V to ±18 V dual supply Gain set with a single resistor (G = 1 to 10,000) Temperature range for specified performance −40°C to +125°C PIN CONNECTION DIAGRAM –IN RG RG +IN 1 2 3 4 AD8429 8 7 6 5 +VS VOUT REF –VS 09730-001 TOP VIEW (Not to Scale) Figure 1.