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AD8221 - Precision Instrumentation Amplifier

General Description

The AD8221 is a gain programmable, high performance instrumentation amplifier that delivers the industry’s highest CMRR over frequency in its class.

The CMRR of instrumentation amplifiers on the market today falls off at 200 Hz.

Key Features

  • Easy to use Available in space-saving MSOP Gain set with 1 external resistor (gain range 1 to 1000) Wide power supply range: ±2.3 V to ±18 V Temperature range for specified performance:.
  • 40°C to +85°C Operational up to 125°C1 Excellent AC specifications 80 dB minimum CMRR to 10 kHz (G = 1) 825 kHz,.
  • 3 dB bandwidth (G = 1) 2 V/µs slew rate Low noise 8 nV/√Hz, @ 1 kHz, maximum input voltage noise 0.25 µV p-p input noise (0.1 Hz to 10 Hz) High accuracy dc performance (AD8221BR) 90 d.

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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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Precision Instrumentation Amplifier AD8221 FEATURES Easy to use Available in space-saving MSOP Gain set with 1 external resistor (gain range 1 to 1000) Wide power supply range: ±2.3 V to ±18 V Temperature range for specified performance: −40°C to +85°C Operational up to 125°C1 Excellent AC specifications 80 dB minimum CMRR to 10 kHz (G = 1) 825 kHz, –3 dB bandwidth (G = 1) 2 V/µs slew rate Low noise 8 nV/√Hz, @ 1 kHz, maximum input voltage noise 0.25 µV p-p input noise (0.1 Hz to 10 Hz) High accuracy dc performance (AD8221BR) 90 dB minimum CMRR (G = 1) 25 µV maximum input offset voltage 0.3 µV/°C maximum input offset drift 0.