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INA105 - Precision Unity Gain Differential Amplifier

Description

The INA105 is a monolithic Gain = 1 differential amplifier consisting of a precision operational amplifier (op amp) and on-chip metal film resistor network.

The resistors are laser trimmed for accurate gain and high common-mode rejection.

Features

  • Unity-gain difference amplifier configuration.
  • High common-mode rejection (CMRR): 72dB (minimum).
  • Low gain error: 0.025% (maximum).
  • Low gain drift: 5ppm/°C (maximum).
  • Low nonlinearity: 0.001% (maximum).
  • Bandwidth: 1MHz (typical).
  • Low offset voltage: 500μV (maximum).
  • Low offset voltage drift: 20μV/°C (maximum) 2.

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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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INA105 SBOS145A – AUGUST 1993 – REVISED MARCH 2025 INA105 Precision Unity Gain Differential Amplifier 1 Features • Unity-gain difference amplifier configuration • High common-mode rejection (CMRR): 72dB (minimum) • Low gain error: 0.025% (maximum) • Low gain drift: 5ppm/°C (maximum) • Low nonlinearity: 0.001% (maximum) • Bandwidth: 1MHz (typical) • Low offset voltage: 500μV (maximum) • Low offset voltage drift: 20μV/°C (maximum) 2 Applications • Battery cell formation & test equipment • Sensor tag & data logger • Servo drive position feedback • Level transmitter • String inverter 3 Description The INA105 is a monolithic Gain = 1 differential amplifier consisting of a precision operational amplifier (op amp) and on-chip metal film resistor network.
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