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LMP7721 - 3-Femtoampere Input Bias Current Precision Amplifier

General Description

The LMP7721 is the industry’s lowest specified input bias current precision amplifier.

The ultra-low input bias current is 3 fA, with a specified limit of ±20 fA at 25°C and ±900 fA at 85°C.

Key Features

  • 1 Unless Otherwise Noted, Typical Values at TA = 25°C, VS = 5 V.
  • Input Bias Current (VCM = 1 V).
  • Maximum at 25°C ±20 fA.
  • Maximum at 85°C ±900 fA.
  • Offset Voltage ±26 µV.
  • Offset Voltage Drift.
  • 1.5 μV/°C.
  • DC Open-Loop Gain 120 dB.
  • DC CMRR 100 dB.
  • Input Voltage Noise (at f = 1 kHz) 6.5 nV/√Hz.
  • THD 0.0007%.
  • Supply Current 1.3 mA.
  • GBW 17 MHz.
  • Slew Rate (Falling Edge) 12.76 V/μs.

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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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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LMP7721 SNOSAW6E – JANUARY 2008 – REVISED DECEMBER 2014 LMP7721 3-Femtoampere Input Bias Current Precision Amplifier 1 Features •1 Unless Otherwise Noted, Typical Values at TA = 25°C, VS = 5 V. • Input Bias Current (VCM = 1 V) – Maximum at 25°C ±20 fA – Maximum at 85°C ±900 fA • Offset Voltage ±26 µV • Offset Voltage Drift −1.5 μV/°C • DC Open-Loop Gain 120 dB • DC CMRR 100 dB • Input Voltage Noise (at f = 1 kHz) 6.5 nV/√Hz • THD 0.0007% • Supply Current 1.3 mA • GBW 17 MHz • Slew Rate (Falling Edge) 12.76 V/μs • Supply Voltage 1.8 V to 5.