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LTC1047 - Dual Micropower Chopper Stabilized Operational Amplifier

Description

of these types of problems (and some advice on avoiding them), see the LTC1051/LTC1053 data sheet.

The LTC1047 has approximately 12pF of capacitance at each input pin.

This will react with large series resistors to form a pole at the input, degrading the LTC1047's phase margin.

Features

  • No External Components Required.
  • Maximum Offset Voltage: 10µV.
  • Maximum Offset Voltage Drift: 50nV/°C.
  • Supply Current: 80µA.
  • Minimum CMRR: 110dB.
  • Minimum PSRR: 105dB.
  • Single Supply Operation: 4.75V to 16V.
  • Common Mode Range Includes GND.
  • Output Swings to GND.
  • Typical Overload Recovery Time: 70ms.
  • Pin Compatible with Industry Standard Dual Op Amps U.

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Full PDF Text Transcription

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U U FEATURES ■ No External Components Required ■ Maximum Offset Voltage: 10µV ■ Maximum Offset Voltage Drift: 50nV/°C ■ Supply Current: 80µA ■ Minimum CMRR: 110dB ■ Minimum PSRR: 105dB ■ Single Supply Operation: 4.75V to 16V ■ Common Mode Range Includes GND ■ Output Swings to GND ■ Typical Overload Recovery Time: 70ms ■ Pin Compatible with Industry Standard Dual Op Amps U APPLICATIO S ■ Thermocouple Amplifiers ■ Electronic Scales ■ Battery Powered Instrumentation ■ Strain Gauge Amplifiers ■ Remote Located Sensors LTC1047 Dual Micropower Zero-Drift Operational Amplifier with Internal Capacitors DESCRIPTIO The LTC®1047 is a micropower, high performance dual zero-drift operational amplifier.
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