Special Purpose Low offset Operational Amplifier

Overview

The WEAOPSLOSP18NI18RO12M22G is a special purpose low offset buffer for bias generator that provides a buffered output for the bandgap voltage.The OpAmp deliberately exhibits systematic offsets to favor near zero Output Voltages. It is Ideal for Power Detector and Temperature sensors with Rail – To – Rail Output that can go down to zero values.

Key Features

  • Power Supply : 1.8 V
  • Open loop gain : 95 dB
  • PSRR : 77 dB@ 1 KHz
  • 33 dB@ 1 MHz
  • Noise @100 KHz : -166 dBV/sqrt (Hz)
  • 5 nV/sqrt (Hz)
  • Noise @1 MHz : -169 dBV/sqrt (Hz)
  • 3.47 nV/sqrt (Hz)
  • Offset :62 uV
  • Bandwidth : 807 Hz
  • Output impedance : 28 KOhm
  • Power Consumption : 1.58 mW
  • Slew rate : 22.8 V/us
  • Distortion SFDR @1 MHz
  • (Vin 500m Vp-p): -84 dB
  • Area : 95 um x 63 um
  • Process : 22FDX
  • Metal Option : 19
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Block Diagram

Special Purpose Low offset Operational Amplifier Block Diagram

Technical Specifications

Foundry, Node
GLOBALFOUNDRIES, 22FDX
Maturity
GDS Ready
GLOBALFOUNDRIES
Pre-Silicon: 22nm FDX
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Semiconductor IP