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

Short description
Special Purpose Low offset Operational Amplifier
Vendor
Vendor Name
Foundry, Node
GLOBALFOUNDRIES, 22FDX
Maturity
GDS Ready
GLOBALFOUNDRIES
Pre-Silicon: 22nm FDX
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Semiconductor IP