Rail to Rail Input and Output Operational Amplifier

Product No: WEAOPSP18RI18RO1F22GDownload Datasheet

  • Applications:ADC buffers, Analog Test Bus monitor systems
  • Maturity:GDS Ready
  • Foundry:GF
  • Geometry (nm):22nm
  • Process Node:22FDX

The WEAOPSP18RI18RO1F22G is a rail to rail input and rail to rail output folded cascode with rail to rail output gm stage with input offset control capability. The opamp is ideal for ADC input buffers with offset control requirements for the ADC calibration.

Key Features
  • Power Supply : 1.8 V
  • Open loop gain : 133 dB
  • PSRR : 65 dB@ 1 KHz,27 dB@ 1 MHz
  • Noise @100 KHz : -157 dBV/sqrt (Hz),13.5 nV/sqrt (Hz)
  • Noise @1 MHz : -160 dBV/sqrt (Hz),10 nV/sqrt (Hz)
  • Offset : 544 uV
  • Bandwidth : 2.8 Hz
  • Output impedance : 91 KOhm
  • Power Consumption : 1.1 mW
  • Slew rate : 5 V/us
  • Distortion SFDR @1 MHz,(Vin 500m Vp-p) :  55 dB
  • Area : 94 um x 188 um
  • Process : 22FDX
  • Metal Option : 19
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