The TP2331/TP2332/TP2334 are single/dual/quad, low offset, low noise operational amplifiers with low power consumption and rail-to-rail input/output swing.
Input offset voltage is trimmed to less than 50μV and the CMOS inputs draw less than 0.3pA of bias current. The low offset drift, excellent CMRR, and highvoltage     gain make it a good choice for precision signal conditioning.Each amplifier draws only 190μA current on a 3V supply. The micro power, rail-to-rail operation of the

TP233xseries is well suited for portable instruments and single supply applications.
The TP2331 is single channel version available in 8-pinSOP and 5-pin SOT23 packages. The TP2332 is dual channel version available in 8-pin SOP and MSOP packages.

The TP2334 is quad channel versionavailable in 14-pin SOP and TSSOP packages.
Features
  Offset Voltage: 50 μV (max)
  Low Noise: 13nV/√Hz(f= 1kHz)
  Supply Current: 190μA/ch
  Low THD+N: 0.0005%
  Supply Range: 2.2V to 5.5V
  Low Input Bias Current: 0.3pA Typical
  Slew Rate: 0.9 V/μs
  EMIRR IN+: 85 dB( under 2.4GHz)
  Gain-bandwidth Product: 1.6MHz
  Rail-to-Rail I/O
  High Output Current: 70mA (1.0V Drop)
  –40°C to 125°C Operation Range
  Robust 7kV – HBM and 2kV – CDM ESD Rating
Applications
  Photodiode detection
  High Impedance Sensor Amplifier
  Microvolt Accuracy Threshold Detection
  Instrumentation Amplifiers
  Communications
  Security
  Battery Powered Applications

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