Diodes Incorporated — Analog and discrete power solutions
3D MSOP 8

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SO 8

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AS2333

High precision opamp

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Description

The AS2333 is dual CMOS operational amplifier designed with chopping stabilization technique. This product can provide ultra-low input offset voltage (8μV typical) and near zero-drift over time and temperature. This technique also eliminates 1/f noise and the crossover distortion present in most rail-to-rail input operational amplifiers. The high-precision, low quiescent current amplifier offers high-impedance inputs that have a common-mode range 100mV beyond the rails, and a rail-to-rail output that swings within 50mV of the rails. Single or dual supplies as low as 1.8V (±0.9V) and up to 5.5V (±2.75V) can be used.

The device is optimized for low voltage single supply application, especially for low-power high-precision applications.

The AS2333 is available in the standard 8-pin SO-8, MSOP-8, and UDFN3030-8 (Type E) packages, and is specified for operation from -40°C to +125°C.

Feature(s)

  • Low Input Offset Voltage: 8μV (typ)
  • Zero Drift: 0.02μV/°C (typ)
  • 01Hz to 10Hz Noise: 1.1μVPP
  • Low Quiescent Current: 12μA per Amplifier
  • Supply Voltage: 1.8V to 5.5V
  • Rail-to-Rail Input and Output
  • Bandwidth 350kHz
  • Slew Rate 0.12V/μs (typ)
  • MSOP-8, SO-8, and U-DFN3030-8 (Type E) Packages
  • Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
  • Halogen and Antimony Free. “Green” Device (Note 3)
  • An automotive-compliant part is available under separate datasheet (AS2333Q)

Application(s)

  • Battery-powered instruments
  • Handheld test equipment
  • Medical instrumentation
  • Sensor signal conditioning
  • Low-voltage current sensing

Product Specifications

Product Parameters

Compliance (Only Automotive supports PPAP) Standard
AEC Qualified No
Number of Channels 2
Minimum Supply Voltage (V) 1.8 V
Maximum Supply Voltage (V) 5.5 V
Supply Current @ 5V (per Op Amp) (mA) 0.012 mA
Input Offset Voltage typ (mV) 0.008 mV
Input Bias Current typ (nA) 0.07 nA
Minimum Input Common Mode Voltage (V) V- -0.1 V
Maximum Input Common Mode Voltage (V) V+ +0.1 V
Output Current Source (mA) 5 mA
Output Current Sink (mA) 25 mA
Rail-Rail Input/ Output
Operating Ambient Temperature Range (°C) -40 to 125 °C

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TN1.pdf

RoHS CofC