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Optimal choice for applications requiring high-speed performance and rail-to-rail operation"

OPA2353UA General Description

Texas Instruments' OPA2353UA is a precision operational amplifier designed for precision applications. With a low input offset voltage of 100µV (max) and a low input bias current of 1pA (max), it minimizes errors in high-impedance circuits. The wide supply voltage range of ±1.35V to ±18V offers flexibility in various voltage configurations, while the high open-loop gain of 115dB (typ) and unity-gain bandwidth of 3MHz ensure stable operation in a variety of signal processing tasks. The amplifier also features rail-to-rail input and output capabilities, allowing it to handle signals close to the supply rails without distortion. Its low quiescent current of 725µA (max) makes it suitable for battery-powered applications, extending battery life. Additionally, the OPA2353UA is available in a small outline package, making it suitable for space-constrained designs

Key Features

  • Dual low-power operational amplifier
  • Supply voltage range: 2.2V to 5.5V
  • Low noise: 8nV/√Hz at 1kHz
  • Low offset voltage: 100µV max
  • Low quiescent current: 275µA/amplifier
  • Rail-to-rail output swing


  • Home automation
  • Internet of Things
  • Wearable devices


Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.5
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.7 Rail-to-rail In, Out
GBW (typ) (MHz) 44 Slew rate (typ) (V/µs) 22
Vos (offset voltage at 25°C) (max) (mV) 8 Iq per channel (typ) (mA) 5.2
Vn at 1 kHz (typ) (nV√Hz) 7 Rating Catalog
Operating temperature range (°C) -40 to 85 Offset drift (typ) (µV/°C) 5
Features High Cload Drive Input bias current (max) (pA) 10
CMRR (typ) (dB) 86 Iout (typ) (A) 0.08
Architecture CMOS Input common mode headroom (to negative supply) (typ) (V) -0.1
Input common mode headroom (to positive supply) (typ) (V) 0.1 Output swing headroom (to negative supply) (typ) (V) 0.01
Output swing headroom (to positive supply) (typ) (V) -0.01

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