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LM358ADT

Dual general-purpose op amp, 3-32V, 1.1MHz GBW, ground-sensing, SOIC-8, 0-70C

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Manufacturer Part：

LM358ADT

Package：

SOIC-8 (4.90 x 3.90 x 1.27 mm)

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Description

Product Overview

The LM358ADT from STMicroelectronics is a dual general-purpose operational amplifier operating from a single 3V to 32V supply or +/-1.5V to +/-16V dual supplies. Featuring 1.1 MHz gain-bandwidth product, 0.6 V/us slew rate, and low 300 uA supply current per amplifier, it is one of the most widely used general-purpose op amps. The A suffix denotes commercial temperature range (0-70 C) and DT denotes SOIC-8 package in tape-and-reel.

Key Specifications

Type Dual General-Purpose Op Amp
Channels 2
Supply Voltage 3V – 32V (single) / +/-1.5V – +/-16V (dual)
GBW 1.1 MHz (typical)
Slew Rate 0.6 V/us (typical)
Input Offset Voltage 2 mV (typical), 7 mV (max)
Input Bias Current 20 nA (typical)
Supply Current 0.5 mA per channel (typical)
Output Current 30 mA (typical, short circuit)
Common-Mode Range 0V to VCC-1.5V
CMRR 85 dB (typical)
Package SOIC-8
Operating Temp 0 to 70 C (A suffix)

Features

  • Single or dual supply operation from 3V to 32V
  • Low supply current: 500 uA per amplifier (essentially independent of supply voltage)
  • Input common-mode voltage range includes ground (single-supply operation)
  • 1.1 MHz gain-bandwidth product (temperature compensated)
  • Internal frequency compensation (no external components needed)
  • Large DC voltage gain: 100 dB
  • Large output voltage swing: 0V to VCC-1.5V
  • Industry-standard LM358 pinout compatible with LM258/LM158/LM2904

Applications

  • Battery-powered instruments and portable devices
  • Active filters and signal conditioning
  • Low-frequency oscillator circuits
  • DC gain blocks and buffer amplifiers
  • Transducer amplifier and voltage followers

The LM358ADT from STMicroelectronics is a dual general-purpose operational amplifier that operates from a single supply of 3V to 32V (or dual supplies of +/-1.5V to +/-16V). It features 1.1 MHz gain-bandwidth product, 0.6 V/us slew rate, and low 500 uA per-amplifier supply current essentially independent of supply voltage. The input common-mode voltage range includes ground, enabling single-supply operation without a negative rail. The A suffix denotes commercial temperature range (0 to 70 C) and DT denotes the SOIC-8 package in tape-and-reel packaging.

The LM358ADT uses a bipolar input stage with PNP differential pairs that allow the common-mode input voltage to extend down to ground (0V), making it ideal for single-supply applications. The output stage uses a class AB push-pull topology with active pull-down, enabling the output to swing close to ground without a pull-down resistor. Internal frequency compensation (a 30 pF capacitor) provides unconditional stability for unity-gain operation. The two amplifiers share only the supply pins and are otherwise independent. The output can source 20-40 mA and is short-circuit protected with infinite duration.

Pin Name Type Function
1 1OUT Output Channel 1 output
2 1IN- Input Channel 1 inverting input
3 1IN+ Input Channel 1 non-inverting input
4 GND/V- Power Ground (single supply) / negative supply (dual)
5 2IN+ Input Channel 2 non-inverting input
6 2IN- Input Channel 2 inverting input
7 2OUT Output Channel 2 output
8 V+ Power Positive supply (3-32V)
  • Single-supply signal conditioning: Ground-sensing input for 0V-referenced signals
  • Active filters: Low-pass, band-pass with 1.1 MHz GBW for audio-range applications
  • Battery instruments: 3V minimum operation with 500 uA per channel
  • Voltage followers: Unity-gain buffers with internal compensation
  • Oscillators: RC and Wien bridge oscillators using dual amplifiers
Manufacturer Part Number Package Notes
TI LM358DR SOIC-8 Same function, TI manufacture
ST LM358DT SOIC-8 Industrial grade -40-85 C version
Onsemi LM358DR2G SOIC-8 Equivalent, alternate source
TI LMV358IDR SOIC-8 Low-voltage version, 2.7-5.5V, 1MHz
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