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LM358N

Dual general-purpose op-amp, 3-32V single supply, 1MHz GBW, 8-PDIP

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Manufacturer Part：

LM358N

Package：

8-PDIP

Brand：
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Description

Product Overview

The LM358N from Texas Instruments is a dual general-purpose operational amplifier operating from a single 3V to 32V supply. With 1MHz GBW and ground-referenced inputs, it is the most popular dual op-amp for single-supply applications. Packaged in 8-PDIP.

Key Specifications

Channels 2 (Dual)
Supply Voltage 3V to 32V single, or +/-1.5V to +/-16V
Gain-Bandwidth Product 1MHz
Slew Rate 0.7V/us (typ)
Input Offset Voltage 3mV (typ)
Input Bias Current 45nA (typ)
Supply Current 0.5mA (typ, both amplifiers)
Output Current 20mA (typ, source)
Package 8-PDIP
Operating Temperature 0 to +70 C

Features

  • Single supply operation from 3V to 32V
  • Input common-mode range includes ground
  • Output swings to ground (no negative supply needed)
  • 0.5mA total supply current
  • Internally frequency compensated
  • Industry standard dual op-amp pinout

Applications

  • Signal conditioning and filtering
  • Active filters and amplifiers
  • Voltage followers and buffers
  • Comparator and oscillator circuits

The LM358N from Texas Instruments is the dual version of the industry-standard LM324 quad op-amp, containing two independent amplifiers in an 8-PDIP package. It operates from a single 3V to 32V supply with input common-mode range that includes ground, making it the most popular dual op-amp for single-supply applications. The output can swing to within a few millivolts of ground under light load, eliminating the need for a negative supply in many circuits. With 1MHz GBW, 0.7V/us slew rate, and only 0.5mA total supply current, it handles most low-frequency signal conditioning tasks efficiently. The standard 8-pin dual op-amp pinout is shared with the NE5532, TL072, and other dual op-amps, allowing easy prototyping and substitution.

The LM358N uses a PNP differential input stage that allows the input common-mode voltage to extend to ground (and approximately 0.3V below). The input stage feeds a gain stage with internal compensation providing a 1MHz gain-bandwidth product and unity-gain stability without external components. The class AB output stage can source approximately 20mA but has limited sinking capability (approximately 50uA to ground through a current source). The output can swing to within approximately 1.5V of VCC and to within millivolts of ground. The internal bias circuit provides temperature-stable operation. The two amplifiers share only VCC and GND connections, operating independently otherwise.

Pin Name Function
1 1OUT Channel 1 output
2 1IN- Channel 1 inverting input
3 1IN+ Channel 1 non-inverting input
4 GND Ground / negative supply
5 2IN+ Channel 2 non-inverting input
6 2IN- Channel 2 inverting input
7 2OUT Channel 2 output
8 VCC Supply voltage (3-32V)
  • Single-supply signal conditioning with ground-referenced inputs from 3V
  • Active low-pass and band-pass filters with 1MHz bandwidth
  • Voltage follower buffers with output swinging to ground
  • Window comparator circuits using both channels for threshold detection
Model Manufacturer Key Difference
LM324N TI Quad version, same architecture, 14-PDIP
LM2904N TI Automotive grade, -40 to +125C
MCP6002-I/P Microchip 1.8-6V, lower voltage, rail-to-rail output
TL072CP TI JFET-input, dual supply, lower noise
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Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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