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LM358DR

Dual op-amp, 3-32V single supply, 700kHz GBW, SOIC-8

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Manufacturer Part：

LM358DR

Package：

SOIC-8 (4.9×3.9 mm, 1.27mm pitch)

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Description

Product Overview

The LM358DR is a dual general-purpose operational amplifier from Texas Instruments (originally ON Semiconductor/National Semiconductor). It features two independent high-gain internally compensated op-amps designed to operate from a single supply over a wide voltage range (3V to 32V). Packaged in SOIC-8, it is one of the most widely used dual op-amps for signal conditioning, filtering, and buffer applications.

Key Specifications

Channels 2 (dual)
Supply Voltage Range 3V to 32V (single) / ±1.5V to ±16V (dual)
Gain Bandwidth Product 700 kHz (typical)
Slew Rate 0.3 V/µs (typical)
Input Offset Voltage 3 mV (typical), 7 mV (max)
Input Bias Current 20 nA (typical)
Quiescent Current 0.7 mA (per amplifier, typical)
Output Current 30 mA (typical)
CMRR 80 dB (typical)
Operating Temperature 0°C to +70°C
Package SOIC-8 (3.9 mm width)

Features

  • Single supply operation from 3V to 32V
  • Common mode input range includes ground (VEE)
  • Internally frequency compensated
  • True differential input stage
  • Short-circuit protected outputs
  • Low input bias current: 20 nA typical
  • DC voltage gain: 100 dB (typical)
  • Industry-standard SOIC-8 pinout

Applications

  • Signal conditioning and amplification
  • Active filters and integrators
  • Voltage followers and buffer circuits
  • Comparator and zero-crossing detector
  • Audio preamplifier and sensor interface

The LM358DR from Texas Instruments is an industry-standard dual operational amplifier featuring two independent high-gain internally compensated op-amps. It operates from a single supply (3V to 32V) or dual supplies (±1.5V to ±16V), with a common mode input range that includes ground. With 700 kHz GBW, 100 dB DC gain, and low 0.7 mA per-channel quiescent current, it is the workhorse dual op-amp for general-purpose signal conditioning in consumer and industrial applications.

The LM358DR contains two independent op-amps, each consisting of a differential input stage, gain stage, and output stage. The input stage uses a PNP differential pair that allows the common mode range to extend to ground (VEE), enabling single-supply operation. The gain stage provides the high open-loop gain (100 dB typical), while the internal compensation capacitor (5 pF) ensures stability at unity gain. The output stage is a class AB push-pull that can source and sink current, with short-circuit protection limiting the output current to approximately 40 mA.

Pin Name Type Function
1 OUT A Output Op-amp A output
2 IN- A Input Op-amp A inverting input
3 IN+ A Input Op-amp A non-inverting input
4 GND/VEE Power Negative supply or ground
5 IN+ B Input Op-amp B non-inverting input
6 IN- B Input Op-amp B inverting input
7 OUT B Output Op-amp B output
8 VCC Power Positive supply (3-32V)
  • Signal conditioning and low-frequency amplification for sensor interfaces
  • Active filter circuits (low-pass, high-pass, band-pass) up to 100 kHz
  • Voltage follower and buffer applications with single-supply biasing
  • Zero-crossing detection and comparator functions
  • Audio preamplifier for cost-sensitive consumer products
Manufacturer Part Number Package Notes
TI LM358BIDR SOIC-8 Next-gen, 36V, 1.2MHz, lower Vos
ON Semiconductor LM358DR2G SOIC-8 Direct equivalent from onsemi
STMicroelectronics LM358DT SOIC-8 Direct equivalent from ST
MCP MCP6002-I/SN SOIC-8 CMOS, 1.8-6V, 1MHz, lower power
TI TL072CDR SOIC-8 JFET input, 3MHz, dual supply
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