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LM358DR

TILM358DR

Texas Instruments
Standard (General Purpose) Amplifier 2 Circuit 8-SOIC
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Overview

The LM358DR is a dual-channel, general-purpose operational amplifier designed for cost-sensitive applications requiring operation from a single power supply. It features two independent, high-gain, internally frequency-compensated circuits capable of operating over a wide voltage range from 5V to 30V. This device is a staple in industrial and consumer electronics due to its industry-standard 8-SOIC footprint and predictable performance in low-speed signal conditioning.

Why Choose This Part

The LM358DR offers excellent versatility with a common-mode input range that includes ground, allowing direct sensing at 0V in single-supply configurations. It is highly power-efficient for a dual op-amp, drawing only 500uA per channel, and its wide 5V to 30V supply range accommodates various logic and industrial voltage rails.

Applications

Transducer Amplifiers
Interfacing with low-frequency sensors such as thermocouples or pressure sensors in battery-powered systems.
DC Gain Blocks
Providing simple signal amplification in circuits where a ground-referenced single supply is used.
Current Sensing
Low-side current monitoring in power supply management and motor control loops.
Comparator Circuits
Utilizing the high open-loop gain for simple threshold detection in non-critical timing applications.

Key Specifications

Slew Rate 0.3V/us
Mounting Type Surface Mount
Amplifier Type Standard (General Purpose)
Package / Case 8-SOIC (0.154", 3.90mm Width)
Current - Supply 500uA (x2 Channels)
Number of Circuits 2
Current - Input Bias 20 nA
Operating Temperature 0degC ~ 70degC (TA)
Gain Bandwidth Product 700 kHz
Voltage - Input Offset 3 mV
Supplier Device Package 8-SOIC
Current - Output / Channel 40 mA
Voltage - Supply Span (Max) 30 V
Voltage - Supply Span (Min) 3 V

Getting Started

Engineers typically prototype with the LM358 on a breadboard using a DIP-8 adapter or by using an SOIC-8 breakout board. Since it is a standard analog component, it requires no software; simply ensure proper decoupling with a 0.1uF ceramic capacitor close to the VCC pin and observe the 700 kHz gain bandwidth limitations during circuit design.

Also Consider

LM2904DR TITexas Instruments - Identical pinout and similar performance but rated for a wider automotive temperature range of -40 deg C to 125 deg C.
TLV9002IDR TITexas Instruments - A modern rail-to-rail alternative with higher bandwidth and lower power consumption for low-voltage applications.