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LM324PWR

TILM324PWR

Texas Instruments
Standard (General Purpose) Amplifier 4 Circuit 14-TSSOP
Active238,792 in stock
Datasheet Digi-Key Compare Prices

Overview

The LM324PWR is a ubiquitous quad-channel operational amplifier designed for cost-sensitive, general-purpose analog signal processing. It features four independent, high-gain frequency-compensated amplifiers capable of operating from a single power supply ranging from 3V to 30V. This device is particularly well-suited for battery-operated applications due to its ability to handle common-mode input voltages down to the negative supply rail.

Why Choose This Part

The primary advantage of the LM324PWR is its high density of four amplifiers in a compact 14-TSSOP surface-mount package. It eliminates the need for dual power supplies by supporting single-rail operation and maintains a low input bias current of 20nA. Its 1.2 MHz gain bandwidth product and 0.5V/us slew rate make it a stable choice for most low-frequency analog tasks.

Applications

Transducer Amplifiers
Used to amplify small signals from sensors such as thermocouples or pressure transducers in industrial environments.
DC Gain Blocks
Provides reliable signal amplification in control systems and power supply feedback loops.
Active Filters
Utilized in building low-pass, high-pass, and band-pass filters for audio or sensor data conditioning.
Comparator Circuits
The four internal circuits can be configured as simple threshold detectors for battery monitoring or power supply sequencing.

Key Specifications

Slew Rate 0.5V/us
Mounting Type Surface Mount
Amplifier Type Standard (General Purpose)
Package / Case 14-TSSOP (0.173", 4.40mm Width)
Current - Supply 1.4mA (x4 Channels)
Number of Circuits 4
Current - Input Bias 20 nA
Operating Temperature 0degC ~ 70degC (TA)
Gain Bandwidth Product 1.2 MHz
Voltage - Input Offset 3 mV
Supplier Device Package 14-TSSOP
Current - Output / Channel 30 mA
Voltage - Supply Span (Max) 30 V
Voltage - Supply Span (Min) 3 V

Getting Started

To evaluate this part, use a TSSOP-to-DIP adapter for breadboard prototyping or integrate it directly into a PCB layout using standard 0.173-inch width TSSOP footprints. Ensure adequate decoupling capacitors are placed near the VCC pin (Pin 4) and verify that input signals stay within the common-mode range, especially when operating near the 70C maximum temperature limit.

Part of TI LM324 Op-Amps family » LM324

LM324 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Package Slew Rate Current - Supply Current - Input Bias Temp Range Gain Bandwidth Product Stock
LM324PWR (this part) TSSOP-14 0.5V 1.4mA 20 nA 0degC ~ 70degC (TA) 1.2 M 238,792
LM324PT (STMicroelectronics) TSSOP-14 0.4V 1.5mA 20 nA 0degC ~ 70degC 800 k 7,523
LM324BIDR SOIC-14 0.5V 350uA 10 nA -40degC ~ 85degC (.. 1.2 M 2,775
LM324APWR TSSOP-14 0.5V 1.4mA 15 nA 0degC ~ 70degC (TA) 1.2 M 18,885

Also Consider

TLV9004IPWR TITexas Instruments - A modern rail-to-rail alternative offering improved power efficiency and a higher 5 MHz bandwidth.