LM321 The LM321 is a low-power, single operational amplifier from NS, offering a 1MHz gain-bandwidth product and a wide supply voltage range of 3V to 32V. It is suitable for various applications requiring economical performance.
Mfr Part #:

LM321

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The LM321 is a low-power, single operational amplifier from NS, offering a 1MHz gain-bandwidth product and a wide supply voltage range of 3V to 32V. It is suitable for various applications requiring economical performance.
✓ Total Stock: 364 pcs

LM321 Available from 1 distributor

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LM321 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Operating Temperature Range
Output Current
Package / Case
Slew Rate

LM321 Description

Short technical summary and product information.

The LM321 is a single, low-power operational amplifier designed by NS to provide performance and economy for low-power systems. It features a high unity gain frequency and a specified slew rate, with a quiescent current of only 430 µA per amplifier at 5V. The input common-mode range includes ground, allowing for single-supply operation.

 

Key electrical specifications include a gain-bandwidth product of 1 MHz, a low supply current of 430 µA, and a low input bias current of 45 nA. It operates over a wide supply voltage range from 3V to 32V and is stable with high capacitive loads. The device is available in the SOT-23 package, making it suitable for space-constrained applications.

 

Applications for the LM321 include chargers, power supplies, and industrial controls and instruments. Its combination of low power consumption, wide voltage range, and stable performance makes it a versatile choice for many electronic designs.

LM321 Quick Information

Product Type: Operational Amplifier
Canonical Name: LM321 Low Power Single Operational Amplifier
Subcategory: General-purpose op amps

LM321 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LM321 Features

  • Low power single operational amplifier
  • 1 MHz gain-bandwidth product
  • 430 µA low supply current
  • Wide 3V to 32V supply voltage range
  • Stable with high capacitive loads

LM321 Applications

  • Suitable for chargers
  • Used in power supplies
  • Ideal for industrial controls
  • Applicable to instruments

LM321 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the supply voltage range of the LM321?

The LM321 operates over a supply voltage range of 3 V to 32 V.

What is the operating temperature range of the LM321?

The operating temperature range is -40°C to 85°C.

What package is the LM321 available in?

The LM321 is available in a SOT-23 package.

What is the gain-bandwidth product of the LM321?

The typical gain-bandwidth product is 1 MHz.

What is the typical supply current of the LM321?

The typical supply current is 430 µA at VCC = 5 V and 25°C.

What is the slew rate of the LM321?

The typical slew rate is 0.5 V/µs.

What is the maximum offset voltage of the LM321?

The maximum offset voltage is 7 mV at 25°C.

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