Amplifier. LM321 Datasheet

LM321 Datasheet PDF


Part

LM321

Description

Low Power Single Operational Amplifier

Manufacture

etcTI

Page 23 Pages
Datasheet
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LM321 Datasheet
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LM321
SNOS935C – FEBRUARY 2001 – REVISED DECEMBER 2014
LM321 Low Power Single Operational Amplifier
1 Features
1 (VCC = 5 V, TA = 25°C. Typical values unless
specified.)
• Gain-Bandwidth Product 1 MHz
• Low Supply Current 430 µA
• Low Input Bias Current 45 nA
• Wide Supply Voltage Range 3 V to 32 V
• Stable With High Capacitive Loads
• Single Version of LM324
2 Applications
• Chargers
• Power Supplies
• Industrial: Controls, Instruments
• Desktops
• Communications Infrastructure
3 Description
The LM321 brings performance and economy to low
power systems. With a high unity gain frequency and
a specified 0.4-V/µs slew rate, the quiescent current
is only 430-µA/amplifier (5 V). The input common
mode range includes ground and therefore the device
is able to operate in single supply applications as well
as in dual supply applications. It is also capable of
comfortably driving large capacitive loads.
The LM321 is available in the SOT-23 package.
Overall the LM321 is a low power, wide supply range
performance operational amplifier that can be
designed into a wide range of applications at an
economical price without sacrificing valuable board
space.
Device Information(1)
PART NUMBER PACKAGE
BODY SIZE (NOM)
LM321
SOT (5)
2.90 mm × 1.60 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
Simplified Schematic
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.

LM321 Datasheet
LM321
SNOS935C – FEBRUARY 2001 – REVISED DECEMBER 2014
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 3
6.1 Absolute Maximum Ratings ..................................... 3
6.2 ESD Ratings.............................................................. 3
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 4
6.5 Electrical Characteristics........................................... 4
6.6 Typical Characteristics .............................................. 6
7 Detailed Description .............................................. 7
7.1 Overview ................................................................... 7
7.2 Functional Block Diagram ......................................... 7
7.3 Feature Description................................................... 7
7.4 Device Functional Modes.......................................... 8
8 Application and Implementation .......................... 9
8.1 Application Information.............................................. 9
8.2 Typical Applications ................................................ 10
9 Power Supply Recommendations...................... 13
10 Layout................................................................... 13
10.1 Layout Guidelines ................................................. 13
10.2 Layout Example .................................................... 14
11 Device and Documentation Support ................. 15
11.1 Trademarks ........................................................... 15
11.2 Electrostatic Discharge Caution ............................ 15
11.3 Glossary ................................................................ 15
12 Mechanical, Packaging, and Orderable
Information ........................................................... 15
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision B (March 2013) to Revision C
Page
• Added Pin Configuration and Functions section, ESD Ratings table, Feature Description section, Device Functional
Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device
and Documentation Support section, and Mechanical, Packaging, and Orderable Information section .............................. 1
Changes from Revision A (March 2013) to Revision B
Page
• Changed layout of National Data Sheet to TI format ........................................................................................................... 13
2 Submit Documentation Feedback
Product Folder Links: LM321
Copyright © 2001–2014, Texas Instruments Incorporated


Features Datasheet pdf Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM321 SNOS935C – FEBRUARY 2001 – REVISED DECEMBER 2014 LM321 Lo w Power Single Operational Amplifier 1 Features •1 (VCC = 5 V, TA = 25°C. Typical values unless specified.) • G ain-Bandwidth Product 1 MHz • Low Sup ply Current 430 µA • Low Input Bias Current 45 nA • Wide Supply Voltage R ange 3 V to 32 V • Stable With High C apacitive Loads • Single Version of L M324 2 Applications • Chargers • Po wer Supplies • Industrial: Controls, Instruments • Desktops • Communicat ions Infrastructure 3 Description The LM321 brings performance and economy to low power systems. With a high unity g ain frequency and a specified 0.4-V/µs slew rate, the quiescent current is on ly 430-µA/amplifier (5 V). The input c ommon mode range includes ground and th erefore the device is able to operate i n single supply applications as well as in dual supply applications. It is also capable of comfortably driving large capacitive loads..
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