LM161J National Semiconductor, LM161J Datasheet

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LM161J

Manufacturer Part Number
LM161J
Description
High Speed Differential Comparator
Manufacturer
National Semiconductor
Datasheet

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© 1999 National Semiconductor Corporation
LM161/LM261/LM361
High Speed Differential Comparators
General Description
The LM161/LM261/LM361 is a very high speed differential
input, complementary TTL output voltage comparator with
improved characteristics over the SE529/NE529 for which it
is a pin-for-pin replacement. The device has been optimized
for greater speed performance and lower input offset volt-
age. Typically delay varies only 3 ns for over-drive variations
of 5 mV to 500 mV. It may be operated from op amp supplies
(
Complementary outputs having maximum skew are pro-
vided. Applications involve high speed analog to digital con-
verters and zero-crossing detectors in disk file systems.
Connection Diagrams
Note 1: Also available per SMD # 5962-8757203
±
15V).
See NS Package Number M14A or N14A
Order Number LM161J
Dual-In-Line Package
LM361M or LM361N
Top View
DS005708
DS005708-2
Features
n Independent strobes
n Guaranteed high speed: 20 ns max
n Tight delay matching on both outputs
n Complementary TTL outputs
n Operates from op amp supplies:
n Low speed variation with overdrive variation
n Low input offset voltage
n Versatile supply voltage range
Order Number LM161H/883 (Note 1), or LM361H
See NS Package Number H10C
Metal Can Package
±
15V
DS005708-3
www.national.com
May 1999

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LM161J Summary of contents

Page 1

... Applications involve high speed analog to digital con- verters and zero-crossing detectors in disk file systems. Connection Diagrams Dual-In-Line Package Top View Order Number LM161J LM361M or LM361N See NS Package Number M14A or N14A Note 1: Also available per SMD # 5962-8757203 © 1999 National Semiconductor Corporation ...

Page 2

Logic Diagram * Output is low when current is drawn from strobe pin. www.national.com DS005708-4 2 ...

Page 3

... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. + Positive Supply Voltage, V − Negative Supply Voltage, V Gate Supply Voltage Output Voltage Differential Input Voltage Input Common Mode Voltage Power Dissipation ...

Page 4

... Note 2: The device may be damaged by use beyond the maximum ratings. Note 3: Typical thermal impedances are as follows: Note 4: Measurements using AC Test circuit, Fanout = 1. The devices are faster at low supply voltages. Note 5: Refer to RETS161X for LM161H and LM161J military specifications. Note 6: Human body model, 1 series with 100 pF. ...

Page 5

Typical Performance Characteristics Supply Current vs Ambient Temperature DS005708-11 Delay of Output 1 With Respect to Output 2 vs Ambient Temperature DS005708-14 Propagation Delay vs Supply Voltage DS005708-7 (Continued) Supply Current vs Supply Voltage DS005708-12 Strobe Delay vs Ambient Temperature ...

Page 6

AC Test Circuit = ± FANOUT = 1 FANOUT = +10V 680 V − = −10V 5.25V V ...

Page 7

Schematic Diagram R10, R16: 85 R11, R17: 205 LM161 7 DS005708-1 www.national.com ...

Page 8

... Physical Dimensions inches (millimeters) unless otherwise noted www.national.com Metal Can Package (H) Order Number LM161H/883, or LM361H NS Package Number H10C Ceramic Dual-In-Line Package (J) Order Number LM161J NS Package Number J14A 8 ...

Page 9

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) Order Number LM361M NS Package Number M14A Molded Dual-In-Line Package (N) Order Number LM361N NS Package Number N14A 9 www.national.com ...

Page 10

... NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant ...

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