LM161 NSC | Alldatasheet

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Technical content

Features

n Guaranteed high speed: 20 ns max n Tight delay matching on both outputs n Complementary TTL outputs n Operates from op amp supplies:±15V n Low speed variation with overdrive variation n Low input offset voltage n Versatile supply voltage range Connection Diagrams Dual-In-Line Package DS005708-2 Top View Order Number LM161J LM361M or LM361N See NS Package Number M14A or N14A Metal Can Package DS005708-3 Order Number LM161H/883 (Note 1), or LM361H See NS Package Number H10C Note 1:Also available per SMD#5962-8757203 May 1999 LM161/LM261/LM361 High Speed Differential Comparators © 1999 National Semiconductor Corporation DS005708 www.national.com

*Output is low when current is drawn from strobe pin. www.national.com 2

Absolute Maximum Ratings(Note 2) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Positive Supply Voltage, V + +16V Negative Supply Voltage, V− −16V Gate Supply Voltage, VCC +7V Output Voltage +7V Differential Input Voltage ±5V Input Common Mode Voltage ±6V Power Dissipation 600 mW Storage Temperature Range −65˚C to +150˚C Operating Temperature Range T MIN TMAX LM161 −55˚C to +125˚C LM261 −25˚C to +85˚C LM361 0˚C to +70˚C Lead Temp. (Soldering, 10 seconds) 260˚C For Any Device Lead Below V − 0.3V Operating Conditions Min Typ Max Supply Voltage V+ LM161/LM261 5V 15V LM361 5V 15V Supply Voltage V LM161/LM261 −6V −15V LM361 −6V −15V Supply Voltage V CC LM161/LM261 4.5V 5V 5.5V LM361 4.75V 5V 5.25V ESD Tolerance (Note 6) 1600V Soldering Information Dual-In-Line Package Soldering (10 seconds) 260˚C Small Outline Package Vapor Phase (60 seconds) 215˚C Infrared (15 seconds) 220˚C See AN-450 “Surface Mounting Methods and Their Effect on Product Reliability” for other methods of soldering surface mount devices.

Electrical Characteristics

(V+ = +10V, VCC = +5V, V− = −10V, TMIN ≤ TA ≤ TMAX , unless noted) Limits Parameter Conditions LM161/LM261 LM361 Units Min Typ Max Min Typ Max Input Offset Voltage 1 3 1 5 mV Input Bias Current T A =25˚C 5 10 µA 20 30 µA Input Offset Current T A =25˚C 2 2 µA 35 µ A Voltage Gain T A =25˚C 3 3 V/mV Input Resistance T A =25˚C, f=1 kHz 20 20 k Ω ISOURCE =−0.5 mA Logical “0” Output Voltage V CC =4.75V, 0.4 0.4 V ISINK =6.4 mA Strobe Input “1” Current V CC =5.25V, 200 200 µA (Output Enabled) V STROBE =2.4V Strobe Input “0” Current V CC =5.25V, −1.6 −1.6 mA (Output Disabled) V STROBE =0.4V Strobe Input “0” Voltage V CC =4.75V 0.8 0.8 V Strobe Input “1” Voltage V CC =4.75V 2 2 V Output Short Circuit Current V CC =5.25V, VOUT =0V −18 −55 −18 −55 mA V+=10V, V−=−10V, VCC =5.25V, Supply Current I+ 4.5 mA V+=10V, V−=−10V, VCC =5.25V, 0˚C≤TA≤70˚C Supply Current I+ 5m A V+=10V, V−=−10V, VCC =5.25V, Supply Current I− 10 mA www.national.com3

Electrical Characteristics(Continued) (V+ = +10V, VCC = +5V, V− = −10V, TMIN ≤ TA ≤ TMAX , unless noted) Limits Parameter Conditions LM161/LM261 LM361 Units Min Typ Max Min Typ Max V+=10V, V−=−10V,VCC =5.25V, 0˚C≤TA≤70˚C Supply Current I− 10 mA V+=10V, V−=−10V, Supply Current ICC VCC =5.25V, 18 mA V+=10V, V−=−10V, Supply Current ICC VCC =5.25V, 20 mA 0˚C≤TA≤70˚C Transient Response V IN = 50 mV overdrive (Note 4) Propagation Delay Time (tpd(0))T A =25˚C 14 20 14 20 ns Propagation Delay Time (tpd(1))T A =25˚C 14 20 14 20 ns Delay Between Output A and B TA =25˚C 2 5 2 5 ns Strobe Delay Time (tpd(0))T A =25˚C 8 8 ns Strobe Delay Time (tpd(1))T A =25˚C 8 8 ns 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, 1.5 kΩ in series with 100 pF. Typical Performance Characteristics DS005708-17 Offset Voltage DS005708-8 Input Currents vs Ambient Temperature DS005708-9 Input Characteristics DS005708-10 www.national.com 4

Typical Performance Characteristics(Continued) Supply Current vs Ambient Temperature DS005708-11 Supply Current vs Supply Voltage DS005708-12 Propagation Delay vs Ambient Temperature DS005708-13 Delay of Output 1 With Respect to Output 2 vs Ambient Temperature DS005708-14 Strobe Delay vs Ambient Temperature DS005708-15 Common-Mode Pulse Response DS005708-16 Propagation Delay vs Supply Voltage DS005708-7 www.national.com5

VIN = ±50 mV FANOUT = 1 FANOUT = 4 V+ = +10V R = 2.4k R = 680Ω V− = −10V C =15 pF C = 30 pF VCC = 5.25V www.national.com 6

R10, R16: 85 R11, R17: 205 www.national.com7

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

Physical Dimensionsinches (millimeters) unless otherwise noted (Continued) Order Number LM361M Molded Dual-In-Line Package (N) Order Number LM361N www.national.com9

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 into the body, or (b) support or sustain life, and whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user. 2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. National Semiconductor Corporation Americas Tel: 1-800-272-9959 Fax: 1-800-737-7018 Email: support@nsc.com National Semiconductor Europe Fax: +49 (0) 1 80-530 85 86 Email: europe.support@nsc.com Deutsch Tel: +49 (0) 1 80-530 85 85 English Tel: +49 (0) 1 80-532 78 32 Français Tel: +49 (0) 1 80-532 93 58 Italiano Tel: +49 (0) 1 80-534 16 80 National Semiconductor Asia Pacific Customer Response Group Tel: 65-2544466 Fax: 65-2504466 Email: sea.support@nsc.com National Semiconductor Japan Ltd. Tel: 81-3-5639-7560 Fax: 81-3-5639-7507 www.national.com LM161/LM261/LM361 High Speed Differential Comparators National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications.