cmp04by-883c Analog Devices, Inc., cmp04by-883c Datasheet

cmp04by-883c

Manufacturer Part Number

cmp04by-883c

Description

Quad Low Power, Precision Comparator

Manufacturer

Analog Devices, Inc.

Datasheet

1.CMP04BY-883C.pdf (8 pages)

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GENERAL DESCRIPTION

Four precision independent comparators comprise the CMP04.

Performance highlights include a very low offset voltage, low

output saturation voltage, and high gain in a single-supply

design. The input voltage range includes ground for single-

supply operation and V– for split supplies. A low power

supply current of 2 mA, which is independent of supply voltage,

makes this the preferred comparator for precision applications

requiring minimal power consumption. Maximum logic inter-

face flexibility is offered by the open-collector TTL output.

REV. D

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, nor for any infringements of patents or other rights of third parties that

may result from its use. No license is granted by implication or otherwise

under any patent or patent rights of Analog Devices. Trademarks and

registered trademarks are the property of their respective companies.

+INPUT

FEATURES

High Gain: 200 V/mV Typ

Single- or Dual-Supply Operation

Input Voltage Range Includes Ground

Low Power Consumption (1.5 mW/Comparator)

Low Input Bias Current: 100 nA Max

Low Input Offset Current: 10 nA Max

Low Offset Voltage: 1 mV Max

Low Output Saturation Voltage: 250 mV @ 4 mA

Logic Output Compatible with TTL, DTL, ECL, MOS,

Directly Replaces LM139/LM239/LM339 Comparators

*SUBSTRATE DIODES

and CMOS

Figure 1. Simplified Schematic (1/4 CMP04)

3.5 A

100 A

V+

3.5 A

100 A

OUTPUT

–INPUT

TYPICAL INTERFACE

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

Fax: 781/326-8703

CMP04

1/4

Figure 2a. Driving CMOS

1/4

Precision Comparator

OUT 2

OUT 1

Figure 2b. Driving TTL

IN 1+

IN 2+

IN 1–

IN 2–

PIN CONNECTIONS

V+

14-Lead SOIC

5.0

CMP04

Quad Low Power,

100k

10k

5.0

OUT 3

OUT 4

GND

IN 4+

IN 4–

IN 3+

IN 3–

1/4 SN7400

CMP04

1/4

CD4011

www.analog.com

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cmp04by-883c Summary of contents

Page 1

... GND IN 1– 4– 2– 3– CMP04 5.0 1/4 3 100k CD4011 1/4 CMP04 12 Figure 2a. Driving CMOS 5.0 3 10k 1/4 CMP04 1/4 SN7400 12 Figure 2b. Driving TTL www.analog.com © 2003 Analog Devices, Inc. All rights reserved. ...

Page 2

CMP04–SPECIFICATIONS ELECTRICAL CHARACTERISTICS Parameter Symbol Input Offset Voltage V OS Input Offset Current I OS Input Bias Current I B Voltage Gain A V Large Signal Response Time t r Small Signal Response Time t r Input Voltage Range CMVR ...

Page 3

ELECTRICAL CHARACTERISTICS Parameter Symbol Input Offset Voltage V OS Input Offset Current I OS Input Bias Current I B Voltage Gain A V Large Signal Response Time t r Small Signal Response Time t r Input Voltage Range CMVR Common-Mode ...

Page 4

CMP04–Typical Performance Characteristics 0.3 0.2 0.1 0 –0.1 –0.2 –0.3 –60 –40 – 100 120 140 TEMPERATURE ( C) TPC 1. Offset Voltage vs. Temperature 160 150 140 130 120 110 100 ...

Page 5

TYPICAL APPLICATIONS V+ 6.2k 1/4 CMP04 * * OR LOGIC WITHOUT PULLUP RESISTOR Figure 4. Output Strobing HIGH REF CMP04 CMP04 LOW REF Figure 5. Limit Comparator +V REF 1/4 ...

Page 6

CMP04 100pF +V IN 1/4 1N914 1M CMP04 0. 1N914 Figure 10. One-Shot Multivibrator V+ 39k 100k 0.375V 100k 100k C Figure 11. AND ...

Page 7

INPUT GATING SIGNAL REV. D 10k 15k 200k 10k V3 51k 10k 1/4 10k CMP04 C1 ...

Page 8

CMP04 4.00 (0.1575) 3.80 (0.1496) 0.25 (0.0098) 0.10 (0.0039) COPLANARITY CONTROLLING DIMENSIONS ARE IN MILLIMETERS; INCH DIMENSIONS (IN PARENTHESES) ARE ROUNDED-OFF MILLIMETER EQUIVALENTS FOR REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN Revision History Location 3/03—Data Sheet changed ...

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