MAX973ESA+T

更新时间： 2024-02-01 12:38:50

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MAX973ESA+T 数据手册

19-0450; Rev 3; 2/03

Ultra-Low-Power, Open-Drain,

Single/Dual-Supply Comparators

General Description

Features

The MAX971–MAX974 and MAX981–MAX984 single/

dual/quad low-voltage comparators feature the lowest

power consumption available. These micropower

devices draw less than 4µA supply current over

temperature (MAX971/MAX972/MAX981/MAX982), and

include an internal 1.182V 1ꢀ (MAX971/MAX97ꢁ/

MAX974) or 2ꢀ (MAX981–MAX984) voltage reference

and programmable hysteresis.

ꢀ Available in Ultra-Small Packages:

UCSP™ (MAX972)

µMAX (MAX9_1/MAX9_2/MAX9_3)

ꢀ Ultra-Low Quiescent Current (4µA, max)

Over Extended Temp Range (MAX971/MAX981)

ꢀ Power Supplies:

Single 2.5V to 11V

Dual 1.25V to 5.5V

Ideal for ꢁV or 5V single-supply applications, these

devices operate from a single 2.5V to 11V supply (or

1.25V to 5.5V dual supplies), and each comparatorꢂs

input voltage ranges from the negative supply rail to within

1.ꢁV of the positive supply.

ꢀ Input Voltage Range Includes Negative Supply

ꢀ Internal Bandgap Reference

1.182V 1% (MAX97_)

1.182V 2% (MAX98_)

The single MAX971/MAX981 and the dual MAX97ꢁ/

MAX982/MAX98ꢁ provide a unique, simple method for

adding hysteresis without feedback or complicated

equations, simply by using the HYST pin plus two

resistors.

ꢀ 12µs Propagation Delay (10mV Overdrive)

ꢀ Output Has Separate GND Pin (MAX9_1/MAX9_4)

Applications

Battery-Powered

Systems

Window Comparators

Level Translators

The MAX971–MAX974 and MAX981–MAX984ꢂs open-

drain outputs permit wire-ORed configurations. Thanks to

an 11V output range and separate GND pin for the output

transistor (MAX971/MAX974, MAX981/MAX984), these

devices are ideal for level translators and bipolar to single-

ended converters. For similar devices with complementary

output stages, see the MAX921–MAX924 (1ꢀ reference)

and the MAX9ꢁ1–MAX9ꢁ4 (2ꢀ reference).

Threshold Detectors

Oscillator Circuits

Ordering Information

PART

TEMP RANGE

PIN-PACKAGE

8 Plastic Dip

8 SO

MAX971CPA

MAX971CSA

MAX971CUA

0°C to +70°C

8 µMAX

Ordering Information continued at end of data sheet.

Typical Operating Circuit

8-Pin

DIP/SO/µMAX

MAX971

MAX972

MAX97ꢁ

MAX974

MAX981

MAX982

MAX98ꢁ

MAX984

1ꢀ

None

1ꢀ

Yes

V+

8-Pin UCSP/

DIP/SO/µMAX

IN+

8-Pin

DIP/SO/µMAX

OUT 8

Yes

4 IN-

1ꢀ

16-Pin DIP/SO

HYST

8-Pin

DIP/SO/µMAX

2ꢀ

Yes

MAX971

MAX981

6 REF

8-Pin

DIP/SO/µMAX

2ꢀ

GND

V-

8-Pin

DIP/SO/µMAX

2ꢀ

THRESHOLD DETECTOR

UCSP is a trademark of Maxim Integrated Products, Inc.

2ꢀ

16-Pin DIP/SO

________________________________________________________________________________________

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...17

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MAX973ESA+T 替代型号

型号	品牌	替代类型	描述	数据表
MAX973CSA+	MAXIM	完全替代	Comparator, 2 Func, 10000uV Offset-Max, 300000ns Response Time, PDSO8, 0.150 INCH, SOIC-8

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