Datasheet > MAX987_07

MAX987_07

更新时间： 2024-11-25 11:14:11

品牌	Logo	应用领域
美信 - MAXIM		比较器
页数	文件大小	规格书
13页	321K
描述
High-Speed, Micropower, Low-Voltage, SOT23, Rail-to-Rail I/O Comparators

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MAX987_07 数据手册

19-1266; Rev 2; 1/07

High-Speed, Micropower, Low-Voltage,

SOT23, Rail-to-Rail I/O Comparators

________________General Description

____________________________Features

The MAX987/MAX988/MAX991/MAX992/MAX995/

MAX996 single/dual/quad micropower comparators

feature low-voltage operation and rail-to-rail inputs and

outputs. Their operating voltage ranges from +2.5V to

+5.5V, making them ideal for both 3V and 5V systems.

These comparators also operate with 1.25V to 2.75V

dual supplies. They consume only 48µA per compara-

tor while achieving a 120ns propagation delay.

♦ 120ns Propagation Delay

♦ 48µA Quiescent Supply Current

♦ +2.5V to +5.5V Single-Supply Operation

♦ Common-Mode Input Voltage Range Extends

250mV Beyond the Rails

♦ Push-Pull Output Stage Sinks and Sources

Input bias current is typically 1.0pA, and input offset volt-

age is typically 0.5mV. Internal hysteresis ensures clean

output switching, even with slow-moving input signals.

8mA Current (MAX987/MAX991/MAX995)

♦ Open-Drain Output Voltage Extends Beyond V

(MAX988/MAX992/MAX996)

The output stage’s unique design limits supply-current

surges while switching, virtually eliminating the supply

glitches typical of many other comparators. The

MAX987/MAX991/MAX995 have a push-pull output

stage that sinks as well as sources current. Large inter-

nal output drivers allow rail-to-rail output swing with

loads up to 8mA. The MAX988/MAX992/MAX996 have

an open-drain output stage that can be pulled beyond

♦ Unique Output Stage Reduces Output Switching

Current, Minimizing Overall Power Consumption

♦ 100µA Supply Current at 1MHz Switching

Frequency

♦ No Phase Reversal for Overdriven Inputs

♦ Available in Space-Saving Packages:

5-Pin SOT23 (MAX987/MAX988)

8-Pin µMAX (MAX991/MAX992)

to 6V (max) above V . These open-drain versions

are ideal for level translators and bipolar to single-

ended converters.

The single MAX987/MAX988 are available in tiny 5-pin

SC70 packages, while the dual MAX991/MAX992 are

available in ultra-small 8-pin SOT23 and µMAX^®pack-

ages.

_______________Ordering Information

PKG

TOP

PART

PIN-PACKAGE

CODE

MARK

X5-1

U5-1

S8-2

MAX987EXK-T

MAX987EUK-T

MAX987ESA

5 SC70-5

5 SOT23-5

8 SO

ABM

ABZB

—

Selector Guide

COMPARATORS

PER PACKAGE

OUTPUT

STAGE

PART

Ordering Information continued at end of data sheet.

Note: All devices specified over the -40°C to +85°C operating

temperature range.

Typical Application Circuit appears at end of data sheet.

MAX987

MAX988

MAX991

MAX992

MAX995

MAX996

Push-Pull

Open-Drain

Push-Pull

Pin Configurations

Open-Drain

Push-Pull

TOP VIEW

Open-Drain

OUT

Applications

Threshold Detectors/

Discriminators

Ground/Supply Sensing

IR Receivers

MAX987

MAX988

Portable/Battery-

Powered Systems

Mobile Communications

Zero-Crossing Detectors

Window Comparators

Level Translators

IN+

IN-

Digital Line Receivers

SOT23/SC70

µMAX is a registered trademark of Maxim Integrated Products,

Inc.

Pin Configurations continued at end of data sheet.

________________________________________________________________ Maxim Integrated Products

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...13

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