Datasheet > MAX921_09

MAX921_09

更新时间： 2024-10-03 11:14:23

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美信 - MAXIM		比较器
页数	文件大小	规格书
17页	185K
描述
Ultra Low-Power, Single/Dual-Supply Comparators

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MAX921_09 数据手册

19-0115; Rev 6; 4/09

Ultra Low-Power,

Single/Dual-Supply Comparators

_______________General Description

____________________________Features

♦ µMAX^®Package—Smallest 8-Pin SO

The MAX921–MAX924 single, dual, and quad micro-

power, low-voltage comparators feature the lowest

power consumption available. These comparators draw

less than 4µA supply current over temperature

(MAX921/MAX922), and include an internal 1.182V

1ꢀ voltage reference, programmable hysteresis, and

TTL/CMOS outputs that sink and source current.

(MAX921/MAX922/MAX923)

♦ Ultra-Low 4µA Max Quiescent Current

Over Extended Temp. Range (MAX921)

♦ Power Supplies:

Single +2.5V to +11V

Dual 1.25V to 5.5V

Ideal for 3V or 5V single-supply applications, the

MAX921–MAX924 operate from a single +2.5V to +11V

supply (or a 1.25V to 5V dual supply), and each

comparator’s input voltage range swings from the

negative supply rail to within 1.3V of the positive

supply.

♦ Input Voltage Range Includes Negative Supply

♦ Internal 1.182V 1ꢀ ꢁandgap Reꢂerence

♦ Adjustable Hysteresis

♦ TTL/CMOS-Compatible Outputs

The MAX921–MAX924’s unique output stage con-

tinuously sources as much as 40mA. And by eliminating

power-supply glitches that commonly occur when com-

parators change logic states, the MAX921–MAX924

minimize parasitic feedback, which makes them easier to

use.

♦ 12µs Propagation Delay (10mV Overdrive)

♦ No Switching Crowbar Current

♦ 40mA Continuous Source Current

The single MAX921 and dual MAX923 provide a unique

and simple method for adding hysteresis without

feedback and complicated equations, simply by using

the HYST pin and two resistors.

Ordering Information

PART

TEMP RANGE

0°C to +70°C

-40°C to +85°C

-55°C to +125°C

PIN-PACKAGE

8 Plastic DIP

8 SO

MAX921CPA

MAX921CSA

MAX921CUA

MAX921C/D

MAX921EPA

MAX921ESA

MAX921MJA

8 µMAX

Dice*

8 Plastic DIP

8 SO

8 CERDIP

Ordering Information continued at end of data sheet.

*Dice are tested at T = +25°C, DC parameters only.

**Contact factory for availability.

8-Pin

DIP/SO/µMAX

MAX921

MAX922

MAX923

MAX924

Yes

__________Typical Operating Circuit

8-Pin

DIP/SO/µMAX

8-Pin

DIP/SO/µMAX

Yes

V+

16-Pin

DIP/SO/µMAX

IN+

OUT 8

4 IN-

________________________Applications

HYST

Battery-Powered Systems

Threshold Detectors

Window Comparators

Oscillator Circuits

MAX921

6 REF

GND

V-

THRESHOLD DETECTOR

µMAX is a registered trademark of Maxim Integrated Products, Inc.

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim 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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与MAX921_09相关器件

型号	品牌	获取价格	描述	数据表
MAX9210	MAXIM	获取价格	Programmable DC-Balance 21-Bit Deserializers
MAX9210_07	MAXIM	获取价格	Programmable DC-Balance 21-Bit Deserializers
MAX9210_V01	MAXIM	获取价格	Programmable DC-Balance 21-Bit Deserializers
MAX9210ETM	MAXIM	获取价格	Programmable DC-Balance 21-Bit Deserializers
MAX9210ETM+	MAXIM	获取价格	暂无描述
MAX9210EUM	MAXIM	获取价格	Programmable DC-Balance 21-Bit Deserializers
MAX9210EUM+	MAXIM	获取价格	Line Receiver, 4 Func, 4 Driver, 4 Rcvr, CMOS, PDSO48, 6.10 MM, MO-153ED, TSSOP-48
MAX9210EUM+D	MAXIM	获取价格	Line Receiver
MAX9210EUM+TD	MAXIM	获取价格	Line Receiver
MAX9210EUM-D	MAXIM	获取价格	Line Receiver

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