LMC7221

更新时间： 2024-11-25 22:51:51

品牌	Logo	应用领域
美国国家半导体 - NSC		比较器
页数	文件大小	规格书
12页	275K
描述
Tiny CMOS Comparator with Rail-To-Rail Input and Open Drain Output

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数据手册

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LMC7221 数据手册

September 1999

LMC7221

Tiny CMOS Comparator with Rail-To-Rail Input and Open

Drain Output

n Guaranteed specs at 2.7V, 5V, 15V supplies

n Typical supply current 7 µA at 5V

The LM7221 is a micropower CMOS comparator available in

n Response time of 4 µs at 5V

General Description

the space saving SOT23-5 package. This makes this com-

parator ideal for space and weight critical designs. The

LMC7221 is also available in the SO-8 package. The

n LMC7221 — open drain output

n Input common-mode range beyond V− and V+

n Low input current

LMC7221 is supplied in two offset voltage grades, 5 mV and

15 mV.

Applications

The open drain output can be pulled up with a resistor to a

voltage which can be higher or lower than the supply

voltage — this makes the part useful for mixed voltage sys-

tems.

n Mixed voltage battery powered products

n Notebooks and PDAs

n PCMCIA cards

For a tiny comparator with a push-pull output, please see the

LMC7211 datasheet.

n Mobile communications

n Alarm and security circuits

n Driving low current LEDs

n Direct sensor interface

Features

n Tiny SOT 23-5 package saves space

n Package is less than 1.43 mm thick

Connection Diagrams

8–Pin SO-8

5-Pin SOT23-5

DS012346-1

DS012346-2

Top View

Ordering Information

Package

Ordering

Information

NSC Drawing

Number

M08A

Package

Transport Media

Marking

LMC7221AIM

LMC7221AIMX

LMC7221BIM

LMC7221BIMX

LMC7221AIM5

LMC7221AIM Rails

M08A

LMC7221AIM 2.5k Units Tape and Reel

LMC7221BIM Rails

8-Pin SO-8

M08A

LMC7221BIM 2.5k Units Tape and Reel

MA05A

C01A

C01B

1k Units Tape and Reel

3k Units Tape and Reel

1k Units Tape and Reel

3k Units Tape and Reel

LMC7221AIM5X MA05A

LMC7221BIM5 MA05A

LMC7221BIM5X MA05A

5-Pin SOT 23-5

DS012346

www.national.com

12 3 4 5 6 7...12

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LMC7221AIM5X	NSC	获取价格	Tiny CMOS Comparator with Rail-To-Rail Input and Open Drain Output
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LMC7221AIM5X/NOPB	TI	获取价格	LMC7221 Tiny CMOS Comparator with Rail-To-Rail Input and Open Drain Output