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LMC7221BIMX Datasheet

  • LMC7221BIMX

  • Tiny CMOS Comparator with Rail-To-Rail Input and Open Drain ...

  • 12頁

  • NSC

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LMC7221 Tiny CMOS Comparator with Rail-To-Rail Input and Open Drain Output
September 1999
LMC7221
Tiny CMOS Comparator with Rail-To-Rail Input and Open
Drain Output
General Description
The LM7221 is a micropower CMOS comparator available in
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
LMC7221 is supplied in two offset voltage grades, 5 mV and
15 mV.
The open drain output can be pulled up with a resistor to a
voltage which can be higher or lower than the supply
voltage 鈥?this makes the part useful for mixed voltage sys-
tems.
For a tiny comparator with a push-pull output, please see the
LMC7211 datasheet.
n
n
n
n
n
n
Guaranteed specs at 2.7V, 5V, 15V supplies
Typical supply current 7 碌A(chǔ) at 5V
Response time of 4 碌s at 5V
LMC7221 鈥?open drain output
Input common-mode range beyond V鈭?and V+
Low input current
Applications
n
n
n
n
n
n
n
Mixed voltage battery powered products
Notebooks and PDAs
PCMCIA cards
Mobile communications
Alarm and security circuits
Driving low current LEDs
Direct sensor interface
Features
n
Tiny SOT 23-5 package saves space
n
Package is less than 1.43 mm thick
Connection Diagrams
8鈥揚in SO-8
5-Pin SOT23-5
DS012346-1
DS012346-2
Top View
Top View
Ordering Information
Package
Ordering
Information
LMC7221AIM
8-Pin SO-8
LMC7221AIMX
LMC7221BIM
LMC7221BIMX
LMC7221AIM5
5-Pin SOT 23-5
LMC7221AIM5X
LMC7221BIM5
LMC7221BIM5X
NSC Drawing
Number
M08A
M08A
M08A
M08A
MA05A
MA05A
MA05A
MA05A
Package
Marking
LMC7221AIM
LMC7221AIM
LMC7221BIM
LMC7221BIM
C01A
C01A
C01B
C01B
Rails
2.5k Units Tape and Reel
Rails
2.5k Units Tape and Reel
1k Units Tape and Reel
3k Units Tape and Reel
1k Units Tape and Reel
3k Units Tape and Reel
Transport Media
漏 1999 National Semiconductor Corporation
DS012346
www.national.com

LMC7221BIMX 產(chǎn)品屬性

  • 2,500

  • 集成電路 (IC)

  • 線性 - 比較器

  • -

  • 通用

  • 1

  • 開路漏極

  • 2.7 V ~ 15 V，±1.35 V ~ 7.5 V

  • 15mV @ 5V

  • 0.04pA @ 5V

  • 30mA

  • 14µA

  • 75dB CMRR，80dB PSRR

  • 10µs

  • -

  • -40°C ~ 85°C

  • 8-SOIC（0.154"，3.90mm 寬）

  • 表面貼裝

  • 帶卷 (TR)

  • *LMC7221BIMX

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