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LMC7221 Product Folder

Tiny CMOS Comparator with Rail-to-Rail Input and Open Drain Output

Generic P/N 7221

General
Description

Package
& Models

Samples
& Pricing

Reliability
Metrics

Parametric Table

Parametric Table

Temperature Min (deg C)	-40
Temperature Max (deg C)	85
Channels (Channels)	1
Response Time (us)	4
Supply Min (Volt)	2.70
Supply Max (Volt)	15
SupplyCurrent Per Channel (mA)	.0070

Input Range	R-R Input
Output Bus	Open Drain
Output Current (mA)	45
Offset Voltage (mV)	5, 15
Max Input Bias Current (nA)	.0010
Special Features	Undefined

Datasheet

Title	Size in Kbytes	Date	View Online	Download	Receive via Email
LMC7221 Tiny CMOS Comparator with Rail-To-Rail Input and Open Drain Output	272 Kbytes	23-Aug-00	View Online	Download	Receive via Email
LMC7221 Tiny CMOS Comparator with Rail-To-Rail Input and Open Drain Output (JAPANESE)	506 Kbytes

If you have trouble printing or viewing PDF file(s), see Printing Problems.

Package Availability, Models, Samples & Pricing

Part Number

Package

Status

Models

Samples &
Electronic
Orders

Budgetary Pricing

Std
Pack
Size

Package
Marking

Type

Pins

MSL/Lead-Free Availability

Lead
Time

Qty

SPICE

IBIS

Qty

$US each

LMC7221AIM

8

Full production

N/A

1K+

$0.70

rail
of
95

NSXYTT
LMC72
21AIM

3-5 weeks

15000

LMC7221BIM

8

Full production

N/A

1K+

$0.55

rail
of
95

NSXYTT
LMC72
21BIM

3-5 weeks

5000

LMC7221AIMX

8

Full production

N/A

1K+

$0.70

reel
of
2500

NSXYTT
LMC72
21AIM

3-5 weeks

10000

LMC7221BIMX

8

Full production

N/A

1K+

$0.55

reel
of
2500

NSXYTT
LMC72
21BIM

3-5 weeks

10000

LMC7221AIM5

5

Full production

N/A

1K+

$0.70

reel
of
1000

C01A
ZXTT

17-19 weeks

5000

LMC7221BIM5

5

Full production

N/A

1K+

$0.55

reel
of
1000

C01B
ZXTT

17-19 weeks

0

LMC7221AIM5X

5

Full production

N/A

1K+

$0.70

reel
of
3000

C01A
ZXTT

17-19 weeks

0

LMC7221BIM5X

5

Full production

N/A

1K+

$0.55

reel
of
3000

C01B
ZXTT

17-19 weeks

0

LMC7221 MDC

Full production

N/A

N/A

tray
of
N/A

-

N/A

0

LMC7221 MWC

Full production

N/A

N/A

wafer jar
of
N/A

-

N/A

0

Obsolete Parts

Obsolete Part	Alternate Part or Supplier	Source	Last Time Buy Date
LMC7221AIN	MAX931	MAXIM	09/06/2000
LMC7221BIN	MAX931	MAXIM	09/06/2000

General Description

The LM7221 is a micropower CMOS comparator available in the space saving SOT23-5 package. This makes this comparator 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-this makes the part useful for mixed voltage systems.

For a tiny comparator with a push-pull output, please see the LMC7211 datasheet.

Features

Tiny SOT 23-5 package saves space
Package is less than 1.43 mm thick
Guaranteed specs at 2.7V, 5V, 15V supplies
Typical supply current 7 µA at 5V
Response time of 4 µs at 5V
LMC7221-open drain output
Input common-mode range beyond V- and V+
Low input current

Applications

Mixed voltage battery powered products
Notebooks and PDAs
PCMCIA cards
Mobile communications
Alarm and security circuits
Driving low current LEDs
Direct sensor interface

Reliability Metrics

Part Number	Process	Early Failure Rate - Rejects	Sample Size (EFR)	PPM *	Rel. Rejects	Device Hours	Long Term Failure Rates (FITS)	MTTF
LMC7221 MDC	P2CMOS	0	33300	0	0	1250000	3	353423344
LMC7221 MWC	P2CMOS	0	33300	0	0	1250000	3	353423344
LMC7221AIM	P2CMOS	0	33300	0	0	1250000	3	353423344
LMC7221AIM5	P2CMOS	0	33300	0	0	1250000	3	353423344
LMC7221AIM5X	P2CMOS	0	33300	0	0	1250000	3	353423344
LMC7221AIMX	P2CMOS	0	33300	0	0	1250000	3	353423344
LMC7221BIM	P2CMOS	0	33300	0	0	1250000	3	353423344
LMC7221BIM5	P2CMOS	0	33300	0	0	1250000	3	353423344
LMC7221BIM5X	P2CMOS	0	33300	0	0	1250000	3	353423344
LMC7221BIMX	P2CMOS	0	33300	0	0	1250000	3	353423344

For more information on Reliablitity Metrics, please click here.

Design Tools

Title	Size in Kbytes	Date	View Online	Download	Receive via Email
Amplifiers Selection Guide software for Windows	7 Kbytes	28-Jul-2003	View

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[Information as of 15-Jan-2004]