LMC7221BIM5X National Semiconductor, LMC7221BIM5X Datasheet

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LMC7221BIM5X

Manufacturer Part Number
LMC7221BIM5X
Description
IC,VOLT COMPARATOR,SINGLE,CMOS,SOP,8PIN,PLASTIC
Manufacturer
National Semiconductor
Datasheet

Specifications of LMC7221BIM5X

Rohs Compliant
NO

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© 2006 National Semiconductor Corporation
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 5-Pin SOT23 package. This makes this
comparator ideal for space and weight critical designs. The
LMC7221 is also available in the 8-Pin SOIC 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 sys-
tems.
For a tiny comparator with a push-pull output, please see the
LMC7211 datasheet.
Connection Diagrams
Ordering Information
5-Pin SOT23
8-Pin SOIC
Package
8-Pin SOIC
LMC7221AIM5X
LMC7221BIM5X
LMC7221AIMX
LMC7221BIMX
Top View
LMC7221AIM5
LMC7221BIM5
Part Number
LMC7221AIM
LMC7221BIM
DS012346
01234601
Package Marking
LMC7221AIM
LMC7221BIM
C01A
C01B
Features
n Tiny 5-Pin SOT23 package saves space
n Package is less than 1.43 mm thick
n Guaranteed specs at 2.7V, 5V, 15V supplies
n Typical supply current 7 µA at 5V
n Response time of 4 µs at 5V
n LMC7221 — open drain output
n Input common-mode range beyond V
n Low input current
Applications
n Mixed voltage battery powered products
n Notebooks and PDAs
n PCMCIA cards
n Mobile communications
n Alarm and security circuits
n Driving low current LEDs
n Direct sensor interface
2.5k Units Tape and Reel
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
95 Units/Rail
95 Units/Rail
5-Pin SOT23
Top View
and V
September 2006
01234602
NSC Drawing
www.national.com
+
MF05A
M08A

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LMC7221BIM5X Summary of contents

Page 1

... LMC7221AIMX 8-Pin SOIC LMC7221BIM LMC7221BIMX LMC7221AIM5 LMC7221AIM5X 5-Pin SOT23 LMC7221BIM5 LMC7221BIM5X © 2006 National Semiconductor Corporation Features n Tiny 5-Pin SOT23 package saves space n Package is less than 1.43 mm thick n Guaranteed specs at 2.7V, 5V, 15V supplies n Typical supply current 7 µ Response time of 4 µ LMC7221 — ...

Page 2

... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. ESD Tolerance (Note 2) Differential Input Voltage Voltage at Input Voltage at Output Pin + − Supply Voltage (V –V ) Current at Input Pin (Note 6) Current at Output Pin ...

Page 3

Electrical Characteristics Unless otherwise specified, all limits guaranteed for T apply at the temperature extremes. Symbol Parameter V Input Offset Voltage OS TCV Input Offset Voltage OS Temperature Drift Input Offset Voltage Average Drift I Input Current ...

Page 4

AC Electrical Characteristics Unless otherwise specified, all limits guaranteed for T the temperature extreme. Symbol Parameter t Rise Time rise t Fall Time fall t Propagation Delay PHL (High to Low) (Note 10) t Propagation Delay PLH (Low to High) ...

Page 5

Typical Performance Characteristics Supply Current vs. Supply Voltage Output Sinking Current vs. Supply Voltage Output Sinking Current vs. Output Voltage Supply Current vs. Temperature while Sinking 01234603 Output Sinking Current vs. Output Voltage 01234605 @ 15V Response Time for Various ...

Page 6

Typical Performance Characteristics Response Time vs. Various Input Overdrives −t Input Bias Current vs. Common Mode Voltage Input Bias Current vs. Common Mode Voltage www.national.com (Continued) Response Time vs Various Input Overdrives −t PHL 01234609 Input Bias Current vs. Common ...

Page 7

Typical Performance Characteristics Leakage Current vs. Supply Voltage Application Information 1.0 BENEFITS OF THE LMC7221 TINY COMPARATOR Size The small footprint of the 5-Pin SOT23 packaged Tiny Com- parator, (0.120 x 0.118 inches, 3.05 x 3.00 mm) saves space on ...

Page 8

Application Information Direct Sensor Interfacing The wide input voltage range and high impedance of the LMC7221 may make it possible to directly interface to a sensor without the use of amplifiers or bias circuits. In cir- cuits with sensors which ...

Page 9

... Open Drain Output LMC7221 LMC6772 8.0 ADDITIONAL 5-Pin SOT23 TINY DEVICES National Semiconductor has additional parts available in the space saving SOT23 Tiny package, including amplifiers, voltage references, and voltage regulators. These devices include — LMC7101 1 MHz gain-bandwidth rail-to-rail input and output amplifier — ...

Page 10

Application Information 8 mm 7.00 0.059 0.512 0.795 2.165 330.00 1.50 Tape Size A B SOT-23-5 Tape and Reel Specification Tape Section Leader (Start End) Carrier Trailer (Hub End) www.national.com (Continued) REEL DIMENSIONS 0.331 + 0.059/−0.000 13.00 20.20 55.00 8.40 ...

Page 11

SOT-23-5 Tape and Reel Specification 8 mm 0.130 0.124 (3.3) (3.15) Tape Size DIM A DIM Ao (Continued) Tape Dimensions ± 0.130 0.126 0.138 0.002 0.055 ± (3.3) (3.2) (3.5 0.05) DIM B DIM Bo DIM F 11 01234620 ± ...

Page 12

Physical Dimensions www.national.com inches (millimeters) unless otherwise noted 8-Pin Small Outline Package NS Package Number M08A 5-Pin SOT Package NS Package Number MF05A 12 ...

Page 13

... BANNED SUBSTANCE COMPLIANCE National Semiconductor follows the provisions of the Product Stewardship Guide for Customers (CSP-9-111C2) and Banned Substances and Materials of Interest Specification (CSP-9-111S2) for regulatory environmental compliance. Details may be found at: www.national.com/quality/green. ...

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