LMC7211AIMX NSC [National Semiconductor], LMC7211AIMX Datasheet

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LMC7211AIMX

Manufacturer Part Number
LMC7211AIMX
Description
Tiny CMOS Comparator with Rail-to-Rail Input and Push-Pull Output
Manufacturer
NSC [National Semiconductor]
Datasheet

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© 1999 National Semiconductor Corporation
LMC7211
Tiny CMOS Comparator with Rail-to-Rail Input and
Push-Pull Output
General Description
The LMC7211 is a micropower CMOS comparator available
in the space saving SOT23-5 package. This makes the com-
parator ideal for space and weight critical designs. The
LMC7211 is supplied in two offset voltage grades, 5 mV and
15 mV.
The main benefits of the Tiny package are most apparent in
small portable electronic devices, such as mobile phones,
pagers, notebook computers, personal digital assistants,
and PCMCIA cards. The rail-to-rail input voltage makes the
LMC7211 a good choice for sensor interfacing, such as light
detector circuits, optical and magnetic sensors, and alarm
and status circuits.
The Tiny Comparator’s outside dimensions (length x width x
height) of 3.05mm x 3.00mm x 1.43mm allow it to fit into tight
spaces on PC boards.
Connection Diagrams
8-Pin SO-8
5-Pin SOT 23-5
Package
8-Pin SO-8
Top View
LMC7211AIM
LMC7211AIMX
LMC7211BIM
LMC7211BIMX
LMC7211AIM5
LMC7211AIM5X
LMC7211BIM5
LMC7211BIM5X
Information
Ordering
DS012337
DS012337-1
M08A
M08A
M08A
M08A
MA05A
MA05A
MA05A
MA05A
NSC Drawing
Number
Features
n Tiny SOT 23-5 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 LMC7211 — push-pull output
n Input common-mode range beyond V− and V+
n Low input current
Applications
n Battery Powered Products
n Notebooks and PDAs
n PCMCIA cards
n Mobile Communications
n Alarm and Security circuits
n Direct Sensor Interface
n Replaces amplifiers used as comparators with better
performance and lower current
LM7211AIM
LM7211AIM
LM7211BIM
LM7211BIM
C00A
C00A
C00B
C00B
Package
Marking
5-Pin SOT23-5
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
Top View
Transport Media
September 1999
DS012337-2
www.national.com

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LMC7211AIMX Summary of contents

Page 1

... The Tiny Comparator’s outside dimensions (length x width x height) of 3.05mm x 3.00mm x 1.43mm allow it to fit into tight spaces on PC boards. Connection Diagrams 8-Pin SO-8 Top View Package Ordering Information LMC7211AIM LMC7211AIMX 8-Pin SO-8 LMC7211BIM LMC7211BIMX LMC7211AIM5 LMC7211AIM5X 5-Pin SOT 23-5 LMC7211BIM5 LMC7211BIM5X © 1999 National Semiconductor Corporation ...

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 (V ) +0.3V to (−V CC Voltage at Input/Output Pin (V ) ...

Page 3

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

Page 4

AC Electrical Characteristics Unless otherwise specified, all limits guaranteed for T the temperature extreme. Symbol Parameter kHz, t Propagation Delay PHL (High to Low) (Note 11) (Note 2.7V ...

Page 5

Typical Performance Characteristics Output Sourcing Current vs Supply Voltage DS012337-18 Output Sinking Current vs Output Voltage @ 5V DS012337-21 Response Time for Various Input Overdrives −t PLH DS012337-24 = 25˚C unless specified (Continued) Single Supply T A Output Sinking Current ...

Page 6

Typical Performance Characteristics Response Time for Various Input Overdrives −t PLH DS012337-26 Response Time for Various Input Overdrives −t PHL DS012337-29 Input Bias Current vs Common Mode Voltage DS012337-32 www.national.com = 25˚C unless specified (Continued) Single Supply T A Response ...

Page 7

Application Information 1.0 Benefits of the LMC7211 Tiny Comparator Size. The small footprint of the SOT 23-5 packaged Tiny Comparator, (0.120 x 0.118 inches, 3.05 x 3.00 mm) saves space on printed circuit boards, and enable the design of smaller ...

Page 8

Application Information FIGURE 2. Circuit for Measurement of the Shoot-Through Current FIGURE 3. Measurement of the Shoot-Through Current From Figure 3 , the shoot-through current for the LMC7211 can be calculated to be 0.2 mA (typical), and the duration is ...

Page 9

Application Information (Continued) DS012337 and FIGURE 4. Positive Feedback for Hysteresis Without Positive Feedback (No Hysteresis) FIGURE 5. With Positive Feedback (Hysteresis or Memory) FIGURE 6. 6.0 Input Protection If ...

Page 10

Application Information 9.0 Additional SOT23-5 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 out- put ...

Page 11

SOT-23-5 Tape and Reel Specification TAPE FORMAT (Continued) Tape Section # Cavities Carrier Trailer 125 (min) (Hub End) TAPE DIMENSIONS 8 mm 0.130 0.124 0.130 0.126 (3.3) (3.15) (3.3) Tape DIM DIM DIM Size (Continued) Cavity Status ...

Page 12

... Physical Dimensions inches (millimeters) unless otherwise noted Order Number LMC7211AIM5, LMC7211AIM5X, LMC7211BIM5 or LMC7211BIM5X Order Number LMC7211AIM, LMC7211AIMX, LMC7211BIM or LMC7211BIMX www.national.com 5-Pin SOT Package NS Package Number MA05A 8-Pin Small Outline Package NS Package Number M08A 12 ...

Page 13

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL ...

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