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LM293-N Datasheet Preview

LM293-N Datasheet

Low-Power Low-Offset Voltage Dual Comparators

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LM193-N, LM2903-N, LM293-N, LM393-N
SNOSBJ6G – OCTOBER 1999 – REVISED OCTOBER 2018
LMx93-N, LM2903-N Low-Power, Low-Offset Voltage, Dual Comparators
1 Features
1 Wide Supply
– Voltage Range: 2.0 V to 36 V
– Single or Dual Supplies: ±1.0 V to ±18 V
• Very Low Supply Current Drain (0.4 mA) —
Independent of Supply Voltage
• Low Input Biasing Current: 25 nA
• Low Input Offset Current: ±5 nA
• Maximum Offset voltage: ±3 mV
• Input Common-Mode Voltage Range Includes
Ground
• Differential Input Voltage Range Equal to the
Power Supply Voltage
• Low Output Saturation Voltage: 250 mV at 4 mA
• Output Voltage Compatible with TTL, DTL, ECL,
MOS and CMOS logic systems
• Available in the 8-Bump (12 mil) DSBGA Package
• See AN-1112 (SNVA009) for DSBGA
Considerations
• Advantages
– High Precision Comparators
– Reduced VOS Drift Over Temperature
– Eliminates Need for Dual Supplies
– Allows Sensing Near Ground
– Compatible with All Forms of Logic
– Power Drain Suitable for Battery Operation
2 Applications
• Battery Powered Applications
• Industrial Applications
3 Description
The LM193-N series consists of two independent
precision voltage comparators with an offset voltage
specification as low as 2.0 mV max for two
comparators which were designed specifically to
operate from a single power supply over a wide range
of voltages. Operation from split power supplies is
also possible and the low power supply current drain
is independent of the magnitude of the power supply
voltage. These comparators also have a unique
characteristic in that the input common-mode voltage
range includes ground, even though operated from a
single power supply voltage.
Application areas include limit comparators, simple
analog to digital converters; pulse, squarewave and
time delay generators; wide range VCO; MOS clock
timers; multivibrators and high voltage digital logic
gates. The LM193-N series was designed to directly
interface with TTL and CMOS. When operated from
both plus and minus power supplies, the LM19-N
series will directly interface with MOS logic where
their low power drain is a distinct advantage over
standard comparators.
The LM393 and LM2903 parts are available in TI’s
innovative thin DSBGA package with 8 (12 mil) large
bumps.
Device Information(1)
PART NUMBER PACKAGE
BODY SIZE (NOM)
LM193-N
LM293-N
TO-99 (8)
9.08 mm x 9.08 mm
LM393-N
SOIC (8)
DSBGA (8)
4.90 mm x 3.91 mm
1.54 mm x 1.54 mm
LM2903-N
SOIC (8)
DSBGA (8)
4.90 mm x 3.91 mm
1.54 mm x 1.54 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
Simplified Schematic
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.




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LM293-N Datasheet Preview

LM293-N Datasheet

Low-Power Low-Offset Voltage Dual Comparators

No Preview Available !

LM193-N, LM2903-N, LM293-N, LM393-N
SNOSBJ6G – OCTOBER 1999 – REVISED OCTOBER 2018
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ..................................... 4
6.2 ESD Ratings ............................................................ 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 5
6.5 Electrical Characteristics: LM193A V+= 5 V, TA =
25°C ........................................................................... 5
6.6 Electrical Characteristics: LM193A (V+ = 5 V) ......... 5
6.7 Electrical Characteristics: LMx93 and LM2903 V+= 5
V, TA = 25°C .............................................................. 6
6.8 Electrical Characteristics: LMx93 and LM2903 (V+ =
5 V)(1) ......................................................................... 7
6.9 Typical Characteristics: LMx93 and LM193A............ 8
6.10 Typical Characteristics: LM2903 ............................ 9
7 Detailed Description ............................................ 10
7.1 Overview ................................................................. 10
7.2 Functional Block Diagram ....................................... 10
7.3 Feature Description................................................. 10
7.4 Device Functional Modes........................................ 10
8 Application and Implementation ........................ 11
8.1 Application Information............................................ 11
8.2 Typical Applications ................................................ 11
9 Power Supply Recommendations...................... 18
10 Layout................................................................... 18
10.1 Layout Guidelines ................................................. 18
10.2 Layout Example .................................................... 18
11 Device and Documentation Support ................. 19
11.1 Related Links ........................................................ 19
11.2 Receiving Notification of Documentation Updates 19
11.3 Trademarks ........................................................... 19
11.4 Electrostatic Discharge Caution ............................ 19
11.5 Glossary ................................................................ 19
12 Mechanical, Packaging, and Orderable
Information ........................................................... 19
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision F (December 2014) to Revision G
Page
• Added DSBGA packages inadvertantly omitted from Device Info table during format conversion........................................ 1
Changes from Revision E (March 2013) to Revision F
Page
• Added Pin Configuration and Functions section, ESD Ratings table, Feature Description section, Device Functional
Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device
and Documentation Support section, and Mechanical, Packaging, and Orderable Information section .............................. 1
Changes from Revision D (March 2013) to Revision E
Page
• Changed layout of National Data Sheet to TI format ............................................................................................................ 1
2 Submit Documentation Feedback
Copyright © 1999–2018, Texas Instruments Incorporated
Product Folder Links: LM193-N LM2903-N LM293-N LM393-N


Part Number LM293-N
Description Low-Power Low-Offset Voltage Dual Comparators
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