LM2903N STMicroelectronics, LM2903N Datasheet

IC COMPARATOR LP DUAL 8-DIP

LM2903N

Manufacturer Part Number
LM2903N
Description
IC COMPARATOR LP DUAL 8-DIP
Manufacturer
STMicroelectronics
Type
General Purposer
Datasheets

Specifications of LM2903N

Number Of Elements
2
Output Type
CMOS, DTL, ECL, MOS, Open-Collector, TTL
Voltage - Supply
2 V ~ 36 V, ±1 V ~ 18 V
Mounting Type
Through Hole
Package / Case
8-DIP (0.300", 7.62mm)
Number Of Channels
2 Channels
Response Time
1.3 us
Offset Voltage (max)
7 mV
Input Bias Current (max)
25 nA
Supply Voltage (max)
36 V
Supply Voltage (min)
18 V
Supply Current (max)
1 mA
Maximum Power Dissipation
1250 mW
Maximum Operating Temperature
+ 125 C
Mounting Style
Through Hole
Minimum Operating Temperature
- 40 C
Amplifier Type
Comparator
Comparator Type
Voltage
Current, Input Bias
25 nA
Current, Input Offset
5 nA
Current, Offset, Input
5 nA (Typ.)
Current, Output
0.1 nA
Current, Supply
1 mA
Impedance, Thermal
85 °C/W
Number Of Amplifiers
Dual
Number Of Circuits
2
Package Type
DIP-8
Power Dissipation
1250 mW
Temperature, Operating, Maximum
125 °C
Temperature, Operating, Minimum
-40 °C
Temperature, Operating, Range
-40 to +125 °C
Temperature, Storage
-65 to +150 °C
Voltage, Differential Input
±36 V
Voltage, Gain
200 V/mV
Voltage, Input
-0.3 to +36 V
Voltage, Input Offset
1 mV
Voltage, Offset, Input
1 mV (Typ.)
Voltage, Saturation
250 mV (Typ.)
Voltage, Supply
±1 to ±18 V
No. Of Comparators
2
Ic Output Type
CMOS, MOS, TTL, DTL, ECL
Supply Current
1mA
Supply Voltage Range
± 1V To ± 18V
Amplifier Case Style
DIP
Rohs Compliant
Yes
Output Compatibility
CMOS, DTL, ECL, MOS, TTL
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
497-1560-5

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Features
Description
This device consists of two independent low
power voltage comparators designed specifically
to operate from a single supply over a wide range
of voltages. Operation from split power supplies is
also possible.
This comparator also has a unique characteristic:
the input common-mode voltage range includes
the negative rail even though operated from a
single power supply voltage.
December 2009
Wide single supply voltage range or dual
supplies +2 V to +36 V or ±1 V to ±18 V
Very low supply current (0.4 mA) independent
of supply voltage (1 mW/comparator at +5 V)
Low input bias current: 25 nA typ.
Low input offset current: ±5 nA typ.
Input common-mode voltage range includes
negative rail
Low output saturation voltage:
250 mV typ. (I
Differential input voltage range equal to the
supply voltage
TTL, DTL, ECL, MOS, CMOS compatible
outputs
O
= 4 mA)
Doc ID 2470 Rev 8
Low power dual voltage comparator
(Thin shrink small outline package)
Pin connections (top view)
1 - Output 1
2 - Inverting input 1
3 - Non-inverting input 1
4 - V
5 - Non-inverting input 2
6 - Inverting input 2
7 - Output 2
8 - V
(Plastic micropackage)
CC
CC
(Plastic package)
-
+
TSSOP8
SO-8
DIP8
N
D
P
LM2903
www.st.com
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LM2903N Summary of contents

Page 1

Features ■ Wide single supply voltage range or dual supplies + + ± ±18 V ■ Very low supply current (0.4 mA) independent of supply voltage (1 mW/comparator ■ Low input ...

Page 2

Schematic diagram 1 Schematic diagram Figure 1. Schematic diagram (1/2 LM2903) Non-inverting Inverting input 2/15 3.5 μA input Doc ID 2470 Rev 8 3.5 μA 100 μA 100 μA LM2903 ...

Page 3

LM2903 2 Absolute maximum ratings and operating conditions Table 1. Absolute maximum ratings Symbol V Supply voltage CC V Differential input voltage id V Input voltage in Output short-circuit to ground Thermal resistance junction to ambient DIP8 R thja SO-8 ...

Page 4

Electrical characteristics 3 Electrical characteristics + - Table Symbol (1) Input offset voltage V io ≤ T ≤ min amb max Input offset current I io ≤ T ≤ T ...

Page 5

LM2903 Figure 2. Supply current vs. supply voltage Figure 4. Output saturation voltage vs. output current Figure 6. Response time for various input overdrives - positive transition Figure 3. Input current vs. supply voltage Figure 5. Response time for various ...

Page 6

Typical application schematics 4 Typical application schematics Figure 7. Basic comparator V 15 kΩ +V (ref) 1/2 LM2903 -V (ref) Figure 9. Driving TTL (ref LM2903 -V (ref) Figure 11. Low frequency op-amp (e = ...

Page 7

LM2903 Figure 13. Low frequency op- amp with offset adjust 5 V Offset adjust 100 kΩ MΩ kΩ Figure 15. Limit comparator 10 kΩ (ref) 1/ ...

Page 8

Typical application schematics Figure 19. Time delay generator (ref.) Input gating signal ...

Page 9

LM2903 5 Package information In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: www.st.com. ® ...

Page 10

Package information 5.1 DIP8 package information Figure 21. DIP8 package mechanical drawing Table 4. DIP8 package mechanical data Ref 10/15 Dimensions Millimeters Min. Typ. Max. 5.33 0.38 ...

Page 11

LM2903 5.2 SO-8 package information Figure 22. SO-8 package mechanical drawing Table 5. SO-8 package mechanical data Ref ccc Dimensions Millimeters Min. Typ. Max. 1.75 0.10 0.25 ...

Page 12

Package information 5.3 TSSOP8 package information Figure 23. TSSOP8 package mechanical drawing Table 6. TSSOP8 package mechanical data Ref aaa 12/15 Dimensions Millimeters Min. Typ. Max. 1.20 0.05 ...

Page 13

... Temperature Package range DIP8 SO-8 TSSOP8 -40°C to +125°C SO-8 (Automotive grade) TSSOP8 (Automotive grade) Doc ID 2470 Rev 8 Ordering information Packing Marking Tube LM2903N Tube or tape & reel 2903 Tape & reel Tube or tape & reel 2903Y Tape & reel 13/15 ...

Page 14

Revision history 7 Revision history Table 8. Document revision history Date 15-Jun-2003 2-May-2005 8-Aug-2005 27-Oct-2005 11-May-2007 17-Jan-2008 21-Feb-2008 03-Dec-2009 14/15 Revision 1 Initial release. 2 PPAP references inserted in the datasheet see table order code p1. Electrical characteristics table corrected ...

Page 15

... LM2903 Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...

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