LM2903WDT View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

LM2903WDT

Low-power, dual-voltage comparator

STMicroelectronics 

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LM2903W

Typical application schematics

4

Typical application schematics

Figure 7. Basic comparator

VCC = 5 V

15 kΩ

+V(ref)

1/2

LM2903

VO

-V(ref)

Figure 8. Driving CMOS

5V

+V(ref)

-V(ref)

1/ 2

LM2903

100 kΩ

&

Figure 9. Driving TTL

5V

+V(ref)

-V

(ref)

1/ 2

LM2903

10 kΩ

&

&

Figure 11. Low frequency op-amp

5V

(eo = 0 V for el = 0 V)

15 kΩ

~ el

1/ 2

LM2903

2N 2222

0.5 μF

100 kΩ

1 kΩ

e

o

AV = 100

Figure 10. Low frequency op-amp

5V

~ el

1/2

LM2903

1 kΩ

100 kΩ

AV = 100

15 kΩ

eo

0.5 μF

Figure 12. Transducer amplifier

5V

Magnetic pick-up

10 kΩ

3 kΩ

1/ 2

LM2903

eo

20 MΩ

10 kΩ

Doc ID 022662 Rev 2

7/15

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