AU2903D 查看數據表（PDF） - Philips Electronics

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AU2903D

Low power dual voltage comparator

Philips Electronics 

Philips Semiconductors Linear Products

Low power dual voltage comparator

Product specification

AU2903

TYPICAL APPLICATIONS

+ VC

FREQUENCY

CONTROL

VOLTAGE

INPUT

100kΩ

0.1µF

–

10

+

500pF

20kΩ

50kΩ

20kΩ

+

V+

30kΩ

5.1kΩ

.01µF

V – /2

700kΩ

–

+

V + /2

V+

3.0kΩ

OUTPUT 1

OUTPUT 2

–

NOTES:

V+ = 30VDC

+ 250m VDC < VC = 50VDC

700H < fO = 100kHz

Two–Decade High–Frequency VCO

+ V (12VDC)

+ VREF HI

2RS

10KΩ

+

+ VIN

–

RS

LAMP

+ 5VDC

+

2RS –

2N2222

360

+ VREF 4

100

+

–

100k

+ 5VDC

360

+

+ VREF 3 –

100k

VO

100

+ 5VDC

360

+VREF LOW

Limit Comparator

5VDC

+VREF

1.4VDC

+

–

–12VDC

o

VO

10KΩ

-12V

TTL–to–MOS Logic Converter

+

+ VREF 2 –

100k

100

+ 5VDC

360

+

+ VREF 1 –

100k

100

V+

200kΩ 100kΩ

+

0.1µF

–

2.0kΩ

V+

VO

0

200kΩ CRYSTAL

1 – 100kHz

Visible Voltage Indicator

Crystal–Controlled Oscillator

NOTE:

Input of unused comparators should be grounded.

August 31, 1994

303

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