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AP393NG-U

LOW POWER LOW OFFSET VOLTAGE DUAL COMPARATORS

Diodes Incorporated. 

AP393

LOW POWER LOW OFFSET VOLTAGE DUAL

COMPARATORS

Typical Circuit ( Continued ) ( VCC = 5.0VDC )

V+

R1 D1

1M 1N914 * 15K

R2

D2

100K 1N914

80 pF

1M

+15VDC

-

1/2 AP393

+

1M

6µs 60µs -V+

tOt1

t2 0

VO

1M

*For large ratios of R1/R2, D1 can

be omitted

Pulse Generator

V+

200K

0.1µF

100K

-

1/2 AP393

+

2.0K

V+

0

VO

200K

CRYSTAL

f=100KHz

Crystal Controlled Oscillator

+VC

FREQUENCY

CONTROL

VOLTAGE

INPUT

100K

10

0.1µF

V+

100K

-

500pF

1/2 AP393

+

3.0K

5.1K +

0.01µF

1/2 AP393

20K

50K

20K

V+/2

-

-

V+/2

1/2 AP393

V+

3.0K

OUTPUT1

OUTPUT2

+

Two-Decade High Frequency VCO

V*=+30VDC

+250mVDC < VC < +50VDC

700Hz < fO < 100KHz

V+

V+

+VIN

+VREF

+

1/2 AP393

-

3.0K

VO

+VREF

10K

+VIN

-

1/2 AP393

+

10M

3K

VO

Basic Comparator

Non-Inverting Comparator with

Hysteresis

AP393 Rev. 3

7 of 15

www.diodes.com

FEBRUARY 2007

© Diodes Incorporated

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