Ap358, Low power dual operational amplifiers, Typical single-supply circuit – Diodes AP358 User Manual

Page 4

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AP358

LOW POWER DUAL OPERATIONAL AMPLIFIERS

AP358

Document number: DS31007 Rev. 6 - 2

4 of 16

www.diodes.com

July 2010

© Diodes Incorporated

Typical Single-Supply Circuit

(Continued) (V

+

=5.0V

DC

)

+

-

+

-

+

-

+V

IN

C

1

μF

2N929*

*hi

β AT 100 nA

2I

B

R

IM

I

B

3R

3M

0.001

μF

I

B

2I

B

I

B

I

B

Z

IN

(POLYCARBONATE OR
POLYETHYLENE)

HIGH Z

IN

LOW Z

OUT

V

O

Z

OUT

AUX AMP
INPUT CURRENT
COMPENSATION

Low Drift Peak Detector

1/2 AP358

1/2 AP358

1/2 AP358

Pulse Generator

+

-

V

O

30K

V

+

R1

0.01

1/ 2 AP358

R3

100K

R4

100K

R5

100K

+
0

IN914

R2

150K

μF

High Compliance Current Sink

-

+

+V

IN

R

L

10

I

O

I

O

=0.1 amp / volt V

IN

(increase R

E

for I

O

small)

1/2 AP358

+

-

1/2 AP358

+

-

1/2 AP358

0.05

μF

+V

C

*

OUTPUT1

Voltage Controlled Oscillator (VCO)

51K

51K

R/2

50K

R

100K

10K

100K

V

+

/2 51K

OUTPUT2

*WIDE CONTROL VOLTAGE RANGE: 0 V

DC

< V

C

< 2 (V

+

-1.5V

DC

)

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