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AP358

LOW POWER DUAL OPERATIONAL AMPLIFIERS

Diodes Incorporated. 

AP358

LOW POWER DUAL OPERATIONAL AMPLIFIERS

Typical Single-Supply Circuit ( Continued ) ( V+ = 5.0 VDC )

Non-Inverting DC Gain ( 0V Output )

+VIN

*+

1/2 AP358

+VO

-

R2

1M

R1

10K

+5V

R2

GAIN=1+

R1

=101(as shown)

*R not needed due to temperature independent IIN

VIN (mV)

R

100K

+V1

+

+V2

R

R 100K

100K

1/2 AP358

VO

R

100K

+V3

+V4

R

100K

-

R

100K

Where: VO=V1+V2-V3-V4

(V1+V2) > (V3+V4) to keep VO > 0 VDC

DC Summing Amplifier

(V > 0 V and V > 0 V )

IN'S

DC

O

DC

R1

910K

R2

100K

V+

-

R3

1/2 AP358

91K

VO

+VIN

+

RL

VO=0 VDC for VIN = 0 VDC

AV =10

Power Amplifier

R1

-

100K

C2

330pF

R2

100K

VIN

R3

100K

fO= 1KHz

Q = 50

1/2 AP358

+

R4

10M

C1

330pF

R5

470K

-

1/2 AP358

+

R6

100K

R7

470K

-

1/2 AP358

+

VO

R8

100K

V+

C3 +

10µF

"BI-QUAD" RC Active Bandpass Filter

AP358 Rev. 4

6 of 15

www.diodes.com

OCTOBER 2006

© Diodes Incorporated

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