Diodes AP358 Manuel d'utilisateur télécharger pdf (Page 6)

AP358

LOW POWER DUAL OPERATIONAL AMPLIFIERS

AP358

Document number: DS31007 Rev. 6 - 2

6 of 16

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July 2010

Typical Single-Supply Circuit (Continued) (V

=5.0V

)

Bandpass Active Filter

1/2 AP358

390K

0.01μF

1/2 AP358

0.01μF

10μF

620K

680

390K

39K

120K

100K

= 1.12KHz

Q = 25

1/2 AP358

GAIN ADJUST

100K

As Shown: V

= 101(V

-V

)

=( 1+ )(V

-V

)

If R1 = R5 & R3 = R4 = R6 = R7 (CMRR depends on match)

High Input Z Adjustable-Gain

DC Instrumentation Amplifier

1/2 AP358

0.001μF

1.5M

AUX AMP

INPUT CURRENT

COMPENSATION

Using Symmetrical Amplifiers to Reduce

Input Current (General Concept)

2N929*

*hi β AT 50 nA

1 2 3 4 5 6 7 8 9 10 11 ... 15 16

Power Amplifier 2
(Continued) (V 3
Low Drift Peak Detector 4
Input Signal 5
High Input Z Adjustable-Gain 6
DC Instrumentation Amplifier 6
≅ 1.4V, R 9
Temperature( 11
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AP358 16

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