AP358 查看數據表（PDF） - Diodes Incorporated.
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AP358 Datasheet PDF : 15 Pages
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AP358
LOW POWER DUAL OPERATIONAL AMPLIFIERS
Typical Single-Supply Circuit ( Continued ) ( V+ = 5.0 VDC )
C1
0.01µF
R1
390K
VIN
C2
0.01µF
R3
680
R4
390K
-
1/2 AP358
R6
120K
R5
39K
-
R2
620K
+
1/2 AP358
VO
fO= 1.12KHz
Q = 25
+
C3+
R7 R8
100K 100K
10µF
V+
Bandpass Active Filter
R2
100K
-
1/2 AP358
R3 R4
100K 100K
+V1
R1
2K
+
GAIN ADJUST
R5
100K
-
-
1/2 AP358
VO
+
1/2 AP358
R6 R7
+V2
+
100K 100K
If R1 = R5 & R3 = R4 = R6 = R7 (CMRR depends on match)
2R2
VO =( 1+ R1 )(V2-V1)
As Shown: VO = 101(V2-V1)
High Input Z Adjustable-Gain
DC Instrumentation Amplifier
-
IIN IB 1/2 AP358
+VO
+VIN
+
IB
2N929*
*hi β AT 50 nA
IB
R
1.5M
0.001µF IB
2R
3M
-
1/2 AP358
+
IB
AUX AMP
INPUT CURRENT
COMPENSATION
Using Symmetrical Amplifiers to Reduce
Input Current (General Concept)
AP358 Rev. 4
10 of 15
www.diodes.com
OCTOBER 2006
© Diodes Incorporated
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