AP358 Diodes, Inc., AP358 Datasheet - Page 10
AP358
Manufacturer Part Number
AP358
Description
Op Amps Low Power Dual Operational Amplifiers
Manufacturer
Diodes, Inc.
Datasheet
1.AP358.pdf
(15 pages)
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Typical Single-Supply Circuit
AP358 Rev. 3
+V
+V
1
R1
2K
As Shown: V
2
V
If R1 = R5 & R3 = R4 = R6 = R7 (CMRR depends on match)
O
=( 1+
GAIN ADJUST
+
+
-
1/2 AP358
-
1/2 AP358
2R
R
DC Instrumentation Amplifier
High Input Z Adjustable-Gain
1
2
O
100K
100K
)(V
= 101(V
R2
R5
2
-V
1
)
2
-V
f
Q = 25
O
1
= 1.12KHz
V
)
IN
100K
100K
R6
R3
620K
390K
R2
R1
100K
100K
R4
R7
+
-
1/2 AP358
0.01µF
0.01µF
680
10µF
C1
R3
C2
C3
+
Bandpass Active Filter
390K
www.diodes.com
R4
+
( Continued ) ( V
-
1/2 AP358
LOW POWER DUAL OPERATIONAL AMPLIFIERS
100K
10 of 15
R7
V
V
O
+
100K
R8
+V
*hi β AT 50 nA
IN
39K
R5
+
Using Symmetrical Amplifiers to Reduce
I
I
IN
2N929*
1.5M
= 5.0 V
B
R
I
B
Input Current (General Concept)
+
-
1/2 AP358
I
B
DC
+
-
1/2 AP358
120K
)
R6
0.001µF
I
B
3M
2R
I
B
V
O
+
-
1/2 AP358
SEPTEMBER 2006
+V
O
©
AUX AMP
INPUT CURRENT
COMPENSATION
Diodes Incorporated
AP358