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
1μF
2N929*
*hi β AT 100 nA
2I
B
R
IM
I
B
3R
3M
0.001μF
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
0.05μF
+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
)
AP358
LOW POWER DUAL OPERATIONAL AMPLIFIERS
AP358
Document number: DS31007 Rev. 6 - 2
5 of 16
www.diodes.com
July 2010
© Diodes Incorporated
Typical Single-Supply Circuit (Continued) (V
+
=5.0V
DC
)
+
-
V
O
R2
10M
+V
IN
1/2 AP358
Comparator with Hysteresis
+V
REF
R1
10K
AC Coupled Inverting Amplifier
+
-
1/2 AP358
R1
10K
V
IN
+
C
IN
R
f
10K
R2
100K
R3
100K
C1
10μF
+
R
B
6.2K
R
L
10K
C
O
V
O
03 Vpp
AV= (As shown, A
V
=10)
R
f
R1
V
+
+
-
V
O
R4
1M
+V
CM
1/2 AP358
Ground Referencing a Differential
Input Signal
V
R
R1
1M
R2
1M
R3
1M
R
+
-
V
O
=V
R
AC Coupled Non-Inverting Amplifier
+
-
1/2 AP358
V
IN
+
C
IN
R1
100K
C1
0.1μF
+
R
B
6.2K
R
L
10K
C
O
V
O
03 Vpp
R2
1M
R3
1M
C2
10μF
R4
100K
R5
100K
V
+
A
V
=1+
R2
R1
A
V
=11(As Shown)
+
-
V
O
R4
100K
V
IN
1/2 AP358
DC Coupled Low-Pass RC Active Filter
R1
16K
R2
16K
C1
0.01μF
C2
0.01μF
R3
100K
V
O
f
O
0
f
O
= 1KHz
Q = 1
A
V
=2
High Input Z, DC Differential Amplifier
+
-
1/2 AP358
V
O
+
-
1/2 AP358
R3
100K
R4
100K
R2
100K
R1
100K
+V
1
+V
2
R1
R2
R4
R3
For =
(CMRR depends on this
resistor ratio match)
V
O
= (1+ )(V
2
-V
1
)
R4
R3
As Shown: V
O
= 2(V
2
-V
1
)
AP358
LOW POWER DUAL OPERATIONAL AMPLIFIERS
AP358
Document number: DS31007 Rev. 6 - 2
6 of 16
www.diodes.com
July 2010
© Diodes Incorporated
Typical Single-Supply Circuit (Continued) (V
+
=5.0V
DC
)
Bandpass Active Filter
+
-
1/2 AP358
R1
390K
V
IN
C1
0.01μF
+
V
O
V
+
+
-
1/2 AP358
C2
0.01μF
C3
10μF
R2
620K
R3
680
R4
390K
R5
39K
R6
120K
R7
100K
R8
100K
f
O
= 1.12KHz
Q = 25
+
-
1/2 AP358
+
-
1/2 AP358
+
-
1/2 AP358
+V
1
+V
2
R1
2K
GAIN ADJUST
R2
100K
R3
100K
R4
100K
R5
100K
R6
100K
R7
100K
V
O
As Shown: V
O
= 101(V
2
-V
1
)
V
O
=( 1+ )(V
2
-V
1
)
2R
2
R
1
If R1 = R5 & R3 = R4 = R6 = R7 (CMRR depends on match)
High Input Z Adjustable-Gain
DC Instrumentation Amplifier
+
-
1/2 AP358
+
-
1/2 AP358
+V
IN
+V
O
I
IN
I
B
I
B
I
B
I
B
0.001μF
I
B
R
1.5M
2R
3M
AUX AMP
INPUT CURRENT
COMPENSATION
Using Symmetrical Amplifiers to Reduce
Input Current (General Concept)
2N929*
*hi β AT 50 nA

AP358SL-13

Mfr. #:
Manufacturer:
Diodes Incorporated
Description:
Operational Amplifiers - Op Amps LOW PWR DUAL OP AMP 100 dB 500 uA 1MHz
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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