OP77AJMDA AD [Analog Devices], OP77AJMDA Datasheet - Page 13

• Manufacturer Part Number: OP77AJMDA
• Description: Next Generation OP07 Ultralow Offset Voltage Operational Amplifier
• Manufacturer: AD [Analog Devices]

REV. C
This circuit relies upon OP77’s low TCV
with very high CMRR to provide precision buffering of the
averaged REF01 voltage outputs.
V
IN
15V
1k
+
10 F
2
3
OP77
–15V
OS
15V
Figure 16. Precision Positive Peak Detector
Figure 15. Low Noise Precision Reference
REF-01
7
4
and noise combined
0.1 F
0.1 F
2
4
6
V
O
6
RESET
REF-01
2
4
V
1N4148
O
6
2N930
–13–
1k
REF-01
C
H
C
dielectric absorption and leakage. The droop rate is determined
by the size of C
*Teflon is a registered trademark of the Dupont Company
2
4
V
H
1k
O
must be of polystyrene, Teflon*, or polyethylene to minimize
6
100
100
100
3
2
AD820
–15V
15V
4
7
0.1 F
0.1 F
0.1 F
H
and the bias current of the AD820.
6
OP77
V
OUT
V
OUT
OP77