參數(shù)資料
型號: OP97
廠商: Analog Devices, Inc.
英文描述: Low-Power, High-Precision Operational Amplifier
中文描述: 低功耗,高精度運算放大器
文件頁數(shù): 6/12頁
文件大?。?/td> 363K
代理商: OP97
REV. D
OP97
–6–
FREQUENCY
Hz
O
80
60
100
60
10M
1k
100k
40
10k
1M
40
20
0
20
PHASE
P
225
180
135
90
T
A
= +125 C
T
A
=
55 C
T
A
=
55 C
T
A
= +125 C
V
S
C
L
R
100pF OVERCOMPENSATION
GAIN
V
S
= 20pF
C
L
= 1M
R
= 1M
TPC 19. Open-Loop Gain, Phase vs.
Frequency (C
OC
= 0 pF)
FREQUENCY
Hz
O
80
60
100
60
10M
1k
100k
40
10k
1M
40
20
0
20
PHASE
P
225
180
135
90
T
A
= +125 C
T
A
=
55 C
GAIN
V
S
= 15V
C
L
= 20pF
R
= 1M
100pF OVERCOMPENSATION
T
A
=
55 C
T
A
= +125 C
TPC 22. Open-Loop Gain, Phase vs.
Frequency (C
OC
= 100 pF)
FREQUENCY
Hz
O
80
60
100
60
10M
1k
100k
40
10k
1M
40
20
0
20
PHASE
P
225
180
135
90
T
A
=
55 C
T
A
= +25 C
T
A
= +125 C
GAIN
V
S
= 15V
C
L
= 20pF
R
= 1M
100pF OVERCOMPENSATION
T
A
=
55 C
T
A
= +125 C
TPC 25. Open-Loop Gain, Phase vs.
Frequency (C
OC
= 1000 pF)
FREQUENCY
Hz
T
0.0001
10
10k
1k
100
T
A
= 25 C
V
S
= 15V
R
= 10k
1% THD
V
OUT
= 3V RMS
A
VCL
= 100
A
VCL
= 10
A
VCL
= 1
0.001
0.01
0.1
1
10
TPC 20. Total Harmonic Distortion
Plus Noise vs. Frequency
OVERCOMPENSATION CAPACITOR
pF
0.1
1
0.01
0.001
10
100
10000
1
S
R
l
= 10k
V
S
= 15V
C
L
= 100pF
T
A
= +125 C
T
A
=
55 C
1000
TPC 23. Slew Rate vs. Over-
compensation
FREQUENCY
Hz
O
80
60
100
60
10M
1k
100k
40
10k
1M
40
20
0
20
PHASE
P
225
180
135
90
T
A
= +125 C
T
A
= +25 C
T
A
= +125 C
GAIN
V
S
= 15V
C
L
= 20pF
R
= 1M
100pF OVERCOMPENSATION
T
A
= +125 C
T
A
=
55 C
TPC 26. Open-Loop Gain, Phase vs.
Frequency (C
OC
= 10,000 pF)
LOAD CAPACITANCE
pF
O
70
0
10
60
10000
1000
100
T
A
= 25 C
V
S
= 15V
A
VCL
= +1
V
OUT
= 100mV p-p
C
OC
= 0pF
50
40
30
20
10
+EDGE
EDGE
TPC 21. Small Signal Overshoot vs.
Capacitive Load
OVERCOMPENSATION CAPACITOR
pF
100
1
10
1
10
100
10000
1000
G
V
S
= 15V
C
L
= 20pF
R
L
= 1M
A
V
= 100
T
A
= +125 C
T
A
=
55 C
1000
TPC 24. Gain Bandwidth Product vs.
Overcompensation
FREQUENCY
Hz
O
0.001
10
100
1k
10k
T
A
= 25 C
V
S
= 15V
1
A
VCL
= 1000
100k
A
VCL
= 1
0.01
0.1
1
10
100
1000
TPC 27. Closed-Loop Output Resis-
tance vs. Frequency
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