OP97 Datasheet, PDF (6/12 Pages) Analog Devices – Low-Power, High-Precision Operational Amplifier

OP97
80
GAIN
60
PHASE
40
90
20
135
T_A = +125 C
0
T_A = –55 C
180
–20
–40
11RRVVCC00^SSLLLL00======ppFF21210M0MOO11pp55^⍀⍀VVFFVVEERRCCOOMMPPEENNSSAATTTT^AAIIOO==NN^{–+51525CC}
–60
100
1k
10k 100k 1M
FREQUENCY – Hz
225
10M
TPC 19. Open-Loop Gain, Phase vs.
Frequency (C_OC = 0 pF)
10
T_A = 25 C
V_S = 15V
1 ^RL ^{= 10k⍀}
1% THD
V_OUT = 3V RMS
0.1
0.01
0.001
A_VCL = 100
A_VCL = 10
A_VCL = 1
0.0001
10
100
1k
10k
FREQUENCY – Hz
TPC 20. Total Harmonic Distortion
Plus Noise vs. Frequency
70
T_A = 25 C
60 ^{VS = 15V}
A_VCL = +1
50
V_OUT = 100mV p-p
C_OC = 0pF
40
+EDGE
–EDGE
30
20
10
0
10
100
1000
10000
LOAD CAPACITANCE – pF
TPC 21. Small Signal Overshoot vs.
Capacitive Load
80
GAIN
60
PHASE
40
90
20
135
T_A = –55 C
0
T_A = +125 C
180
–20
V_S = 15V
–40 ^{CL = 20pF}
R_L = 1M⍀
T_A = +125 C
T_A = –55 C
100pF OVERCOMPENSATION
–60
100
1k
10k 100k 1M
FREQUENCY – Hz
225
10M
TPC 22. Open-Loop Gain, Phase vs.
Frequency (C_OC = 100 pF)
1
T_A = +125 C
0.1 TA = –55 C
R_l = 10k⍀
V_S = 15V
C_L = 100pF
1000
100
T_A = –55 C
T_A = +125 C
0.01
0.001
1
10
100
1000
10000
OVERCOMPENSATION CAPACITOR – pF
TPC 23. Slew Rate vs. Over-
compensation
10
V_S = 15V
C_L = 20pF
R_L = 1M⍀
A_V = 100
1
1
10
100
1000
10000
OVERCOMPENSATION CAPACITOR – pF
TPC 24. Gain Bandwidth Product vs.
Overcompensation
80
T_A = –55 C
60
T_A = +25 C
T_A = +125 C
40
90
PHASE
20
GAIN
135
T_A = –55 C
0
T_A = +125 C
180
–20
V_S = 15V
–40 ^{CL = 20pF}
R_L = 1M⍀
100pF OVERCOMPENSATION
–60
100
1k
10k 100k 1M
FREQUENCY – Hz
225
10M
TPC 25. Open-Loop Gain, Phase vs.
Frequency (C_OC = 1000 pF)
80
60
40
20 GAIN
PHASE
T_A = +125 C
T_A = +25 C
T_A = +125 C
90
135
0 T_A = +125 C
T_A = –55 C
–20
V_S = 15V
–40 ^{CL = 20pF}
R_L = 1M⍀
100pF OVERCOMPENSATION
–60
100
1k
10k 100k 1M
FREQUENCY – Hz
180
225
10M
TPC 26. Open-Loop Gain, Phase vs.
Frequency (C_OC = 10,000 pF)
1000
100
T_A = 25 C
V_S = 15V
10
A_VCL = 1000
1
A_VCL = 1
0.1
0.01
0.001
1
10
100
1k
10k
FREQUENCY – Hz
100k
TPC 27. Closed-Loop Output Resis-
tance vs. Frequency
–6–
REV. D