THS3091 Datasheet, PDF (15/45 Pages) Texas Instruments – HIGH-VOLTAGE, LOW-DISTORTION, CURRENT-FEEDBACK OPERATIONAL AMPLIFIERS

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Typical Characteristics (±15 V) (continued)
16
R_(ISO) = 38.3 Ω
14
C_L = 10 pF
12
10
R_(ISO) = 30.9 Ω
C_L = 22 pF
8
R_(ISO) = 22.1 Ω
6
C_L = 47 pF
4
R_(ISO) = 15.8 Ω
2
C_L = 100 pF
Gain = 5,
0
R_L = 100 Ω,
−2
V_S =±15 V
10 M
100 M
1G
f − Frequency − Hz
Figure 7. Capacitive Load Frequency Response
−40
−45
V_O = 2 V_PP,
R_L = 100 Ω,
−50
V_S = ±15 V
−55
−60
−65
G = 1, R_F = 1.78 kΩ
−70
−75
G = 2, R_F = 1.21 kΩ
−80
−85
−90
100 k
1M
10 M
f − Frequency − Hz
100 M
Figure 9. 2nd Harmonic Distortion vs Frequency
−40
V_O = 2 V_PP,
−50 ^{RL = 1 kΩ,}
V_S = ±15 V
−60
−70
G = 1, R_F = 1.78 kΩ
−80
G = 2, R_F = 1.21 kΩ
−90
−100
100 k
1M
10 M
f − Frequency − Hz
100 M
Figure 11. 2nd Harmonic Distortion vs Frequency
THS3091, THS3095
SLOS423H – SEPTEMBER 2003 – REVISED DECEMBER 2015
45
Gain = 5,
40
R_L = 100 Ω,
35
V_S = ±15 V
30
25
20
15
10
5
0
10
100
C_L − Capacitive Load − pF
Figure 8. Recommended R_ISO vs Capacitive Load
-40
V_O = 2 V_PP,
-50
R_L = 100 Ω,
V_S = ±15 V
-60
-70
G = 1, R_F = 1.78 kΩ
-80
G = 2, R_F = 1.21 kΩ
-90
-100
100 k
1M
10 M
f - Frequency - Hz
100 M
Figure 10. 3rd Harmonic Distortion vs Frequency
−40
−45
V_O = 2 V_PP,
R_L = 1 kΩ,
−50
V_S = ±15 V
−55
−60
G = 1, R_F = 1.78 kΩ
−65
−70
−75
G = 2, R_F = 1.21 kΩ
−80
−85
−90
100 k
1M
10 M
f − Frequency − Hz
100 M
Figure 12. 3rd Harmonic Distortion vs Frequency
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