OPA1622 Datasheet, PDF (10/36 Pages) Texas Instruments – OPA1622 SoundPlus™ High-Fidelity, Bipolar-Input, Audio Operational Amplifier

OPA1622
SBOS727A – NOVEMBER 2015 – REVISED NOVEMBER 2015
Typical Characteristics (continued)
at T_A = 25°C, V_S = ±18 V, and R_L = 2 kΩ (unless otherwise noted)
-80
-100
No Load
32- Load
600- Load
-120
-140
-160
100
1k
10k
100k
1M
10M
Frequency (Hz)
C004
160
140
120
100
80
60
40
20
0
1
PSRR-
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PSRR+
10 100
1k
10k 100k 1M 10M
Frequency (Hz)
C115
Figure 19. Channel Separation vs Frequency
5
4
3
2
1
0
-1
-2
-3
-4
-5
±75 ±50 ±25
0 25 50 75 100 125 150
Temperature (ƒC)
C001
Figure 20. PSRR vs Frequency (Referred to Input)
140
120
100
80
60
40
20
0
1
10 100
1k
10k 100k 1M 10M
Frequency (Hz)
C004
Figure 21. PSRR vs Temperature
1
0.8 V_S = ±2 V, (V±)
0.6
” 9_CM ” 9 ± 1 V
0.4
0.2
0
-0.2
V_S = ±18 V, (V±)
” 9_CM ” 9 ± 1V
-0.4
-0.6
-0.8
-1
±75 ±50 ±25
0 25 50 75
Temperature (ƒC)
100 125 150
C001
Figure 22. CMRR vs Frequency (Referred to Input)
90
80
G = +1
70
60
50
G = -1
40
30
20
10
0
0
200
400
600
800
1000
Capacitive Load (pF)
C308
Figure 23. CMRR vs Temperature
Figure 24. Phase Margin vs Capacitive Load
10
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