OPA1622 Datasheet, PDF (9/36 Pages) Texas Instruments – OPA1622 SoundPlus™ High-Fidelity, Bipolar-Input, Audio Operational Amplifier

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Typical Characteristics (continued)
at T_A = 25°C, V_S = ±18 V, and R_L = 2 kΩ (unless otherwise noted)
40
G = +10
G = -1
G = +1
20
OPA1622
SBOS727A – NOVEMBER 2015 – REVISED NOVEMBER 2015
0.01
0.001
G = -1, 600- Load
G = -1, 2k- Load
G = -1, 10k- Load
G = +1, 600- Load
G = +1, 2k- Load
G = +1, 10k- Load
-80
-100
0
0.0001
-120
-20
100
1k
10k
100k
1M
10M
Frequency (Hz)
C004
Figure 13. Closed-Loop Gain vs Frequency
0.1
0.01
0.001
G = -1, 128- Load
G = -1, 32- Load
G = -1, 16- Load
G = +1, 128- Load
G = +1, 32- Load
G = +1, 16- Load
-60
-80
-100
0.0001
-120
0.00001
-140
20
200
2k
20k
Frequency (Hz)
C004
10 mW, 80-kHz measurement bandwidth
Figure 15. THD+N Ratio vs Frequency
0.1
-60
0.01
Inverting
-80
0.001
-100
Noninverting
0.0001
128- Load
32- Load
0.00001
16- Load
0.01
0.1
1
10
Output Amplitude (V_RMS)
1 kHz, 80-kHz measurement bandwidth
-120
-140
C004
Figure 17. THD+N Ratio vs Output Amplitude
0.00001
-140
20
200
2k
20k
Frequency (Hz)
C004
3.5 V_RMS, 80-kHz measurement bandwidth
Figure 14. THD+N Ratio vs Frequency
0.1
-60
0.01
0.001
Inverting
-80
-100
0.0001 Noninverting
2k- Load
0.00001
600- Load
0.01
0.1
1
10
Output Amplitude (V_RMS)
1 kHz, 80-kHz measurement bandwidth
-120
-140
C004
Figure 16. THD+N Ratio vs Output Amplitude
0.1
-60
2k- Load
32- Load
0.01
-80
0.001
SMPTE
-100
0.0001
CCIF
-120
0.00001
0.001
0.01
0.1
1
Output Amplitude (V_RMS)
90-kHz measurement bandwidth
-140
10
C004
Figure 18. Intermodulation Distortion vs Output Amplitude
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