OPA388_17 Datasheet, PDF (11/34 Pages) Texas Instruments – Precision, Zero-Drift, Zero-Crossover, True Rail-to-Rail Input/Output, Operational Amplifiers

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OPA388, OPA2388, OPA4388
SBOS777 – DECEMBER 2016
Typical Characteristics (continued)
at T_A = 25°C, V_S = ±2.5 V, V_CM = V_S / 2, R_LOAD = 10 kΩ connected to V_S / 2, and C_L = 100 pF (unless otherwise noted)
180
0.001
160
0.01
140
0.1
120
1
100
10
±75 ±50 ±25 0 25 50 75 100 125 150
Temperature (ƒC)
C001
Figure 13. PSRR vs Temperature
1000
100
10
Time (1 s/div)
C017
0.01
0.001
Figure 14. 0.1-Hz to 10-Hz Noise
G = -1, 10k- Load
-80
G = -1, 2k- Load
G = -1, 600- Load
G = +1, 10k- Load
G = +1, 2k- Load
G = +1, 600- Load
-100
1
1
10
100
1k
10k
100k
Frequency (Hz)
C002
Figure 15. Input Voltage Noise Spectral Density
vs Frequency
0.1
-60
0.01
-80
0.001
0.0001
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
0.01
0.1
1
Output Amplitude (V_RMS)
-100
-120
C004
Figure 17. THD+N vs Output Amplitude
0.0001
20
200
2k
Frequency (Hz)
-120
20k
C004
Figure 16. THD+N Ratio vs Frequency
0
±20
±40
±60
±80
±100
±120
±140
±160
±180
100
1k
10k
100k
Frequency (Hz)
C004
G = +1, f = 1 kHz, V_O = 4.5 V_PP, R_L = 10 kΩ, BW = 90 kHz
Figure 18. Spectral Content (With 10-kΩ Load)
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