OPA187_17 Datasheet, PDF (11/35 Pages) Texas Instruments – Drift, Low Power, Rail-to-Rail Output 36-V Operational Amplifiers Zero-Drift Series

www.ti.com
OPA187, OPA2187, OPA4187
SBOS807 – DECEMBER 2016
at V_S = ±18 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
170
160
0.01
150
140
0.1
130
120
1
±75 ±50 ±25 0 25 50 75 100 125 150
Temperature (ƒC)
C001
Time (1 s/div)
C017
Figure 13. PSRR vs Temperature
1000
100
10
1
1
10
100
1k
10k
100k
Frequency (Hz)
C002
Figure 14. 0.1-Hz to 10-Hz Noise
10
G = -1, 10k- Load
G = -1, 2k- Load
G = -1, 600- Load
G = +1, 10k- Load
1
G = +1, 2k- Load
G = +1, 600- Load
0.1
-40
-60
-80
-100
0.01
-120
0.001
20
200
2k
Frequency (Hz)
-140
20k
C004
Figure 15. Input-Referred Voltage Noise Spectral Density vs
Frequency (G = +101)
1
-60
0.1
0.01
0.001
0.0001
0.001
G = -1, 10k- Load
G = -1, 2k- Load
G = -1, 600- Load
G = +1, 10k- Load
G = +1, 2k- Load
G = +1, 600- Load
0.01
0.1
1
Output Amplitude (V_RMS)
-80
-100
-120
10
C004
Figure 16. THD+N Ratio vs Frequency
140
120
100
80
60
40
20
0
0 2 4 6 8 10 12 14 16 18 20
Supply Voltage (V)
C001
Figure 17. THD+N vs Output Amplitude
Figure 18. Quiescent Current vs Supply Voltage
Copyright © 2016, Texas Instruments Incorporated
Submit Documentation Feedback
11
Product Folder Links: OPA187 OPA2187 OPA4187