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OPA188_13 Datasheet, PDF (11/33 Pages) Texas Instruments – Precision, Low-Noise, Rail-to-Rail Output,36-V, Zero-Drift Operational Amplifiers
◁
OPA188
www.ti.com
SBOS642A – MARCH 2013 – REVISED MARCH 2013
TYPICAL CHARACTERISTICS (continued)
VS = ±18 V, VCM = VS / 2, RLOAD = 10 kΩ connected to VS / 2, and CL = 100 pF, unless otherwise noted.
40
(V-) < VCM < (V+) - 1.5 V
35
(V-) + 0.5 V < VCM < (V+) - 1.5 V
8
(V-) < VCM < (V+) - 1.5 V
7
(V-) + 0.5 V < VCM < (V+) - 1.5 V
30
VSUPPLY = ±2 V
25
6
VSUPPLY = ±18 V
5
20
4
15
3
10
2
5
1
0
-55 -35 -15 5
25 45 65 85 105 125
Temperature (°C)
Figure 14. CMRR vs TEMPERATURE
0
-55 -35 -15 5
25 45 65 85 105 125
Temperature (°C)
Figure 15. CMRR vs TEMPERATURE
1
0.8
5 Typical Units Shown
VSUPPLY = ±2 V to ±18 V
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1
-55 -35 -15 5
25 45 65 85 105 125
Temperature (°C)
Figure 16. PSRR vs TEMPERATURE
100
+3*sigma
3*Sigma Noise = 172nVPP
Peak-to-Peak Noise = VRMS*6.6 = 250nV
Time (1s/div)
-3*sigma
C016
Figure 17. 0.1-Hz TO 10-Hz NOISE
0.01
-80
VOUT = 1 VRMS
BW = 80 kHz
0.001
-100
10
0.0001
-120
1
0.1
1
10
100
1k
10k 100k
Frequency (Hz)
Figure 18. INPUT VOLTAGE NOISE SPECTRAL DENSITY vs
FREQUENCY
0.00001
10
G = +1, RL = 10 kW
G = -1, RL = 10 kW
100
1k
Frequency (Hz)
-140
10k 20k
Figure 19. THD+N RATIO vs FREQUENCY
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