OPA188-Q1 Datasheet, PDF (14/37 Pages) Texas Instruments – Precision, Low-Noise, Rail-to-Rail Output, 36-V, Zero-Drift, Automotive-Grade Operational Amplifier

OPA188-Q1, OPA2188-Q1
SBOS860 – APRIL 2017
www.ti.com
Typical Characteristics (continued)
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)
40
(V-) < V_CM < (V+) - 1.5 V
35
(V-) + 0.5 V < V_CM < (V+) - 1.5 V
8
(V-) < V_CM < (V+) - 1.5 V
7
(V-) + 0.5 V < V_CM < (V+) - 1.5 V
30
V_SUPPLY = ±2 V
25
6
V_SUPPLY = ±18 V
5
20
4
15
3
10
2
5
1
0
-55 -35 -15 5
25 45 65 85 105 125
Temperature (°C)
OPA188-Q1 is specified from T_A = –40°C to +125°C
OPA2188-Q1 is specified from T_A = –40°C to +105°C
0
-55 -35 -15 5
25 45 65 85 105 125
Temperature (°C)
OPA188-Q1 is specified from T_A = –40°C to +125°C
OPA2188-Q1 is specified from T_A =–40°C to +105°C
Figure 13. CMRR vs Temperature
1
0.8
5 Typical Units Shown
V_SUPPLY = ±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)
OPA188-Q1 is specified from T_A = –40°C to +125°C
OPA2188-Q1 is specified from T_A = –40°C to +105°C
Figure 14. CMRR vs Temperature
+3*sigma
3*Sigma Noise = 172 nV_PP
Peak-to-Peak Noise = 250 nV
Time (1 s/div)
-3*sigma
C016
Figure 15. PSRR vs Temperature
100
Figure 16. 0.1-Hz to 10-Hz Noise
0.01
-80
V_OUT = 1 V_RMS
BW = 80 kHz
0.001
10
0.0001
G = +1, R_L = 10 kW
G = -1, R_L = 10 kW
1
0.00001
0.1
1
10
100
1k
10k 100k
10
100
1k
Frequency (Hz)
Frequency (Hz)
-100
-120
-140
10k 20k
Figure 17. Input Voltage Noise Spectral Density vs
Frequency
Figure 18. THD+N Ratio vs Frequency
14
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