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| OPA188-Q1 Datasheet, PDF (15/37 Pages) Texas Instruments – Precision, Low-Noise, Rail-to-Rail Output, 36-V, Zero-Drift, Automotive-Grade Operational Amplifier | |||
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OPA188-Q1, OPA2188-Q1
SBOS860 â APRIL 2017
Typical Characteristics (continued)
at VS = ±18 V, VCM = VS / 2, RLOAD = 10 kΩ connected to VS / 2, and CL = 100 pF (unless otherwise noted)
0.1
BW = 80 kHz
-60
0.5
0.48
0.46
0.01
-80
0.44
0.42
0.001
-100
0.4
0.38
0.0001
0.00001
0.01
G = +1, RL = 10 kW
G = -1, RL = 10 kW
0.1
1
Output Amplitude (VRMS)
-120
-140
10 20
0.36
0.34
0.32
Specified Supply-Voltage Range
0.3
0 4 8 12 16 20 24 28 32 36
Supply Voltage (V)
Figure 19. THD+N vs Output Amplitude
0.5
0.48
0.46
VS = ±18 V
VS = ±2 V
0.44
0.42
0.4
0.38
0.36
0.34
0.32
0.3
-55 -35 -15 5
25 45 65 85 105 125
Temperature (°C)
OPA188-Q1 is specified from TA = â40°C to +125°C
OPA2188-Q1 is specified from TA = â40°C to +105°C
Figure 21. Quiescent Current vs Temperature
10k
1k
100
10
1
0.1
1
10 100 1k 10k 100k 1M 10M
Frequency (Hz)
Figure 20. Quiescent Current vs Supply Voltage
3
VSUPPLY = 4 V, RL = 10 kW
2.5
VSUPPLY = 36 V, RL = 10 kW
2
1.5
1
0.5
0
-55 -35 -15 5
25 45 65 85 105 125
Temperature (°C)
OPA188-Q1 is specified from TA = â40°C to +125°C
OPA2188-Q1 is specified from TA = â40°C to +105°C
Figure 22. Open-Loop Gain vs Temperature
40
RL = 10 kW
35
RISO = 0 W
30
RISO = 25 W
25
RISO = 50 W
20
15
G = +1
+18 V
10
Device
RISO
-18 V
RL
CL
5
0
0 100 200 300 400 500 600 700 800 900 1000
Capacitive Load (pF)
Figure 23. Open-Loop Output Impedance vs Frequency
Figure 24. Small-Signal Overshoot vs
Capacitive Load (100-mV Output Step)
Copyright © 2017, Texas Instruments Incorporated
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Product Folder Links: OPA188-Q1 OPA2188-Q1
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