OPA1688 Datasheet, PDF (13/41 Pages) Texas Instruments – OPA168x SoundPlus 36-V, Single-Supply, 10-MHz, Rail-to-Rail Output Operational Amplifiers

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OPA1688, OPA1689
SBOS724 – SEPTEMBER 2015
Typical Characteristics (continued)
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.
2
2
1.9
1.8
1.8
V_s = ± 18 V
1.7
1.6
1.6
V_s = ± 2.25 V
1.5
1.4
1.4
1.3
1.2
1.2
1.1
1
±75 ±50 ±25
0 25 50 75
Temperature (ƒC)
100 125 150
C001
1
0 4 8 12 16 20 24 28 32 36
Supply Voltage (V)
C001
Figure 19. Quiescent Current vs Temperature
140
180
120
100
135
Open-loop Gain
80
Phase
60
90
40
20
45
0
±20
1
0
10
100
1k
10k 100k 1M 10M
Frequency (Hz)
C004
C_LOAD = 15 pF
Figure 21. Open-Loop Gain and Phase vs Frequency
2
1.5
1
V_s = 4.5 V
0.5
Vs = 36 V
0
-0.5
-1
±75 ±50 ±25
0 25 50 75
Temperature (ƒC)
R_L = 10 kΩ
100 125 150
C001
Figure 23. Open-Loop Gain vs Temperature
Figure 20. Quiescent Current vs Supply Voltage
25
20
15
10
5
0
-5
-10
-15
-20
1000
G = +1
G = -10
G = -1
10k
100k
1M
Frequency (Hz)
10M
C003
Figure 22. Closed-Loop Gain vs Frequency
1000
100
10
1
0
10 100 1k 10k 100k 1M 10M 100M
Frequency (Hz)
C016
Figure 24. Open-Loop Output Impedance vs Frequency
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