OPA145 Datasheet, PDF (15/40 Pages) Texas Instruments – High-Precision, Low-Noise, Rail-to-Rail Output, 5.5-MHz JFET Operational Amplifiers

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OPA145, OPA2145, OPA4145
SBOS427 – JUNE 2017
Typical Characteristics (continued)
at T_A = 25°C, 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)
1k
140
120
R_L = 10kŸ
100
80
60
40
20
0
0.01
R_L = 2kŸ
0.1
Output Voltage Swing from Rail (V)
V_S = ±2.25 V
-40°C
-5°C
25°C
85°C
125°C
1
C001
100
10
10
100
1k
10k 100k 1M 10M 100M
Frequency (Hz)
C021
Figure 25. Open-Loop Gain vs Output Voltage
Swing to Supply
Figure 26. Open-Loop Output Impedance vs Frequency
50
45
40
35
30
25
20
15
10
5
0
10
V_IN
G = +1
100
Capacitive Load (pF)
G = -1
1000
C004
V_OUT
Time (45 ms/div)
C017
Figure 27. Small-Signal Overshoot vs Capacitive Load
(10-mV Step)
Figure 28. No Phase Reversal
V_OUT
V_IN
V_IN
V_OUT
Time (100 ns/div)
C017
Figure 29. Positive Overload Recovery
Time (100 ns/div)
C017
Figure 30. Negative Overload Recovery
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