OPA314_15 Datasheet, PDF (13/45 Pages) Texas Instruments – OPAx314 3-MHz, Low-Power, Low-Noise, RRIO, 1.8-V CMOS Operational Amplifier

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OPA314, OPA2314, OPA4314
SBOS563G – MAY 2011 – REVISED JUNE 2015
At T_A = 25°C, R_L = 10 kΩ connected to V_S/2, V_CM = V_S/2, and V_OUT = V_S/2, unless otherwise noted.
40
V_S = 5.5 V
70
G = -1 V/V
G = +1 V/V
60
G = +10 V/V
50
20
40
0
-20
10k
100k
1M
Frequency (Hz)
30
20
V_S = ±2.75 V
10
Gain = +1 V/V
R_L = 10 kW
0
10M
0
200
400
600
800 1000 1200
Capacitive Load (pF)
Figure 19. Closed-Loop Gain vs Frequency
Gain = +1
V_S = ±0.9 V
V_IN
R_F = 10 kW
Figure 20. Small-Signal Overshoot vs Load Capacitance
Gain = +1
V_S = ±2.75 V
V_IN
R_F = 10 kW
Z_L = 10 pF + 10 kW
Z_L = 100 pF + 10 kW
Time (1 ms/div)
Figure 21. Small-Signal Pulse Response (Noninverting)
1
0.75
V_IN
0.5
Gain = +1
V_S = ±0.9 V
R_L = 10 kW
0.25
0
-0.25
-0.5
V_OUT
-0.75
-1
Time (1 ms/div)
Figure 23. Large-Signal Pulse Response (Noninverting)
Z_L = 10 pF + 10 kW
Z_L = 100 pF + 10 kW
Time (1 ms/div)
Figure 22. Small-Signal Pulse Response (Inverting)
2
1.5
1
V_IN
Gain = +1
V_S = ±2.75 V
R_L = 10 kW
0.5
0
-0.5
-1
V_OUT
-1.5
-2
Time (1 ms/div)
Figure 24. Large-Signal Pulse Response (Inverting)
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