OPA314_15 Datasheet, PDF (14/45 Pages) Texas Instruments – OPAx314 3-MHz, Low-Power, Low-Noise, RRIO, 1.8-V CMOS Operational Amplifier

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.
3
1
2.5
Output
2
0.5
Input
0
1.5
-0.5
1
-1
0.5
-1.5
0
Input
-0.5
-2
Output
-2.5
-1
0
2
4
6
8
10
12
14
Time (2 ms/div)
-3
0
2
4
6
8
10
Time (2 ms/div)
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12
14
4
3
2
1
0
-1
-2
-3
-4
0
Figure 25. Positive Overload Recovery
V_IN
V_OUT
250
500
750
Time (125 ms/div)
1000
Figure 26. Negative Overload Recovery
-60
V_S = ±2.75 V
-80
-100
-120
-140
100
1k
10k
100k
1M
10M
Frequency (Hz)
0.1
0.01
0.001
0.0001
0.01
Figure 27. No Phase Reversal
V_S = ±2.5 V
f = 1 kHz
BW = 80 kHz
G = +1 V/V
Load = 2 kW
Load = 10 kW
0.1
1
10
Output Amplitude (V_RMS)
Figure 29. THD+N vs Output Amplitude (G = 1 V/V)
Figure 28. Channel Separation vs Frequency OPA2314
0.1
0.01
Load = 2 kW
0.001
V_S = ±2.5 V
f = 1 kHz
BW = 80 kHz
G = -1 V/V
Load = 10 kW
0.0001
0.01
0.1
1
10
Output Amplitude (V_RMS)
Figure 30. THD+N vs Output Amplitude (G = –1 V/V)
14
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