OPA314
OPA2314
OPA4314
SBOS563D –MAY 2011–REVISED MARCH 2012
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TYPICAL CHARACTERISTICS (continued)
At TA = +25°C, RL = 10 kΩ connected to VS/2, VCM = VS/2, and VOUT = VS/2, unless otherwise noted.
POSITIVE OVERLOAD RECOVERY
NEGATIVE OVERLOAD RECOVERY
3
2.5
2
1
0.5
0
Output
Input
1.5
1
-0.5
-1
0.5
0
-1.5
-2
Output
Input
-0.5
-1
-2.5
-3
0
2
4
6
8
10
12
14
0
2
4
6
8
10
12
14
Time (2 ms/div)
Time (2 ms/div)
Figure 25.
Figure 26.
CHANNEL SEPARATION vs FREQUENCY
OPA2314
NO PHASE REVERSAL
4
3
-60
-80
VS
= 2.75 V
VIN
VOUT
2
1
0
-100
-120
-140
-1
-2
-3
-4
0
250
500
750
1000
100
1k
10k
100k
1M
10M
Time (125 ms/div)
Frequency (Hz)
Figure 27.
Figure 28.
THD+N vs OUTPUT AMPLITUDE
(G = +1 V/V)
THD+N vs OUTPUT AMPLITUDE
(G = –1 V/V)
0.1
0.01
0.1
VS = ±±.ꢀ V
f = 1 kHz
BW = 80 kHz
G = +1 V/V
0.01
0.001
Load = ± kW
Load = ± kW
0.001
VS = ±±.ꢀ V
Load = 10 kW
f = 1 kHz
BW = 80 kHz
G = -1 V/V
Load = 10 kW
0.0001
0.0001
0.01
0.1
1
10
0.01
0.1
1
10
Output Amplitude (VRMS
)
Output Amplitude (VRMS)
Figure 29.
Figure 30.
12
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