OPA1611
OPA1612
SBOS450A –JULY 2009–REVISED AUGUST 2009........................................................................................................................................................ www.ti.com
TYPICAL CHARACTERISTICS (continued)
At TA = +25°C, VS = ±15V, and RL = 2kΩ, unless otherwise noted.
THD+N RATIO vs FREQUENCY
THD+N RATIO vs FREQUENCY
-80
0.0001
-120
0.01
0.001
VOUT = 3VRMS
VOUT = 3VRMS
+15V
OPA1611
-15V
G = +1
RL = 600W
BW = 80kHz
BW = 80kHz
RSOURCE
RL
G = +1
RL = 2kW
-100
-120
-140
RSOURCE = 600W
RSOURCE = 0W
RSOURCE = 150W
G = -1
RSOURCE = 300W
0.0001
0.00001
RL = 600W
G = -1, RL = 2kW
0.00001
-140
10
100
1k
10k 20k
20
100
1k
10k 20k
Frequency (Hz)
Frequency (Hz)
Figure 7.
Figure 8.
THD+N RATIO vs FREQUENCY
THD+N RATIO vs FREQUENCY
-80
-100
-120
-140
0.001
0.01
0.001
VOUT = 3VRMS
BW > 500kHz
VOUT = 3VRMS
BW > 500kHz
+15V
OPA1611
-15V
G = +1
RL = 600W
RSOURCE
RL
-100
-120
-140
RSOURCE = 600W
RSOURCE = 300W
G = -1
RL = 600W
0.0001
0.0001
0.00001
G = -1
RL = 2kW
G = +1
RL = 2kW
RSOURCE = 150W
RSOURCE = 0W
0.00001
10
100
1k
10k
100k
10
100
1k
10k
100k
Frequency (Hz)
Frequency (Hz)
Figure 9.
Figure 10.
INTERMODULATION DISTORTION vs
OUTPUT AMPLITUDE
THD+N RATIO vs OUTPUT AMPLITUDE
-80
-80
0.01
0.001
0.01
1kHz Signal
BW = 80kHz
RSOURCE = 0W
G = +1
SMPTE/DIN
Two-Tone
4:1 (60Hz and 7kHz)
-100
-120
-140
-160
-100
-120
-140
-160
0.001
0.0001
DIM30
(3kHz square wave
and 15kHz sine wave)
0.0001
G = -1, RL = 2kW
G = -1, RL = 600W
G = +1, RL = 2kW
G = +1, RL = 600W
0.00001
0.000001
0.00001
0.000001
CCIF Twin-Tone
(19kHz and 20kHz)
0.01
0.1
1
10 20
0.1
1
10
20
Output Amplitude (VRMS
)
Output Amplitude (VRMS)
Figure 11.
Figure 12.
6
Copyright © 2009, Texas Instruments Incorporated
Product Folder Link(s): OPA1611 OPA1612
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