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| OPA1611 Datasheet, PDF (6/21 Pages) Texas Instruments – High-Performance Bipolar-Input AUDIO OPERATIONAL AMPLIFIERS | |||
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OPA1611
OPA1612
SBOS450A â JULY 2009 â REVISED AUGUST 2009........................................................................................................................................................ www.ti.com
TYPICAL CHARACTERISTICS (continued)
At TA = +25°C, VS = ±15V, and RL = 2kâ¦, unless otherwise noted.
THD+N RATIO vs FREQUENCY
0.0001
VOUT = 3VRMS
BW = 80kHz
-120
0.01
G = +1
RL = 600W
G = +1
RL = 2kW
0.001
THD+N RATIO vs FREQUENCY
+15V
RSOURCE OPA1611
-80
VOUT = 3VRMS
BW = 80kHz
-15V
RL
-100
G = -1
RL = 600W
0.0001
RSOURCE = 0W
RSOURCE = 150W
RSOURCE = 600W
RSOURCE = 300W
-120
0.00001
10
100
1k
Frequency (Hz)
G = -1, RL = 2kW -140
10k 20k
Figure 7.
THD+N RATIO vs FREQUENCY
0.001
VOUT = 3VRMS
BW > 500kHz
G = +1
RL = 600W
0.0001
G = -1
RL = 600W
-100
-120
0.00001
10
G = -1
G = +1
RL = 2kW
RL = 2kW
-140
100
1k
10k
100k
Frequency (Hz)
Figure 9.
0.01
0.001
THD+N RATIO vs OUTPUT AMPLITUDE
1kHz Signal
BW = 80kHz
RSOURCE = 0W
-80
-100
0.0001
0.00001
0.000001
0.01
G = -1, RL = 2kW
G = -1, RL = 600W
G = +1, RL = 2kW
G = +1, RL = 600W
0.1
1
Output Amplitude (VRMS)
Figure 11.
-120
-140
-160
10 20
0.00001
20
100
1k
Frequency (Hz)
Figure 8.
-140
10k 20k
0.01
0.001
0.0001
THD+N RATIO vs FREQUENCY
+15V
RSOURCE OPA1611
-15V
RL
VOUT = 3VRMS
BW > 500kHz
RSOURCE = 600W
-80
-100
RSOURCE = 300W
-120
0.00001
10
RSOURCE = 0W
100
1k
Frequency (Hz)
Figure 10.
RSOURCE = 150W
-140
10k
100k
INTERMODULATION DISTORTION vs
OUTPUT AMPLITUDE
0.01
G = +1
0.001
0.0001
SMPTE/DIN
Two-Tone
4:1 (60Hz and 7kHz)
DIM30
(3kHz square wave
and 15kHz sine wave)
-80
-100
-120
0.00001
0.000001
0.1
-140
CCIF Twin-Tone
(19kHz and 20kHz)
1
10
Output Amplitude (VRMS)
Figure 12.
-160
20
6
Copyright © 2009, Texas Instruments Incorporated
Product Folder Link(s): OPA1611 OPA1612
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