OPA1641_15 Datasheet, PDF (6/29 Pages) Texas Instruments – High-Performance, JFET-Input AUDIO OPERATIONAL AMPLIFIERS

OPA1641
OPA1642
OPA1644
SBOS484B – DECEMBER 2009 – REVISED AUGUST 2010
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TYPICAL CHARACTERISTICS: V_S = ±18V (continued)
At T_A = +25°C, R_L = 2kΩ connected to midsupply, V_CM = V_OUT = midsupply, unless otherwise noted.
THD+N RATIO vs FREQUENCY
THD+N RATIO vs FREQUENCY
0.001
V_OUT = 3V_RMS
BW = 80kHz
0.0001
G = -1
R_L = 600W
G = -1
R_L = 2kW
G = +1
R_L = 600W
-100
-120
0.01
0.001
+15V
RSOURCE OPA1641
-15V
RL
R_SOURCE
= 150W
R_SOURCE = 300W
R_SOURCE = 600W
-80
-100
G = +1
R_L = 2kW
0.0001
-120
0.00001
10
100
1k
Frequency (Hz)
Figure 7.
-140
10k 20k
0.00001
10
R_SOURCE = 0W
V_OUT = 3V_RMS
BW = 80kHz
-140
100
1k
10k 20k
Frequency (Hz)
Figure 8.
THD+N RATIO vs FREQUENCY
0.01
V_OUT = 3V_RMS
BW > 500kHz
-80
G = -1
R_L = 600W
0.001
0.0001
0.00001
10
G = +1
R_L = 600W
G = -1
R_L = 2kW
G = +1
R_L = 2kW
100
1k
10k
Frequency (Hz)
Figure 9.
-100
-120
-140
100k
0.01
0.001
THD+N RATIO vs FREQUENCY
+15V
RSOURCE OPA1641
-15V
RL
R_SOURCE = 600W
-80
-100
0.0001
0.00001
10
R_SOURCE = 300W
R_SOURCE = 0W
R_SOURCE
= 150W
-120
V_OUT = 3V_RMS
BW > 500kHz
-140
100
1k
10k
100k
Frequency (Hz)
Figure 10.
THD+N RATIO vs OUTPUT AMPLITUDE
0.01
BW = 80kHz
-80
1kHz Signal
R_SOURCE = 0W
0.001
-100
0.0001
-120
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
0.1
G = -1, R_L = 2kW
G = +1, R_L = 2kW
1
Output Amplitude (V_RMS)
Figure 11.
-140
10 20
CCIF Twin-Tone
(19kHz and 20kHz)
0.00001
0.1
1
Output Amplitude (V_RMS)
Figure 12.
-140
10 20
6
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