OPA1641_15 Datasheet, PDF (7/29 Pages) Texas Instruments – High-Performance, JFET-Input AUDIO OPERATIONAL AMPLIFIERS

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OPA1641
OPA1642
OPA1644
SBOS484B – DECEMBER 2009 – REVISED AUGUST 2010
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.
CHANNEL SEPARATION vs FREQUENCY
NO PHASE REVERSAL
-80 _{VS = ±15V}
-90
V_OUT = 3V_RMS
G = +1
Output
-100
R_L = 600W
-110
+18V
-120
-130
-140
10
R_L = 2kW
R_L = 5kW
100
1k
10k
Frequency (Hz)
100k
OPA1641
-18V
37VPP
Sine Wave
(±18.5V)
Output
Time (0.4ms/div)
Figure 13.
Figure 14.
SMALL-SIGNAL STEP RESPONSE
(100mV)
G = +1
C_L = 100pF
SMALL-SIGNAL STEP RESPONSE
(100mV)
G = -1
C_L = 100pF
+15V
OPA1641
-15V
R_L
C_L
Time (100ns/div)
Figure 15.
LARGE-SIGNAL STEP RESPONSE
G = +1
C_L = 100pF
R_I = 2kW R_F = 2kW
+15V
OPA1641
C_L
-15V
Time (100ns/div)
Figure 16.
LARGE-SIGNAL STEP RESPONSE
G = -1
C_L = 100pF
Time (400ns/div)
Figure 17.
Time (400ns/div)
Figure 18.
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