OPA1641 Datasheet, PDF (11/31 Pages) Texas Instruments – High-Performance, JFET-Input AUDIO OPERATIONAL AMPLIFIERS

www.ti.com
OPA1641, OPA1642, OPA1644
SBOS484C – DECEMBER 2009 – REVISED DECEMBER 2015
Typical Characteristics (continued)
At T_A = 25°C, R_L = 2 kΩ connected to midsupply, V_CM = V_OUT = midsupply, unless otherwise noted.
40
G = +1
35
30
25
R_OUT = 0W
+15V
OPA1641
ROUT
-15V
RL
CL
45
40
RI = 2kW
RF = 2kW
+15V
35
OPA1641
ROUT
CL
30
-15V
25
20
R_OUT = 24W
20
15
R_OUT = 51W
15
10
10
R_OUT = 0W
R_OUT = 24W
R_OUT = 51W
5
0
0 100 200 300 400 500 600 700 800 900 1000
5
G = -1
0
0 100 200 300 400 500 600 700 800 900 1000
Capacitive Load (pF)
Capacitive Load (pF)
Figure 19. Small-Signal Overshoot vs Capacitive Load
(100-mV Output Step)
0
-0.2
10kW
-0.4
-0.6
2kW
-0.8
-1.0
-1.2
-40
-15
10
35
60
85
Temperature (°C)
Figure 20. Small-Signal Overshoot vs Capacitive Load
(100-mV Output Step)
80
70
60
+I_B
50
40
30
20
10
-I_B
0
-10
-I_OS
-20
-40
-15
10
35
60
85
Temperature (°C)
Figure 21. Open-Loop Gain vs Temperature
10
V_S = ±18V
8
6
4
+I_B
-I_B
2
0
I_OS
-2
-4
-6
-8
-10
-18
Common-Mode Range
-12
-6
0
6
12
18
Common-Mode Voltage (V)
Figure 22. I_B and I_OS vs Temperature
2.5
2.0
1.5
1.0
0.5
0
-40 -25 -10 5
20 35 50 65 80 95 110 125
Temperature (°C)
Figure 23. I_B and I_OS vs Common-Mode Voltage
Figure 24. Quiescent Current vs Temperature
Copyright © 2009–2015, Texas Instruments Incorporated
Submit Documentation Feedback
11
Product Folder Links: OPA1641 OPA1642 OPA1644