OPA1641_15 Datasheet, PDF (9/29 Pages) Texas Instruments – High-Performance, JFET-Input AUDIO OPERATIONAL AMPLIFIERS

www.ti.com
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.
I_B AND I_OS vs COMMON-MODE VOLTAGE
QUIESCENT CURRENT vs TEMPERATURE
10
V_S = ±18V
2.5
8
6
2.0
4
+I_B
-I_B
2
1.5
0
I_OS
-2
1.0
-4
-6
-8
-10
-18
Common-Mode Range
-12
-6
0
6
12
18
Common-Mode Voltage (V)
0.5
0
-40 -25 -10 5
20 35 50 65 80 95 110 125
Temperature (°C)
Figure 25.
Figure 26.
QUIESCENT CURRENT vs SUPPLY VOLTAGE
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
Specified Supply-Voltage Range
0
0 4 8 12 16 20 24 28 32 36
Supply Voltage (V)
Figure 27.
SHORT-CIRCUIT CURRENT vs TEMPERATURE
60
50
I_SC-SOURCE
40
30
I_SC-SINK
20
10 _{VOUT = Midsupply}
(includes self-heating)
0
-50 -25
0
25
50
75
Temperature (°C)
Figure 28.
100 125
OUTPUT VOLTAGE vs OUTPUT CURRENT
18.0
17.5
17.0
16.5
16.0
+85°C
-40°C +25°C
+125°C
-16.0
-16.5
-17.0
-17.5
-18.0
0
10
20
30
40
50
Output Current (mA)
Figure 29.
OPEN-LOOP OUTPUT IMPEDANCE vs FREQUENCY
1k
100
10
1
10 100 1k 10k 100k 1M 10M 100M
Frequency (Hz)
Figure 30.
Copyright © 2009–2010, Texas Instruments Incorporated
9
Product Folder Link(s): OPA1641 OPA1642 OPA1644