OPA1641 Datasheet, PDF (12/31 Pages) Texas Instruments – High-Performance, JFET-Input AUDIO OPERATIONAL AMPLIFIERS

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.
2.00
60
1.75
1.50
1.25
50
I_SC-SOURCE
40
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)
30
I_SC-SINK
20
10 _{VOUT = Midsupply}
(includes self-heating)
0
-50 -25
0
25
50
75
Temperature (°C)
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100 125
Figure 25. Quiescent Current vs Supply Voltage
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 26. Short-Circuit Current vs Temperature
1k
100
10
1
10 100 1k 10k 100k 1M 10M 100M
Frequency (Hz)
Figure 27. Output Voltage vs Output Current
Figure 28. Open-Loop Output Impedance vs Frequency
12
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