OPA1641_101 Datasheet, PDF (5/25 Pages) Texas Instruments – High-Perforamnce,JFET-Input AUDIO OPERATIONAL AMPLIFIERS

www.ti.com
OPA1641
OPA1642
OPA1644
SBOS484A – DECEMBER 2009 – REVISED APRIL 2010
TYPICAL CHARACTERISTICS: V_S = ±18V
At T_A = +25°C, R_L = 2kΩ connected to midsupply, V_CM = V_OUT = midsupply, unless otherwise noted.
INPUT VOLTAGE NOISE DENSITY vs FREQUENCY
0.1Hz to 10Hz NOISE
100
10
1
0.1
1
10
100
1k
10k
100k
Frequency (Hz)
Figure 1.
MAXIMUM OUTPUT VOLTAGE vs FREQUENCY
35
30
V_S = ±15V
25
Maximum output
voltage range
without slew-rate
induced distortion
20
15
10
V_S = ±5V
5
V_S = ±2.25V
0
10k
100k
1M
10M
Frequency (Hz)
Figure 3.
GAIN AND PHASE vs FREQUENCY
140
120
Gain
100
80
60
40
Phase
20
0
-20
50 100
1k
10k 100k 1M 10M
Frequency (Hz)
Figure 5.
180
135
90
45
0
100M
Time (1s/div)
Figure 2.
CMRR AND PSRR vs FREQUENCY (Referred to Input)
160
140
CMRR
120
100
-PSRR
80
+PSRR
60
40
20
0
1 10 100 1k 10k 100k 1M 10M 100M
Frequency (Hz)
Figure 4.
CLOSED-LOOP GAIN vs FREQUENCY
30
20
G = +10
10
G = +1
0
-10
-20
100k
G = -1
1M
10M
Frequency (Hz)
Figure 6.
100M
Copyright © 2009–2010, Texas Instruments Incorporated
5
Product Folder Link(s): OPA1641 OPA1642 OPA1644