OPA1652_15 Datasheet, PDF (8/29 Pages) Texas Instruments – Low Noise and Distortion, General-Purpose, FET-Input AUDIO OPERATIONAL AMPLIFIERS

OPA1652
OPA1654
SBOS477 – DECEMBER 2011
www.ti.com
TYPICAL CHARACTERISTICS (continued)
At T_A = +25°C, V_S = ±15 V, and R_L = 2 kΩ, unless otherwise noted.
SMALL-SIGNAL OVERSHOOT
vs CAPACITIVE LOAD
SMALL-SIGNAL OVERSHOOT
vs CAPACITIVE LOAD
50
R_S = 0 W
45
R_S = 25 W
40
R_S = 50 W
+15 V
35
R_S
OPA1652
30
25
V_OUT = 100 mV_PP
-15 V
R_L
C_L
G = +1 V/V
20
50
45
40
RI = 2 kW
RF = 2 kW
+15 V
OPA1652
35
-15 V
30
RS
CL
25 V_OUT = 100 mV_PP
20 ^{G = −1 V/V}
R_S = 0 W
R_S = 25 W
R_S = 50 W
15
15
10
10
5
5
0
0 50 100 150 200 250 300 350 400
Capacitance (pF)
G019
Figure 19.
0
0 50 100 150 200 250 300 350
Capacitance (pF)
Figure 20.
400
G020
SMALL-SIGNAL OVERSHOOT
vs FEEDBACK CAPACITOR (100mV Output Step)
25
V_OUT = 100 mV_PP
G = −1 V/V
20 RS = 0 W
15
C_F
R_I = 2 kW
R_F = 2 kW
+15 V
OPA1652
-15 V
R_S
C_L
10
OPEN-LOOP GAIN vs TEMPERATURE
4
3
2
1
5
0
0
1
2
3
4
5
Capacitance (pF)
G021
Figure 21.
1200
800
400
0
−400
−800
−1200
−1600
−2000
−40
I_B AND I_OS vs TEMPERATURE
I_bn
I_bp
I_os
−15 10
35
60
85 110
Temperature (°C)
Figure 23.
135
G023
0
−1
−40 −15
10
35
60
85
Temperature (°C)
Figure 22.
R_L = 2 kΩ
110 135
G022
I_B AND I_OS vs COMMON-MODE VOLTAGE
8
I_bp
6
I_bn
I_os
4
2
0
−2
−4
−6
−8
−18 −15 −12 −9 −6 −3 0 3 6 9
Common − Mode Voltage (V)
Figure 24.
12 15 18
G024
8
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