OPA1602_15 Datasheet, PDF (5/29 Pages) Texas Instruments – High-Performance, Bipolar-Input AUDIO OPERATIONAL AMPLIFIERS

OPA1602
OPA1604
www.ti.com
SBOS474B – APRIL 2011 – REVISED NOVEMBER 2011
TYPICAL CHARACTERISTICS
At T_A = +25°C, V_S = ±15V, and R_L = 2kΩ, unless otherwise noted.
INPUT VOLTAGE NOISE DENSITY AND
INPUT CURRENT NOISE DENSITY vs FREQUENCY
0.1Hz TO 10Hz NOISE
100
10
Voltage Noise
Density
Current Noise
Density
1
0.1
1
10
100
1k
Frequency (Hz)
Figure 1.
10k
100k
VOLTAGE NOISE vs SOURCE RESISTANCE
10k
E_O
1k
R_S
OPA160x
100
OPA164x
10
1
100
Resistor
Noise
E_O2 = e_n2 + (i_n R_S)² + 4kTR_S
1k
10k
100k
1M
Source Resistance, R_S (W)
Figure 3.
140
120
100
80
60
40
20
0
-20
10
GAIN AND PHASE vs FREQUENCY
180
Gain
135
90
Phase
45
0
100 1k 10k 100k 1M 10M 100M
Frequency (Hz)
Figure 5.
Time (1s/div)
Figure 2.
MAXIMUM OUTPUT VOLTAGE vs FREQUENCY
15
V_S = ±15V
12.5
Maximum output
voltage without slew-
rate induced distortion
10
7.5
5 ^VS ^{= ±5V}
2.5 V_S = ±2.25V
0
10k
100k
1M
10M
Frequency (Hz)
Figure 4.
25
20
15
10
5
0
-5
-10
-15
-20
-25
100k
CLOSED-LOOP GAIN vs FREQUENCY
G = +10
G = +1
G = -1
1M
10M
Frequency (Hz)
Figure 6.
100M
Copyright © 2011, Texas Instruments Incorporated
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