Datasheet

50nV/div
Time (1s/div)
100
10
1
Voltage Noise Density (nV/ )
Input Bias Current Noise (pA/
Hz
Hz)
?
?
0.1 1 10 100
1k 10k 100k
Frequency (Hz)
Current Noise
Density
Voltage Noise
Density
15
12.5
10
7.5
5
2.5
0
Output Voltage (V )
P
10k 100k 1M 10M
Frequency (Hz)
V =
S
±2.25V
V =
S
±15V
V =
S
±5V
Maximum output
voltage without slew-
rate induced distortion
10k
1k
100
10
1
Voltage Noise Spectral Density, E
O
(nV/ )HzÖ
100
1k 10k 100k 1M
Source Resistance, R ( )W
S
OPA164x
OPA160x
E = e
O n S
+ (i R ) + 4kTR
n S
2 2 2
R
S
E
O
Resistor
Noise
10 100
1k 10k 100k 1M 10M 100M
Frequency (Hz)
140
120
100
80
60
40
20
0
20-
Gain (dB)
180
135
90
45
0
Phase (degrees)
Phase
Gain
25
20
15
10
5
0
5
10
15
20
25-
-
-
-
-
Gain (dB)
100k 1M 10M 100M
Frequency (Hz)
G = +10
G = +1
G = 1-
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
Figure 1. Figure 2.
VOLTAGE NOISE vs SOURCE RESISTANCE MAXIMUM OUTPUT VOLTAGE vs FREQUENCY
Figure 3. Figure 4.
GAIN AND PHASE vs FREQUENCY CLOSED-LOOP GAIN vs FREQUENCY
Figure 5. Figure 6.
Copyright © 2011, Texas Instruments Incorporated 5
Product Folder Link(s): OPA1602 OPA1604