Datasheet

1 10 100 1k 10k 100k
0.1
1
10
100
0.1
1
10
100
Frequency (Hz)
Voltage Noise (nV/ Hz)
Current Noise (pA/
Hz)
Voltage Noise
Current Noise
G001
Time (1s/div)
Voltage Noise ( 50nV/div)
G002
0
2
5
8
10
12
15
10k 100k 1M 10M
Frequency (Hz)
Output Voltage (V)
V
S
= ± 15 V
V
S
= ± 5 V
V
S
= ± 1.5 V
G004
1
10
100
1k
10k
100 1k 10k 100k 1M
Resistor Noise
OPA166x
OPA165x
Source Resistance ( )W
Voltage Noise (nV/
Hz)
E
o
2
= e
n
2
+ (i
n
R
S
)
2
+ 4KTR
S
G003
R
S
E
O
10 100 1k 10k 100k 1M 10M 100M
−20
0
20
40
60
80
100
120
140
0
45
90
135
180
Frequency (Hz)
Gain (dB)
Phase (°)
Gain
Phase
C
L
= 100pF
G005
−20
0
20
40
1k 10k 100k 1M 10M 100M
Frequency (Hz)
Gain (dB)
Gain = −1V/V
Gain = +1V/V
Gain = +10V/V
G006
OPA1662
OPA1664
SBOS489 –DECEMBER 2011 www.ti.com
TYPICAL CHARACTERISTICS
At T
A
= +25°C, V
S
= ±15 V, and R
L
= 2 kΩ, 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.
6 Copyright © 2011, Texas Instruments Incorporated
Product Folder Link(s): OPA1662 OPA1664