Datasheet

100
10
1
VoltageNoiseDensity(nV/ )ÖHz
0.1 10 100 1k 10k 100k
Frequency(Hz)
1
0.01
0.001
0.0001
0.00001
Total Harmonic Distortion + Noise (%)
10 100 1k 10k 20k
Frequency (Hz)
Total Harmonic Distortion + Noise (dB)
V = 1 V
BW = 80 kHz
OUT RMS
G = +1, R = 10 kW
L
G = 1, R = 10 k- W
L
-80
-100
-120
-140
1
0.8
0.6
0.4
0.2
0
0.2
0.4
0.6
0.8
1
-
-
-
-
-
Power-Supply Rejection Ratio ( V/V)m
-55 -35 -15 5 25 125
Temperature ( C)°
45 1058565
5 Typical Units Shown
V = 2 V to 18 V
SUPPLY
± ±
50nV/div
Time (1s/div)
C016
+3*sigma
-3*sigma
3*Sigma Noise = 172nV
PP
Peak-to-Peak Noise = V
RMS
*6.6 = 250nV
40
35
30
25
20
15
10
5
0
Common-Mode Rejection Ratio ( V/V)m
-55 -35 -15 5 25 125
Temperature ( C)°
45 1058565
(V ) < V < (V+) 1.5 V-
CM
-
(V ) + 0.5 V < V < (V+) 1.5 V- -
CM
V = 2 V
SUPPLY
±
8
7
6
5
4
3
2
1
0
Common-Mode Rejection Ratio ( V/V)m
-55 -35 -15 5 25 125
Temperature ( C)°
45 1058565
(V ) < V < (V+) 1.5 V-
CM
-
(V ) + 0.5 V < V < (V+) 1.5 V- -
CM
V = 18 V
SUPPLY
±
OPA188
www.ti.com SBOS642A –MARCH 2013–REVISED MARCH 2013
TYPICAL CHARACTERISTICS (continued)
V
S
= ±18 V, V
CM
= V
S
/ 2, R
LOAD
= 10 kΩ connected to V
S
/ 2, and C
L
= 100 pF, unless otherwise noted.
Figure 14. CMRR vs TEMPERATURE Figure 15. CMRR vs TEMPERATURE
Figure 16. PSRR vs TEMPERATURE Figure 17. 0.1-Hz TO 10-Hz NOISE
Figure 18. INPUT VOLTAGE NOISE SPECTRAL DENSITY vs Figure 19. THD+N RATIO vs FREQUENCY
FREQUENCY
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