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OPA4188_15 Datasheet, PDF (9/28 Pages) Texas Instruments – 0.03-μV/°C Drift, Low-Noise, Rail-to-Rail Output,36-V, Zero-Drift OPERATIONAL AMPLIFIERS
OPA4188
www.ti.com
SBOS641B – JUNE 2012 – REVISED MARCH 2013
TYPICAL CHARACTERISTICS (continued)
VS = ±18 V, VCM = VS / 2, RLOAD = 10 kΩ connected to VS / 2, and CL = 100 pF, unless otherwise noted.
IB AND IOS vs COMMON-MODE VOLTAGE
500
+IB
400
-IB
300
IOS
4000
3000
INPUT BIAS CURRENT vs TEMPERATURE
IB+
IB-
IOS
2000
200
100
1000
0
-100
-200
0
-1000
-300
-20 -15 -10
-5 0
5
VCM (V)
Figure 7.
10 15 20
-2000
-55 -35 -15
5 25 45 65 85 105 125 150
Temperature (°C)
Figure 8.
OUTPUT VOLTAGE SWING vs OUTPUT CURRENT
(Maximum Supply)
20
19
-40°C
18
+85°C
17
+125°C
16
15
14
-14
-15
-16
-17
-18
-19
-20
0 2 4 6 8 10 12 14 16 18 20 22 24
Output Current (mA)
Figure 9.
CMRR AND PSRR vs FREQUENCY
(Referred-to-Input)
160
140
120
100
80
60
40
20
0
1
+PSRR
-PSRR
CMRR
10
100
1k
10k
100k
1M
Frequency (Hz)
Figure 10.
CMRR vs TEMPERATURE
40
(V-) < VCM < (V+) - 1.5 V
35
(V-) + 0.5 V < VCM < (V+) - 1.5 V
30
VSUPPLY = ±2 V
25
20
15
10
5
0
-55 -35 -15
5 25 45 65 85 105 125 150
Temperature (°C)
Figure 11.
CMRR vs TEMPERATURE
8
(V-) < VCM < (V+) - 1.5 V
7
(V-) + 0.5 V < VCM < (V+) - 1.5 V
6
VSUPPLY = ±18 V
5
4
3
2
1
0
-55 -35 -15
5 25 45 65 85 105 125 150
Temperature (°C)
Figure 12.
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