OPA2180 Datasheet, PDF (7/25 Pages) Texas Instruments – 0.1-μV/°C Drift, Low-Noise, Rail-to-Rail Output, 36-V, Zero-Drift OPERATIONAL AMPLIFIERS

OPA2180
OPA4180
www.ti.com
SBOS584B – NOVEMBER 2011 – REVISED DECEMBER 2011
TYPICAL CHARACTERISTICS
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.
I_B AND I_OS vs COMMON-MODE VOLTAGE
500
+I_B
400
-I_B
300
I_OS
200
4000
3000
2000
INPUT BIAS CURRENT vs TEMPERATURE
I_B+
I_B-
I_OS
100
1000
0
-100
-200
0
-1000
-300
-20 -15 -10
-5 0
5
V_CM (V)
Figure 1.
10 15 20
-2000
-55 -35 -15
5 25 45 65
Temperature (°C)
Figure 2.
85 105 125
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 3.
CMRR vs TEMPERATURE
40
(V-) < V_CM < (V+) - 1.5 V
35
(V-) + 0.5 V < V_CM < (V+) - 1.5 V
30
V_SUPPLY = ±2 V
25
20
15
10
5
0
-55 -35 -15
5 25 45 65
Temperature (°C)
Figure 4.
85 105 125
0.1-Hz TO 10-Hz NOISE
INPUT VOLTAGE NOISE SPECTRAL DENSITY vs
FREQUENCY
100
Peak-to-Peak Noise = 250 nV
Time (1 s/div)
Figure 5.
10
1
0.1
1
10
100
1k
10k 100k
Frequency (Hz)
Figure 6.
Copyright © 2011, Texas Instruments Incorporated
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