OPA180 Datasheet, PDF (9/38 Pages) Texas Instruments – OPAx180 0.1-μV/°C Drift, Low-Noise, Rail-to-Rail Output, 36-V, Zero-Drift Operational Amplifiers

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OPA180, OPA2180, OPA4180
SBOS584D – NOVEMBER 2011 – REVISED MAY 2014
7.9 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.
500
+I_IB
400
-I_IB
300
I_IO
200
100
0
-100
-200
-300
-20 -15 -10
-5 0
5
V_CM (V)
10 15 20
4000
I_IB+
3000
I_IB-
I_IO
2000
1000
0
-1000
-2000
-55 -35 -15
5 25 45 65
Temperature (°C)
85 105 125
Figure 1. I_IB and I_IO vs Common-Mode Voltage
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. Output Voltage Swing vs Output Current
(Maximum Supply)
Figure 2. Input Bias Current vs Temperature
40
(V-) < V_CM < (V+) - 1.5 V
35
(V-) + 0.5 V < V_CM < (V+) - 1.5 V
30
25
20
15
10
5
0
-55 -35 -15
V_SUPPLY = ±2 V
5 25 45 65
Temperature (°C)
85 105 125
Figure 4. CMRR vs Temperature
100
10
Time (1 s/div)
Peak-to-Peak Noise = 250 nV
Figure 5. 0.1-Hz to 10-Hz Noise
1
0.1
1
10
100
1k
10k 100k
Frequency (Hz)
Figure 6. Input Voltage Noise Spectral Density vs Frequency
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