OPA140
OPA2140, OPA4140
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SBOS498A –JULY 2010–REVISED AUGUST 2010
TYPICAL CHARACTERISTICS
At TA = +25°C, VS = ±18V, RL = 2kΩ connected to midsupply, VCM = VOUT = midsupply, unless otherwise noted.
OFFSET VOLTAGE PRODUCTION DISTRIBUTION
OFFSET VOLTAGE DRIFT DISTRIBUTION
Offset Voltage (mV)
Offset Voltage Drift (mV/°C)
Figure 2.
Figure 3.
INPUT OFFSET VOLTAGE vs TEMPERATURE
(144 Amplifiers)
OFFSET VOLTAGE vs COMMON-MODE VOLTAGE
160
120
80
120
18 Typical Units Shown
100
80
60
40
40
20
0
0
-20
-40
-60
-80
-100
-120
-40
-80
-120
-160
-40 -25 -10
5
20 35 50 65 80 95 110 125
-18
-12
-6
0
6
12
18
Temperature (?C)
VCM (V)
Figure 4.
Figure 5.
OUTPUT VOLTAGE SWING vs OUTPUT CURRENT
(MAX SUPPLY)
IB vs COMMON-MODE VOLTAGE
18.0
10
8
17.5
17.0
16.5
16.0
Specified Common-Mode
Voltage Range
+14.5V
-0.1V
6
+25°C
-40°C
+85°C
+125°C
4
-16.0
-16.5
-17.0
-17.5
-18.0
+IB
2
-IB
-18 -15 -12 -9 -6 -3
0
0
10
20
30
40
50
60
70
0
3
6
9
12 15 18
Output Current (mA)
VCM (V)
Figure 6.
Figure 7.
Copyright © 2010, Texas Instruments Incorporated
7
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