OPA140
OPA2140, OPA4140
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SBOS498A –JULY 2010–REVISED AUGUST 2010
TYPICAL CHARACTERISTICS (continued)
At TA = +25°C, VS = ±18V, RL = 2kΩ connected to midsupply, VCM = VOUT = midsupply, unless otherwise noted.
QUIESCENT CURRENT vs TEMPERATURE
QUIESCENT CURRENT vs SUPPLY VOLTAGE
2.5
2.0
1.5
1.0
0.5
0
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
0
OPA140
Specified Supply-Voltage Range
-75 -50 -25
0
25
50
75
100 125 150
0
4
8
12
16
20
24
28
32
36
Temperature (°C)
Supply Voltage (V)
Figure 14.
Figure 15.
GAIN AND PHASE vs FREQUENCY
CLOSED-LOOP GAIN vs FREQUENCY
140
120
100
80
180
135
90
40
30
CL = 30pF
G = +10
Gain
20
10
G = +1
60
0
40
-10
-20
-30
-40
Phase
20
45
G = -1
0
-20
0
10
100
1k
10k
100k
1M
10M
100M
100k
1M
10M
100M
Frequency (Hz)
Frequency (Hz)
Figure 16.
Figure 17.
OPEN-LOOP GAIN vs TEMPERATURE
OPEN-LOOP OUTPUT IMPEDANCE vs FREQUENCY
1k
0
10kW Load
-0.2
-0.4
-0.6
-0.8
-1.0
-1.2
-1.4
100
10
1
2kW Load
10
100
1k
10k
100k
1M
10M
100M
-75 -50 -25
0
25
50
75
100 125 150
Temperature (°C)
Frequency (Hz)
Figure 18.
Figure 19.
Copyright © 2010, Texas Instruments Incorporated
9
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