OPA2140 Datasheet, PDF (9/25 Pages) Texas Instruments – High-Precision, Low-Noise, Rail-to-Rail Output 11MHz JFET Op Amp

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