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.
LARGE-SIGNAL POSITIVE SETTLING TIME
(10V Step)
LARGE-SIGNAL NEGATIVE SETTLING TIME
(10V Step)
1000
800
1000
800
600
600
400
400
16-bit Settling
16-bit Settling
200
200
0
0
-200
-400
-600
-800
-1000
-200
-400
-600
-800
-1000
( 1/2LSB = 0.00075%)
( 1/2LSB = 0.00075%)
0
0.5
1
1.5
2
2.5
3
3.5
4
0
0.5
1
1.5
2
2.5
3
3.5
4
Time (ms)
Time (ms)
Figure 26.
Figure 27.
SMALL-SIGNAL STEP RESPONSE
(100mV)
SMALL-SIGNAL STEP RESPONSE
(100mV)
CL = 100pF
CL = 100pF
G = +1
+15V
OPA140
-15V
RI = 2kW RF = 2kW
+15V
OPA140
RL
CL
CL
-15V
G = -1
Time (100ns/div)
Time (100ns/div)
Figure 28.
Figure 29.
LARGE-SIGNAL STEP RESPONSE
LARGE-SIGNAL STEP RESPONSE
G = +1
CL = 100pF
G = -1
CL = 100pF
Time (400ns/div)
Time (400ns/div)
Figure 30.
Figure 31.
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11
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