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| OPA2140 Datasheet, PDF (11/25 Pages) Texas Instruments – High-Precision, Low-Noise, Rail-to-Rail Output 11MHz JFET Op Amp | |||
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OPA140
OPA2140, OPA4140
www.ti.com
SBOS498A â JULY 2010 â REVISED AUGUST 2010
TYPICAL CHARACTERISTICS (continued)
At TA = +25°C, VS = ±18V, RL = 2k⦠connected to midsupply, VCM = VOUT = midsupply, unless otherwise noted.
LARGE-SIGNAL POSITIVE SETTLING TIME
LARGE-SIGNAL NEGATIVE SETTLING TIME
(10V Step)
(10V Step)
1000
1000
800
800
600
600
400
400
16-bit Settling
16-bit Settling
200
200
0
0
-200
-400
(±1/2LSB = ±0.00075%)
-200
-400
(±1/2LSB = ±0.00075%)
-600
-600
-800
-800
-1000
0 0.5 1 1.5 2 2.5 3 3.5 4
-1000
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)
CL = 100pF
SMALL-SIGNAL STEP RESPONSE
(100mV)
CL = 100pF
+15V
OPA140
-15V
G = +1
RL
CL
Time (100ns/div)
Figure 28.
LARGE-SIGNAL STEP RESPONSE
G = +1
CL = 100pF
RI = 2kW RF = 2kW
+15V
OPA140
G = -1
CL
-15V
Time (100ns/div)
Figure 29.
LARGE-SIGNAL STEP RESPONSE
G = -1
CL = 100pF
Time (400ns/div)
Figure 30.
Time (400ns/div)
Figure 31.
Copyright © 2010, Texas Instruments Incorporated
11
Product Folder Link(s): OPA140 OPA2140 OPA4140
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