TLE2682 Datasheet, PDF (25/49 Pages) Texas Instruments – HIGH-SPEED JFET-INPUT DUAL OPERATIONAL AMPLIFIER WITH SWITCHED-CAPACITOR VOLTAGE CONVERTER

TLE2682
HIGHĆSPEED JFETĆINPUT DUAL OPERATIONAL AMPLIFIER
WITH SWITCHEDĆCAPACITOR VOLTAGE CONVERTER
SLOS127 − JUNE 1993
TYPICAL CHARACTERISTICS^†
OPERATIONAL AMPLIFIER SECTION
PHASE MARGIN
vs
SUPPLY VOLTAGE
90°
80°
70°
60°
CL = 25 pF
50°
CL = 100 pF
40°
30°
20° ^{VIC = 0}
VO = 0
10° ^{RL = 2 kΩ}
TA = 25°C
0°
0
4
8
12
16
|VCC _±| − Supply Voltage − V
Figure 53
NONINVERTING LARGE-SIGNAL
PULSE RESPONSE
15
TA = 25°C,
85°C
10
TA = − 40°C
5
TA = − 40°C
PHASE MARGIN
vs
LOAD CAPACITANCE
90°
80°
70°
60°
VCC _± = ± 15 V
50°
VCC _± = ± 5 V
40°
30°
20° ^{VIC = 0}
VO = 0
10° ^{RL = 2 kΩ}
TA = 25°C
0°
0
20
40
60
80
100
CL − Load Capacitance − pF
Figure 54
SMALL-SIGNAL PULSE RESPONSE
100
50
0
TA = 25°C,
85°C
−5
VCC _± = ± 15 V
− 10
AV = 1
RL = 2 kΩ
CL = 100 pF
− 15
0
1
2
3
4
5
t − Time − µs
Figure 55
0
− 50
− 100
VCC _± = ± 15 V
AV = − 1
RL = 2 kΩ
CL = 100 pF
TA = 25°C
0
0.4
0.8
1.2
1.6
t − Time − µs
Figure 56
† _{Data applies to the operational amplifier block only. Switched-capacitor block is not supplying VCC − supply.}
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