TLE2682 Datasheet, PDF (34/49 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
APPLICATION INFORMATION
RIPPLE AND SWITCHING NOISE ON
SWITCHED-CAPACITOR OUTPUT
vs
TIME
20
VCC+ = 5 V
15
IL = 1 mA
CIN = 100 µF
COUT = 10 µF
10 Without Filter
5
0
−5
RIPPLE AND SWITCHING NOISE ON
SWITCHED-CAPACITOR OUTPUT
vs
TIME
20
VCC+ = 5 V
15
IL = 1 mA
CIN = 100 µF
COUT = 10 µF
10
5
0
−5
− 10
− 15
− 20
0 10 20 30 40 50 60 70 80 90 100
t − Time − µs
Figure 79
− 10
Filter:
− 15
− 20
0
LF = 50 µH
CF = 220 µF
See Figure 78
10 20 30 40 50 60 70 80 90 100
t − Time − µs
Figure 80
RIPPLE AND SWITCHING NOISE ON
SWITCHED-CAPACITOR OUTPUT
vs
TIME
20
VCC+ = 5 V
15
IL = 1 mA
CIN = 100 µF
COUT = 100 µF
10 Without Filter
5
0
−5
RIPPLE AND SWITCHING NOISE ON
SWITCHED-CAPACITOR OUTPUT
vs
TIME
20
VCC+ = 5 V
15
IL = 1 mA
CIN = 100 µF
COUT = 100 µF
10
5
0
−5
− 10
− 15
− 20
0
10 20 30 40 50 60 70 80 90 100
t − Time − µs
Figure 81
− 10
Filter:
− 15
LF = 50 µH
CF = 220 µF
See Figure 78
− 20
0 10 20 30 40 50 60 70 80 90 100
t − Time − µs
Figure 82
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