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CAT5113LI-01-G Datasheet, PDF (6/13 Pages) ON Semiconductor – 100-Tap Digitally Programmable Potentiometer | |||
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CAT5113
APPLICATIONS INFORMATION
Potentiometer Configuration
(a) resistive divider (b) variable resistance
(c) two-port
Applications
V1 (-)
3+
R3
R4
1
â
2
+5V
8
2
1 DPP
7
4
CAT5113/5114
V2 (+)
R2
R1
R2
6â
5+
7
+5V
9
â 4 A3
VO
10 +
8
11
R3
R4
+2.5V
A1 = A2 = A3 = ¼ LM6064
R2 = R3 = R4 = 5kâ¦
RPOT = 10kâ¦
Programmable Instrumentation Amplifier
+5V
8
R1
2
RA
6
1 DPP
7
pRPOT
4
7
+5V
8
4
3 5 (1-p)RPOT
3
RB
555
R2
6
0.01µF
2
C
0.003µF
5
1
0.01µF
Programmable Sq. Wave Oscillator (555)
OSC
IC3A
¼ 74HC132
10kâ¦
0.01µF
CS
+5V +200mV
8
2
1 DPP
7
4
+
â
CAT5111/5112
IC2
7
6
VREF = 1V
20kâ¦
5
IC1B
VCORR
499kâ¦
499kâ¦
+5V
2â
4
1
VOUT = 1V ± 1mV
3+
11 IC1A
-5V
499kâ¦
499kâ¦
VSENSOR = 1V ± 50mV
Sensor Auto Referencing Circuit
Doc. No. MD-2009 Rev. X
6
© 2008 SCILLC. All rights reserved.
Characteristics subject to change without notice
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