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CAT5114 Datasheet, PDF (6/15 Pages) Catalyst Semiconductor – 32-Tap Digitally Programmable Potentiometer (DPP) | |||
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CAT5114
APPLICATIONS INFORMATION
POTENTIOMETER CONFIGURATION
(a) resistive divider (b) variable resistance
(c) two-port
APPLICATIONS
V1 (-)
3+
A1
1
R3
R4
â
2
+5V
8
2
1 DPP
7
4
CAT5113/5114
V2 (+)
R2
R1
R2
6â
A2
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
2
1 DPP
7
R1
RA
6
pRPOT
4
7
+5V
8
4
3 5 (1-p)RPOT
3
CAT5114 RB
555
R2
6
C
0.01µF
0.003µF
2
5
1
0.01µF
Programmable Sq. Wave Oscillator (555)
100kâ¦
VOUT
VIN (UNREG)
SHUTDOWN
2952
1.23V
SD
FB
GND
+5V 1µF
8
2
1 DPP
7
CAT5113/5114
5
4
R1
11kâ¦
0.1µF
R2
820â¦
3
R3
10kâ¦
6
VO (REG)
6.8µF
IS
Programmable Voltage Regulator
+5V
8
2
1 DPP CAT5113/5114
7
4
330â¦
pR (1-p)R
330â¦
1Mâ¦
+5V
2
â7
3+ 4
6
3
5
10k
A1
6
+5V
2â 7
A2
VO
3+
6
4
LT1097
+2.5V
Programmable I to V Convertor
Doc. No. MD-2007 Rev. S
6
© 2009 SCILLC. All rights reserved.
Characteristics subject to change without notice
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