CAT5114LI-10-G Datasheet, PDF (6/15 Pages) ON Semiconductor – 32-Tap Digitally Programmable Potentiometer

CAT5114
APPLICATIONS INFORMATION
POTENTIOMETER CONFIGURATION
(a) resistive divider (b) variable resistance
(c) two-port
APPLICATIONS
V₁ (-)
3₊
A₁
1
R₃
R₄
–
2
+5V
8
2
1 _DPP
7
4
CAT5113/5114
V₂ (+)
R₂
R₁
R₂
6_–
A₂
5⁺
7
+5V
9
– ⁴ A₃
V_O
10 ⁺
8
11
R₃
R₄
+2.5V
A₁ = A₂ = A₃ = ¼ LM6064
R₂ = R₃ = R₄ = 5kΩ
R_POT = 10kΩ
Programmable Instrumentation Amplifier
+5V
8
2
1 _DPP
7
R₁
R_A
6
pR_POT
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)
100kΩ
V_OUT
V_IN (UNREG)
SHUTDOWN
2952
1.23V
SD
FB
GND
+5V ^1µF
8
2
1 _DPP
7
CAT5113/5114
5
4
R₁
11kΩ
0.1µF
R₂
820Ω
3
R₃
10kΩ
6
V_O (REG)
6.8µF
I_S
Programmable Voltage Regulator
+5V
8
2
1 _DPP ^CAT5113/5114
7
4
330Ω
pR (1-p)R
330Ω
1MΩ
+5V
2
–⁷
3⁺ 4
6
3
5
10k
A₁
6
+5V
2_{– 7}
A₂
V_O
3⁺
6
4
LT1097
+2.5V
Programmable I to V Convertor
Doc. No. MD-2007 Rev. R
6
© 2008 SCILLC. All rights reserved.
Characteristics subject to change without notice