CAT5113 Datasheet, PDF (7/9 Pages) Catalyst Semiconductor – 100-Tap Digitally Programmable Potentiometer

APPLICATIONS INFORMATION
100k
VIN (UNREG)
SHUTDOWN
1F
VOUT
2952
SD
FB
GND
+5V
8
U/
2 _Control
1
and
7 ^Memory
POR
4
CAT5114/5113
1.23V
5
R1
11k
.1
R2
820
3
R3
10k
6
Programmable Voltage Regulator
V0 (REG)
6.8 F
IS
+5V
8
U/ 2
1
CAT5114/5113
7
4
330
pR (1-p)R ₃₃₀
2^–
3⁺
6
3
5
+5V
7
6
4
10k
A1
CAT5113
1M
+5V
2^–
3⁺
76
4 ^A2
VO
LT1097
+2.5V
Programmable I to V convertor
1F
R1
50k
VS
+5V
C1
.001
C2
.001
R2
10k
CAT5114/5113
R3
100k
+5V
2_–
3₊
7
6
4
VO
A1
+2.5V
+5V
+5V
Serial
Bus
CAT5112/5111
R1
–
VS ^100k
+
R1
+2.5V
100k
R1
100k
R1
100k
+5V
2_–
R
4 ₁ ^2.5k
IS
3₊
11
5
7
6
A2
+2.5V
A1=A2=1/4 LMC6064A
Programmable Bandpass Filter
Programmable Current Source/Sink
OSC
10k
+5V
IC2
74HC132
1
CLO
IC1
393
2
VLL ^R1
3
0.1 F
R2
6
7
R3
+5V
5
CHI
VUL
IC3
CAT5114/5113
+5V
8
2 _U/D
1
INC
7
CS
4
6
10k
5
3
+5V
–
+
AI
IC4
VS +2.5V
VO
2.5V < VO < 5V
0 < VS < 2.5V
Automatic Gain Control
7
Doc. No. 2009, Rev. R