CAT524_04 Datasheet, PDF (9/13 Pages) Catalyst Semiconductor – Configured Digitally Programmable Potentiometer

APPLICATION CIRCUITS (Cont.)
+5V
1.0 µF
VREF
VDD
VREFH
CAT524
DPP 1
CS
DI
DO
PROG
CLK
DPP 2
DPP 3
DPP 4
GND
VREFL
VIN
+ ^{LM 339}
–
10K
+5V
+
–
+
–
10K
+5V
+
–
+
–
10K
+5V
+
–
+
–
10K
+5V
+
–
+
–
10K
+5V
+
–
WINDOW 1
WINDOW 2
WINDOW 3
WINDOW 4
WINDOW 5
CAT524
VREF
VOUT1
VOUT2
WINDOW 1
WINDOW 2
WINDOW 3
VOUT3
VOUT4
GND
WINDOW 4
WINDOW 5
WINDOW STRUCTURE
Staircase Window Comparator
+5V
1.0 F
VREF
VDD
VREFH
CAT524
DPP 1
CS
DI
DO
PROG
CLK
DPP 2
DPP 3
DPP 4
GND
VREFL
VIN
+ ^{LM 339}
–
10K
+5V
+
–
+
–
10K
+5V
+
–
+
–
10K
+5V
+
–
+
–
10K
+5V
+
–
+
–
10K
+5V
+
–
WINDOW 1
WINDOW 2
WINDOW 3
WINDOW 4
WINDOW 5
VREF
VOUT1
VOUT2
WINDOW 1
WINDOW 2
WINDOW 3
VOUT3
VOUT4
GND
WINDOW 4
WINDOW 5
WINDOW STRUCTURE
Overlapping Window Comparator
9
Doc. No. 2006, Rev. E