CAT525_0711 Datasheet, PDF (2/16 Pages) Catalyst Semiconductor – Quad Digitally Programmable Potentiometer (DPP™) with 256 Taps and Microwire Interface

CAT525
FUNCTIONAL DIAGRAM
V_REFH1 V_REFH3
V_REFH2 V_REFH4
2 1 20 19
5
RDY/BSY
9
PROG
PROGRAM
CONTROL
4
CLK
6
CS
7
DI
H.V.
CHARGE
PUMP
SERIAL
DATA
OUTPUT
REGISTER
+
18 _VOUT1
–
+
17 _VOUT2
–
+
16 _VOUT3
–
24kΩ
(ea)
+
15 _VOUT4
–
8 _DO
11 12 13 14
V_REFL2 V_REFL4
V_REFL1 V_REFL3
Doc. No. MD-2001 Rev. H
2
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Characteristics subject to change without notice