X9448 Datasheet, PDF (16/19 Pages) Xicor Inc. – Mixed Signal with 2-Wire Interface

X9448
BASIC APPLICATION (continued)
Programmable Level Detector (alternate technique)
+
V_S
R₁ {
–
R₂ {
+
V_OUT
V_OUT
V_OUT
=
High for
V_S < –
R_-----1-
R₂
V_R
V_OUT
=
Low for
V_S > –
R_-----1-
R₂
V_R
R₁ + R₂ = R_POT
+
V_R
-R₁
R₂
V_R
V_SS
V_CC
V_S
Programmable Time Delay with Memory
+5V
V_H
V_W
–
+
V_L
V_NI
V_S
R
C
V_OUT
V_OUT
V_S
V_NI
V_OUT
+5v
t
+5v
V_W
t
+5v
t
Dt
∆t
=
RC
ln


-₅---_V-----₍⁵--–--^V-_V-----_W-----_{)}
16
FN8201.0
April 18, 2005