X9C303_09 Datasheet, PDF (4/10 Pages) Intersil Corporation – Logarithmic Digitally Controlled Potentiometer

Symbol Table
WAVEFORM
INPUTS
Must be
steady
May change
from Low to
High
May change
from High to
Low
Don’t Care:
Changes
Allowed
N/A
OUTPUTS
Will be
steady
Will change
from Low to
High
Will change
from High to
Low
Changing:
State Not
Known
Center Line
is High
Impedance
X9C303
Typical Electrical Taper
100
90
80
70
60
50
40
30
20
10
0
TAP
Test Circuit #1
V_S
Test Circuit #2
V_H
TEST POINT
V_W
V_L
V_H
TEST POINT
V_W
FORCE
V_L
CURRENT
R(V_H - V_W)
R(V_W - V_L)
Circuit #3 SPICE Macro Model
R_TOTAL
R_H
R_L
C_H
C_W
C_L
10pF
10pF
25pF
R_W
4
FN8223.2
January 30, 2009