X9C303_09 Datasheet, PDF (7/10 Pages) Intersil Corporation – Logarithmic Digitally Controlled Potentiometer

X9C303
AC Electrical Specifications
Over recommended operating conditions, unless otherwise specified. Parameters with MIN and/or MAX
limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by
characterization and are not production tested. (Continued)
LIMITS
SYMBOL
PARAMETER
TYP
MIN
(Note 4)
MAX
UNIT
tR, tF (Note 5) INC Input Rise and Fall Time
tPU (Note 5) Power-up to Wiper Stable
tR VCC (Note 5) VCC Power-up Rate
500
ns
500
µs
0.2
50
mV/µs
AC Timing Diagram
CS
t_CI
INC
t_CYC
t_IL
t_IH
t_IC
t_ID
t_DI
t_CPH
90% 90%
10%
t_F
t_R
U/D
t_IW
V_W
(NOTE 6)
MI
NOTES:
4. Typical values are for T_A = +25°C and nominal supply voltage.
5. This parameter is not 100% tested.
6. MI in the “AC Timing Diagram” refers to the minimum incremental change in the V_W output due to a change in the wiper position.
7
FN8223.2
January 30, 2009