X9317
AC Electrical Specifications
V
= 5V ±10%, T = Full Operating Temperature Range unless otherwise stated (Continued)
CC
A
SYMBOL
PARAMETER
MIN
TYP (Note 4)
MAX
UNIT
µs
t
INC cycle time
INC input rise and fall time
2
CYC
t
t
500
µs
R, F
(Note 5)
t
(Note 5) Power up to wiper stable
5
µs
PU
t
V
V
power-up rate
0.2
50
V/ms
R
CC
CC
(Note 5)
t
Store Cycle
5
10
ms
WR
spec is always in effect. In order to prevent unwanted tap
position changes, or an inadvertent store, bring the CS and
Power Up and Down Requirements
The recommended power up sequence is to apply V /V
CC SS
INC high before or concurrently with the V
powerup.
pin on
CC
first, then the potentiometer voltages. During power-up, the
data sheet parameters for the DCP do not fully apply until 1
millisecond after V
reaches its final value. The V
ramp
CC
CC
AC Timing
CS
t
CYC
t
CPHNS
t
t
t
t
t
CPHS
CI
IL
IH
IC
90%
10%
90%
INC
U/D
t
t
t
t
R
ID
DI
F
t
IW
(3)
MI
R
W
Typical Performance Characteristics
0
-50
-100
-150
-200
-250
-300
-350
-55-45-35 -25 -15 -5 5 15 25 35 45 55 65 75 85 95105115125
TEMPERATURE (°C)
FIGURE 1. TYPICAL TOTAL RESISTANCE TEMPERATURE
COEFFICIENT
FN8183.1
September 9, 2005
8
INTERSIL [ Intersil ]
