參數(shù)資料
型號(hào)： X9429WV14I-2.7
廠商： INTERSIL CORP
元件分類： 數(shù)字電位計(jì)
英文描述： Single Digitally Controlled Potentiometer
中文描述： 10K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDSO14
封裝： 4.40 MM, PLASTIC, TSSOP-14
文件頁數(shù)： 14/21頁
文件大小： 367K
代理商： X9429WV14I-2.7
14
FN8248.2
October 19, 2005
D.C. OPERATING CHARACTERISTICS
(Over the recommended operating conditions unless otherwise specified.)
Notes: (1)
Absolute linearity is utilized to determine actual wiper voltage versus expected voltage as determined by wiper position when used as
a potentiometer.
Relative linearity is utilized to determine the actual change in voltage between two successive tap positions when used as a potenti-
ometer. It is a measure of the error in step size.
MI = RTOT/63 or (R
H
- R
L
)/63, single pot
Typical = individual array resolutions.
(2)
(3)
(4)
ENDURANCE AND DATA RETENTION
CAPACITANCE
POWER-UP TIMING
POWER-UP AND POWER-DOWN REQUIREMENTS
There are no restrictions on the power-up or power-down conditions of V
CC
and the voltage applied to the
potentiometer pins provided that V
CC
is always more positive than or equal to V
H
, V
L
, and V
W
, i.e., V
CC
≥
V
H
, V
L
, V
W
.
The V
CC
ramp rate spec is alway in effect.
Notes: (5) This parameter is periodically sampled and not 100% tested
(6)
Sample tested only.
Symbol
I
CC1
Parameter
Limits
Typ.
Test Conditions
f
SCL
= 400kHz, SDA = Open,
Other Inputs = V
SS
f
SCL
= 400kHz, SDA = Open,
Other Inputs = V
SS
SCL = SDA = V
CC
, Addr. = V
SS
V
IN
= V
SS
to V
CC
V
OUT
= V
SS
to V
CC
Min.
Max.
1
Unit
mA
V
CC
supply current
(nonvolatile write)
V
CC
supply current
(move wiper, write, read)
V
CC
current (standby)
Input leakage current
Output leakage current
Input HIGH voltage
Input LOW voltage
Output LOW voltage
I
CC2
100
μA
I
SB
I
LI
I
LO
V
IH
V
IL
V
OL
5
μA
μA
μA
V
V
V
10
10
V
CC
x 0.7
-0.5
V
CC
x 0.5
V
CC
x 0.1
0.4
I
OL
= 3mA
Parameter
Minimum endurance
Data retention
Min.
100,000
100
Unit
Data changes per bit per register
Years
Symbol
C
I/O(5)
C
IN(5)
Test
Max.
8
6
Unit
pF
pF
Test Conditions
V
I/O
= 0V
V
IN
= 0V
Input/output capacitance (SDA)
Input capacitance (A0, A2,and A3 and SCL)
Symbol
t
R
V
CC(6)
Parameter
Min.
0.2
Typ.
Max.
50
Unit
V/msec
V
CC
Power-up ramp rate
X9429
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