參數(shù)資料
型號: X9319US8I
廠商: INTERSIL CORP
元件分類: 數(shù)字電位計
英文描述: Digitally Controlled Potentiometer
中文描述: 50K DIGITAL POTENTIOMETER, INCREMENT/DECREMENT CONTROL INTERFACE, 100 POSITIONS, PDSO8
封裝: PLASTIC, SOIC-8
文件頁數(shù): 4/10頁
文件大?。?/td> 344K
代理商: X9319US8I
4 of 10
REV 1.7 7/10/03
www.xicor.com
X9319
D.C. OPERATING CHARACTERISTICS
(V
CC
= 5V ±10%, T
A
= Full Operating Temperature Range unless otherwise stated)
ENDURANCE AND DATA RETENTION
(V
CC
= 5V ±10%, T
A
= Full Operating Temperature Range)
(1) Absolute linearity is utilized to determine actual wiper voltage versus expected voltage = [V(R
V(R
W(n)(expected)
) = n(V(R
H
)-V(R
L
))/99 + V(R
(2) Relative linearity is a measure of the error in step size between taps = [V(R
(3) 1 Ml = Minimum Increment = [V(R
H
)–V(R
L
)]/99.
(4) Typical values are for T
A
= 25°C and nominal supply voltage.
(5) Guaranteed by device characterization.
(6) Ratiometric temperature coefficient = (V(R
W
)
and n from 0 to 99.
(7) Measured with wiper at tap position 31, R
L
grounded, using test circuit.
W(n)(actual)
)–V(R
W(n)(expected)
)]/MI
L
), with n from 0 to 99.
W(n+1)
)–(V(R
W(n)
) – MI)]/MI
T1(n)
–V(R
W
)
T2(n)
)/[V(R
W
)
T1(n)
(T1–T2) x 10
6
], with T1 & T2 being 2 temperatures,
Symbol
I
CC
Parameter
Limits
Typ.
1
Unit
mA
Test Conditions
, U/D = V
INC = 0.4V/2.4V @ min. t
CYC
R
L
, R
H
, R
W
not connected
CS
2.4V, U/D and INC = 0.4V
R
L
, R
H
, R
W
not connected
V
IN
= V
SS
to V
CC
Min.
(4)
Max.
3
V
CC
active current (Increment)
CS = V
IL
IL
or V
IH
and
I
SB
Standby supply current
300
1000
μA
I
LI
CS, INC, U/D input leakage
current
CS, INC, U/D input HIGH voltage
CS, INC, U/D input LOW voltage
CS, INC, U/D input capacitance
-10
+10
μA
V
IH
V
IL
C
IN
(5)
2
–1
V
CC
+ 1
0.8
10
V
V
pF
V
CC
= 5V, V
IN
= V
SS
, T
A
= 25°C,
f = 1MHz
Parameter
Minimum endurance
Data retention
Min.
100,000
100
Unit
Data changes per bit
Years
Test Circuit
Equivalent Circuit
Force
Current
Test Point
R
W
C
H
C
L
R
W
10pF
10pF
R
TOTAL
C
W
25pF
R
H
R
L
A.C. CONDITIONS OF TEST
Input pulse levels
Input rise and fall times
Input reference levels
0.8V to 2.0V
10ns
1.4V
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