參數資料
型號： X93154UM8IZ-3
廠商： INTERSIL CORP
元件分類： 數字電位計
英文描述： Digitally Controlled Potentiometer
中文描述： 50K DIGITAL POTENTIOMETER, INCREMENT/DECREMENT CONTROL INTERFACE, 32 POSITIONS, PDSO8
封裝： ROHS COMPLIANT, PLASTIC, MO-187AA, MSOP-8
文件頁數： 3/9頁
文件大?。?/td> 271K
代理商： X93154UM8IZ-3
3
FN8180.2
October 5, 2005
Absolute Maximum Ratings
Recommended Operating Conditions
Temperature under bias. . . . . . . . . . . . . . . . . . . . . .-65
°
C to +135
°
C
Storage temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Voltage on CS, INC, U/D, R
H
, R
L
and V
CC
with respect to V
SS
. . . . . . . . . . . . . . . . . . . . . . . . . .-1V to +6.5V
Lead temperature (soldering 10s) . . . . . . . . . . . . . . . . . . . . . .300°C
Maximum resistor current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2mA
Temperature Range
Industrial. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +85°C
Supply Voltage
V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3V ±10%
(8)
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
Potentiometer Specifications
Over recommended operating conditions unless otherwise stated.
SYMBOL
PARAMETER
TEST CONDITIONS/NOTES
MIN
TYP
MAX
UNIT
R
TOT
End to end resistance
35
50
65
k
V
R
R
H
, R
L
terminal voltages
0
V
CC
V
Power rating
R
TOTAL
=
50k
1
mW
(7)
Noise
Ref: 1kHz
-120
dBV
(7)
R
W
Wiper Resistance
(5) (6)
1000
I
W
Wiper Current
(5) (6)
0.6
mA
Resolution
3
%
Absolute linearity
(1)
V
H(n)(actual)
-V
H(n)(expected)
±1
MI
(3)
Relative linearity
(2)
V
H(n+1)
-[V
H(n)+MI
]
±0.5
MI
(3)
R
TOTAL
temperature coefficient
(7)
±35
ppm/°C
C
H
/C
L
/C
W
Potentiometer capacitances
See circuit #3
10/10/25
pF
(7)
NOTES:
1. Absolute linearity is utilized to determine actual wiper voltage versus expected voltage = (V
H(n)
(actual)-V
H(n)
(expected)) = ±1 Ml Maximum. n =
1 .. 29 only
2. Relative linearity is a measure of the error in step size between taps = V
H(n+1)
—[V
H(n)
+ Ml] = ±0.5 Ml, n = 1 .. 29 only.
3. 1 Ml = Minimum Increment = R
TOT
/31.
4. Typical values are for T
A
= 25°C and nominal supply voltage.
5. This parameter is periodically sampled and not 100% tested
6. Typical values are for T
A
= 25°C and nominal supply voltage.
7. This parameter is not 100% tested.
8. When performing multiple write operations, V
CC
must not decrease by more than 150mV from its initial value.
DC Electrical Specifications
Over recommended operating conditions unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP(4)
MAX
UNIT
I
CC1
VCC active current (Increment)
CS = V
IL
, U/D = V
IL
or V
IH
and INC = 0.4V @
max. t
CYC
50
250
μA
I
CC2
VCC active current (Store)
(EEPROM Store)
CS = V
IH
, U/D = V
IL
or V
IH
and INC = V
IH
@
max. t
WR
600
μA
I
SB
Standby supply current
CS = V
CC
- 0.3V, U/D and INC = V
SS
or
V
CC
- 0.3V
1
μA
I
LI
CS
V
IN
= V
CC
±1
μA
I
LI
CS
V
CC
= 3V, CS = 0
60
100
150
μA
I
LI
INC, U/D input leakage current
V
IN
= V
SS
to V
CC
±1
μA
V
IH
CS, INC, U/D input HIGH voltage
V
CC
x 0.7
V
CC
+ 0.5
V
V
IL
CS, INC, U/D input LOW voltage
-0.5
V
CC
x 0.1
V
C
IN
(5)(7)
CS, INC, U/D input capacitance
V
CC
= 3V, V
IN
= V
SS
, T
A
= 25°C, f = 1MHz
10
pF
X93154
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