參數(shù)資料
型號： ISL90810UIU8Z
廠商： INTERSIL CORP
元件分類： 數(shù)字電位計
英文描述： Low Noise/Low Power/I2C Bus/256 Taps
中文描述： 50K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO8
封裝： ROHS COMPLIANT, PLASTIC, MO-187AA, MSOP-8
文件頁數(shù)： 3/11頁
文件大?。?/td> 1126K
代理商： ISL90810UIU8Z
3
FN8234.1
October 13, 2005
Analog Specifications
Absolute Maximum Ratings
Recommended
Operating Conditions
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Voltage at Any Digital Interface Pin
With Respect to V
SS
. . . . . . . . . . . . . . . . . . . .-0.3V to V
CC
+0.3V
V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.3V to +6V
Voltage at Any DCP Pin With
Respect to V
SS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to V
CC
Lead Temperature (Soldering, 10s) . . . . . . . . . . . . . . . . . . . . .300°C
I
W
(10s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±6mA
Industrial . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +85°C
V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.7V to 5.5V
Power Rating. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5mW
Wiper Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .±3.0mA
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.
Over recommended operating conditions unless otherwise stated.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
(Notes 1)
MAX
UNIT
R
TOTAL
R
H
to R
L
Resistance
R
H
to R
L
Resistance Tolerance
Wiper resistance
W, U versions respectively
10, 50
k
-20
+20
%
R
W
V
CC
= 3.3V @ 25°C
Wiper current = V
CC
/R
TOTAL
70
200
C
H
/C
L
/C
W
Potentiometer Capacitance
(Note 13, Equivalent circuitry)
Leakage on DCP pins
(Note 13)
10/10/25
pF
I
LkgDCP
Voltage at pin from GND to V
CC
0.1
1
μA
VOLTAGE DIVIDER MODE
(0V @ RL; V
CC
@ RH; measured at RW, unloaded)
INL
(Note 6)
Integral Non-Linearity
DNL
(Note 5)
Differential Non-Linearity
-1
1
LSB
(Note 2)
LSB
(Note 2)
LSB
(Note 2)
LSB
(Note 2)
Monotonic over all tap positions
W option
-0.75
+0.75
U option
-0.5
+0.5
ZSerror (Note 3) Zero-Scale Error
W option
0
1
7
U option
0
0.5
2
FSerror
(Note 4) Full-Scale Error
W option
-7
-1
0
LSB
(Note 2)
U option
-2
-0.5
0
TC
V
(Notes 7, 13) Ratiometric Temperature Coefficient DCP Register set to 80 hex
RESISTOR MODE
(Measurements between RW and RL with RH not connected, or between RW and RH with RL not connected)
RINL
(Note 11)
Integral Non-Linearity
DCP register set between 20 hex and FF hex.
Monotonic over all tap positions
RDNL
(Note 5)
Differential Non-Linearity
DCP register set between 20 hex
and FF hex. Monotonic over all tap
positions
Roffset
(Note 9) Offset
W option
±4
ppm/°C
-1
1
MI (Note 8)
W option
-0.75
+0.75
MI
(Note 8)
MI
(Note 8)
U option
-0.5
+0.5
0
1
7
MI
(Note 8)
MI
(Note 8)
U option
0
0.5
2
TC
R
(Notes 12, 13)
Resistance Temperature Coefficient DCP register set between 20 hex and FF hex
±35
ppm/°C
Operating Specifications
Over the recommended operating conditions unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
(Note 1)
MAX
UNITS
I
CC1
V
CC
Supply Current
(Volatile Write/Read)
f
SCL
= 400kHz; SDA = Open; (for I
2
C, Active,
Read and Volatile Write States only)
V
CC
= +5.5V, I
2
C Interface in Standby State
V
CC
= +3.6V, I
2
C Interface in Standby State
20
100
μA
I
SB
V
CC
Current (Standby)
2
5
μA
0.8
2
μA
I
LkgDig
Leakage Current at Pins SDA and
SCL
Voltage at pin from GND to V
CC
-10
10
μA
ISL90810
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