參數(shù)資料
型號(hào)： ISL90843UIU1027Z
廠商： INTERSIL CORP
元件分類： 數(shù)字電位計(jì)
英文描述： Quad Digital Controlled Potentiometers (XDCP⑩)
中文描述： QUAD 50K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO10
封裝： ROHS COMPLIANT, MO-187BA, MSOP-10
文件頁(yè)數(shù)： 3/10頁(yè)
文件大小： 755K
代理商： ISL90843UIU1027Z
3
FN8095.2
March 29, 2006
Analog Specifications
Absolute Maximum Ratings
Recommended Operating Conditions
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Voltage at any Digital Interface Pin
with Respect to GND . . . . . . . . . . . . . . . . . . . . . -0.3V to V
CC
+0.3
V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.3V to +6V
Voltage at any DCP Pin with
Respect to GND. . . . . . . . . . . . . . . . . . . . . . . . . . . . -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 of each DCP . . . . . . . . . . . . . . . . . . . . . . . . . . . .5mW
Wiper Current of each DCP. . . . . . . . . . . . . . . . . . . . . . . . . .±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
(NOTE 1)
MAX
UNITS
R
TOTAL
R
H
to R
L
Resistance
W, U versions respectively
10, 50
k
R
H
to R
L
Resistance Tolerance
-20
+20
%
R
W
Wiper Resistance
V
CC
= 3.3V @ 25°C
70
C
W
Potentiometer Capacitance
(Note 15)
25
pF
VOLTAGE DIVIDER MODE
(0V @ RL
i
; V
CC
@ RH
i
; measured at RW
i
, unloaded; i = 0, 1, 2, or 3)
INL
(Note 6)
Integral Non-Linearity
-1
1
LSB
(Note 2)
DNL
(Note 5)
Differential Non-Linearity
Monotonic over all tap positions
-0.5
0.5
LSB
(Note 2)
ZSerror
(Note 3)
Zero-Scale Error
W option
0
1
7
LSB
(Note 2)
U option
0
0.5
2
FSerror
(Note 4)
Full-Scale Error
W option
-7
-1
0
LSB
(Note 2)
U option
-2
-1
0
V
MATCH
(Note 7)
DCP to DCP Matching
Any two DCPs at same tap position, same
voltage at all RH terminals, and same voltage at
all RL terminals
-2
2
LSB
(Note 2)
TC
V
(Note 8)
Ratiometric Temperature Coefficient
DCP register set to 80 hex
±4
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)
10k DCPs, f
SCL
= 400kHz; SDA = Open; (for I
2
C, Active,
Read and Write States)
3.8
mA
I
CC2
V
CC
Supply Current
(Volatile write/read)
50k DCPs, f
SCL
= 400kHz; SDA = Open; (for I
2
C, Active,
Read and Write States)
2.9
mA
I
SB
V
CC
current (standby)
V
CC
= +5.5V, 10k DCPs, I
2
C Interface in Standby State
V
CC
= +5.5V, 50k DCPs, I
2
C Interface in Standby State
V
CC
= +3.6V, 10k DCPs, I
2
C Interface in Standby State
V
CC
= +3.6V, 50k DCPs, I
2
C Interface in Standby State
2.8
mA
0.6
mA
1.9
mA
0.4
mA
I
LkgDig
Leakage Current, at Pins A0, A1,
SDA and SCL Pins
Voltage at pin from GND to V
CC
-10
10
μA
t
DCP
(Note 15)
DCP Wiper Response Time
SCL falling edge of last bit of DCP Data Byte to wiper
change
1
μs
Vpor
Power-On Recall Voltage
Minimum V
CC
at which memory recall occurs
1.8
2.6
V
ISL90843
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