參數(shù)資料
型號： X9438WV24
廠商： INTERSIL CORP
元件分類： 數(shù)字電位計
英文描述： Dual Digitally Controlled Potentiometer (XDCP) with Operational Amplifier
中文描述： DUAL 10K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDSO24
封裝： PLASTIC, TSSOP-24
文件頁數(shù)： 9/18頁
文件大?。?/td> 280K
代理商： X9438WV24
9
FN8199.0
March 11, 2005
ABSOLUTE MAXIMUM RATINGS
Temperature under bias....................-65°C to +135°C
Storage temperature .........................-65°C to +150°C
Voltage on SDA, SCL or any address
input with respect to V
SS
......................... -1V to +7V
Voltage on any V+ (referenced to V
SS
) ................
+
7V
Voltage on any V- (referenced to V
SS
) .................. -7V
(V+) - (V-) .............................................................10V
Any R
H
....................................................................V+
Any R
L
......................................................................V-
Lead temperature (soldering, 10 seconds)........ 300°C
COMMENT
Stresses above those listed under “Absolute Maximum
Ratings” may cause permanent damage to the device.
This is a stress rating only; functional operation of the
device (at these or any other conditions above those
listed in the operational sections of this specification)
is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device
reliability.
POTENTIOMETER CHARACTERISTICS
(Over recommended operating conditions unless otherwise stated.)
Notes: (1) Absolute linearity is utilized to determine actual wiper voltage versus expected voltage as determined by wiper position when used as a
potentiometer.
(2) Relative linearity is utilized to determine the actual change in voltage between two successive tap positions when used as a potentiom-
eter. It is a measure of the error in step size.
(3) MI = RTOT/63 or (R
H
- R
L
)/63, single pot ( = LSB)
(4) Individual array resolutions
Symbol
R
TOTAL
Parameter
Limits
Test Conditions
Min.
-20
Typ.
Max.
+20
50
+3
100
250
+5.5
+5.5
-4.5
-2.7
V+
Unit
%
mW
mA
V
End to end resistance
Power rating
Wiper current
Wiper resistance
25
°
C, each pot
I
W
R
W
-3
40
100
V
CC
= 5V, Wiper Current = 3mA
V
CC
= 2.7, Wiper Current = 1mA
Vv+
Voltage on V+ pin
X9438
X9438-2.7
X9438
X9438-2.7
+4.5
+2.7
-5.5
-5.5
V-
Vv-
Voltage on V- pin
V
V
TERM
Voltage on any R
H
or R
L
pin
Noise
Resolution
(4)
Absolute linearity
(1)
Relative linearity
(2)
Temperature coefficient of R
TOTAL
Ratiometric temperature coefficient
V
-100
1.6
dBv
%
MI
(3)
MI
(3)
ppm/
°
C
ppm/°C
Ref: 1V
-1
-0.2
+1
+0.2
V
w(n)(actual)
- V
w(n)(expected)
V
w(n + 1)
- [V
w(n) + MI
]
±
300
±20
RECOMMENDED OPERATING CONDITIONS
Temperature
Commercial
Industrial
Min.
0
°
C
-40
°
C
Max.
+70
°
C
+85
°
C
Device
X9438
X9438-2.7
Supply Voltage (V
CC
) Limits
5V
±
10%
2.7V to 5.5V
X9438
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