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參數(shù)資料
| 型號(hào)： | X9420WSM-2.7 |
| 元件分類： | 數(shù)字電位計(jì) |
| 英文描述： | Single Digitally Controlled (XDCP) Potentiometer |
| 中文描述： | 單數(shù)控（數(shù)字電位器）電位 |
| 文件頁(yè)數(shù)： | 10/20頁(yè) |
| 文件大小： | 113K |
| 代理商： | X9420WSM-2.7 |
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X9420
Characteristics subject to change without notice.
10 of 20
REV 1.1.6 7/30/02
www.xicor.com
ABSOLUTE MAXIMUM RATINGS
Temperature under bias....................–65°C to +135°C
Storage temperature.........................–65°C to +150°C
Voltage on SCK, SCL or any
address input with respect to V
SS
........... –1V to +7V
Voltage on V+ (referenced to V
SS
).........................10V
Voltage on V- (referenced to V
SS
)........................ -10V
(V+) – (V-)..............................................................12V
Any V
H
/R
H
, V
L
/R
L
, V
W
/R
W
..............................V- to V+
Lead temperature (soldering, 10 seconds)........300°C
I
W
(10 seconds)..................................................±6mA
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.
RECOMMENDED OPERATING CONDITIONS
Temp
Commercial
Industrial
Min.
0°C
–40°C
Max.
+70°C
+85°C
Device
X9420
X9420-2.7
Supply Voltage (V
CC
) Limits
5V
±
10%
2.7V to 5.5V
ANALOG 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
potentiometer. It is a measure of the error in step size.
(3) MI = RTOT/63 or (V
H
–V
L
)/63, single pot
(4) Typical = Individual array resolution.
Symbol
R
TOTAL
Parameter
Limits
Test Conditions
Min.
Typ.
Max.
±20
50
±3
250
Units
%
mW
mA
End to End Resistance
Power Rating
Wiper Current
Wiper Resistance
25°C, each pot
I
W
R
W
150
Wiper Current =
±
1mA,
V+/V– = ±3V
Wiper Current =
±
1mA,
V+/V– = ±5V
40
100
Vv+
Voltage on V+ Pin
X9420
X9420-2.7
X9420
X9420-2.7
+4.5
+2.7
-5.5
-5.5
V-
+5.5
+5.5
-4.5
-2.7
V+
V
Vv-
Voltage on V- Pin
V
V
TERM
Voltage on any V
H
/R
H
, V
L
/R
L
, V
W
/R
W
Noise
Resolution
(4)
Absolute Linearity
(1)
Relative Linearity
(2)
Temperature Coefficient of R
TOTAL
Ratiometric Temperature Coefficient
Potentiometer Capacitances
Rh, RI, Rw leakage current
V
-140
1.6
dBV
%
MI
(3)
MI
(3)
ppm/°C
ppm/°C
pF
μA
Ref: 1kHz
See Note 5
V
w(n)(actual)
– V
w(n)(expected)
V
w(n + 1)
– [V
w(n) + MI
]
See Note 5
See Note 5
See Circuit #3
Vin = V- to V+. Device is in
stand-by mode.
±1
±0.2
±
300
±
20
C
H
/C
L
/C
W
I
AL
10/10/25
0.1
10
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