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參數(shù)資料
| 型號： | x9440 |
| 元件分類： | 數(shù)字電位計(jì) |
| 英文描述： | Dual Digitally-Controlled (EEPOT) Potentiometer & Voltage Comparator(雙數(shù)控電位器和電壓比較器) |
| 中文描述： | 雙數(shù)字控制（EEPOT）電位 |
| 文件頁數(shù)： | 10/22頁 |
| 文件大?。?/td> | 146K |
| 代理商： | X9440 |
X9440
Characteristics subject to change without notice.
10 of 22
REV 1.0 2/27/01
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
) ........................+7V
Voltage on V- (referenced to V
SS
)...........................-7V
(V+) – (V-)..............................................................12V
Any V
H
....................................................................V+
Any V
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 con-
ditions for extended periods may affect device reliability.
RECOMMENDED OPERATING CONDITIONS
Temperature
Commercial
Industrial
Military
Min.
0
°
C
–40
°
C
–55°C
Max.
+70°C
+85
°
C
+125°C
Device
X9440
X9440-2.7
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 potenti-
ometer. It is a measure of the error in step size.
(3) MI = RTOT/63 or (V
H
–V
L
)/63, single pot
(4) Individual array resolutions.
Symbol
R
TOTAL
Parameter
Limits
Test Conditions
Min.
–20
Typ.
Max.
+20
50
+3
100
Unit
%
mW
mA
End to end resistance
Power rating
Wiper current
Wiper resistance
25
°
C, each pot
I
W
R
W
–3
40
V
CC
= 5V, Wiper Current = 3mA
V
CC
= 2.7-5V, Wiper Current = 3mA
100
250
Vv+
Voltage on V+ pin
X9440
X9440-2.7
X9440
X9440-2.7
+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
or V
L
pin
Noise
Resolution
(4)
Absolute linearity
(1)
V
-120
1.6
dBV
%
MI
(3)
Ref: 1kHz
–1
+1
V
w(n)(actual)
–V
w(n)(expected)
V
w(n + 1)
–[V
w(n) + MI
]
Relative linearity
(2)
–0.2
+0.2
MI
(3)
Temperature coefficient of R
TOTAL
±
300
ppm/
°
C
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| X9440WP24 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Mixed Signal with SPI Interface |
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