參數(shù)資料
型號： X9268UV24
廠商： Intersil
文件頁數(shù)： 7/22頁
文件大?。?/td> 0K
描述： IC XDCP DUAL 256TAP 50K 24-TSSOP
標(biāo)準(zhǔn)包裝： 62
系列： XDCP™
接片： 256
電阻（歐姆）： 50k
電路數(shù)： 2
溫度系數(shù)： 標(biāo)準(zhǔn)值 ±300 ppm/°C
存儲器類型： 非易失
接口： I²C（設(shè)備位址）
電源電壓： 4.5 V ~ 5.5 V
工作溫度： 0°C ~ 70°C
安裝類型： 表面貼裝
封裝/外殼： 24-TSSOP（0.173"，4.40mm 寬）
供應(yīng)商設(shè)備封裝： 24-TSSOP
包裝： 管件
15
FN8172.4
August 29, 2006
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 VSS ................................. -1V to +7V
Voltage on V+ (referenced to VSS)........................10V
Voltage on V- (referenced to VSS)........................-10V
(V+) - (V-) .............................................................. 12V
Any VH/RH ..............................................................V+
Any VL/RL.................................................................V-
Lead temperature (soldering, 10s) .................. +300
°C
IW (10s) ..............................................................±6mA
COMMENT
Stresses above those listed under “Absolute Maximum
Ratings” may cause permanent damage to the device.
This is a stress rating only; the 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
potentiometer. It is a measure of the error in step size.
(3) MI = RTOT / 255 or (RH - RL) / 255, single pot
(4) During power-up VCC > VH, VL, and VW.
(5) n = 0, 1, 2, …,255; m =0, 1, 2, …, 254.
RECOMMENDED OPERATING CONDITIONS
Temp
Min.
Max.
Commercial
0
°C+70°C
Industrial
-40
°C+85°C
Device
Supply Voltage (VCC)(4) Limits
X9268
5V
±10%
X9268-2.7
2.7V to 5.5V
V+
2.7V to 5.5V
V-
-2.7V to -5.5V
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
RTOTAL
End to End Resistance
T version
100
k
RTOTAL
End to EndResistance
U version
50
k
End to end resistance tolerance
±20
%
Power rating
+25°C, each pot
50
mW
IW
Wiper current
±3
mA
RW
Wiper resistance
IW = ± 1mA, V+ = 3V; V- = -3V
250
RW
Wiper resistance
IW = ± 1mA, V+ = 5V; V- = -5V
150
V+
Voltage on V+ Pin
X9268
+4.5
+5.5
V
X9268-2.7
+2.7
+5.5
V-
Voltage on V- Pin
X9268
-5.5
-4.5
V
X9268 -2.7
-5.5
-2.7
VTERM
Voltage on any VH/RH or VL/RL pin
V-
V+
V
Noise
Ref: 1kHz
-120
dBV
Resolution (4)
0.4
%
Absolute linearity (1)
Vw(n)(actual) - Vw(n)(expected)
±1
MI(3)
Relative linearity (2)
Vw(n + 1) - [Vw(n) + MI]±0.6
MI(3)
Temperature coefficient of resistance
±300
ppm/
°C
Ratiometric Temperature Coefficient
±20
ppm/°C
CH/CL/CW Potentiometer Capacitance
See Circuit #3
10/10/25
pF
X9268
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