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CAT5136、CAT5137 和 CAT5138 为数字 POT 系列,采用多种配置,功能与机械电位计相似。127 个相同电阻元件之间的抽头点通过 CMOS 开关联接弧刷输出。这些开关通过 I2C 串行总线,由一个 7 位弧刷控制寄存器 (WCR) 控制。CAT5136 配置为可变电阻。CAT5137 和 CAT5138 为电阻分压器,电位计的一个端子接地。CAT5137 和 CAT5138 具有不同的器件 ID,因此可同时在一个 I2C 总线上使用。通电之后,该 WCR 设置到中间刻度 (1000000)。
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CAD Models
Compliance
Package Type
Case Outline
MSL Type
MSL Temp (°C)
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Container Qty.
ON Target
# of Pots
# of Taps
Type
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Resistance Typ (kΩ)
VH Max (V)
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CAT5137SDI-00GT3
Obsolete
Pb
A
H
P
SC-88-6 / SC-70-6 / SOT-363-6
1
260
REEL
3000
N
1
128
Potentiometer
I2C
50
VCC
No
5.5
Price N/A
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可靠性数据
Die Related Summary Data
Device: CAT5137SDI-00GT3
Equivalent to wafer fab process: CMOS SUB
产品技术
产品技术
等效器件小时
平均故障间隔时间/平均无故障时间(按小时计算)
FITS
CMOS SUB
2
920154574
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Re-calculate Data
Data is based on the following assumptions.
Note: The temperature and confidence level may be adjusted to your requirements.
Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)