数字电位计 (POT),128 抽头,带 I2C 接口

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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)。

  • LCD Screen Adjustment
  • Volume Control
  • Mechanical Potentiometer Replacement
  • Gain Adjustment
  • Line Impedance Matching
  • VCOM Setting Adjustments
  • Industrial Equipment
  • Single Linear digital POT with 128 Taps
  • End-to-End Resistance of 10 kΩ, 50 kΩ and 100 kΩ
  • I2C Interface
  • Wiper goes to Midscale at Power-up
  • Digital Supply Range (VDD): 2.7 V to 5.5 V
  • Low Standby Current
  • Industrial Temperature Range: -40°C to +85°C

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Package Type

Case Outline

MSL Type

MSL Temp (°C)

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# of Pots

# of Taps

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Control Interface

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CAT5137SDI-00GT3

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CAD Model

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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