Digital Potentiometers (POTs) | CAT5137

数字电位计 (POT)，128 抽头，带 I2C 接口

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概览

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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状态

CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

# of Pots

# of Taps

Type

Control Interface

Resistance Typ (kΩ)

VH Max (V)

Wiper Position Memory

VDD Max (V)

Reference Price

CAT5137SDI-00GT3

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Obsolete

CAD Model

Pb

A

H

P

SC-88-6 / SC-70-6 / SOT-363-6

419AD

1

260

REEL

3000

N

1

128

Potentiometer

I2C

50

VCC

No

5.5

Price N/A

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