Digital Potentiometers (POTs) | CAT5419

数字电位计 (POT)，双 64 抽头，带 2 线接口

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概览

CAT5419 是与控制逻辑和 16 字节的 NVRAM 内存集成的两个数字 POT。一个单独的 6 位控制寄存器 (WCR) 独立控制每个数字 POT 的弧刷抽头位置。与每个弧刷控制寄存器相关联的是四个 6 位非易失性内存数据寄存器 (DR)，用于存储最多四个弧刷设置。通过 2 线串行总线（类似 I²C）写入弧刷控制寄存器或任何非易失性数据寄存器。加电时，两个电位计中的每个电位计的第一个数据寄存器 (DR0) 的内容将自动加载到其各自的抽头控制寄存器 (WCR) 中。写保护 (WP) 引脚可防止对数据寄存器意外编程。CAT5419 可用作电位计或双端可变电阻器。它适用于各种应用中的电路电平或系统电平调整。

  • Audio Equipment
  • Industrial Controls
  • Automobiles
  • Industrial Equipment
  • Two linear-taper digital potentiometers
  • 64 resistor taps per potentiometer
  • End-to-end resistance 2.5 kΩ, 10 kΩ, 50 kΩ or 100 kΩ
  • Potentiometer control and memory access via 2-wire interface (I²C like)
  • Low wiper resistance, typically 80 Ω
  • Four non-volatile wiper settings for each potentiometer
  • Recall of wiper settings at power up
  • 2.5 to 6.0 volt operation
  • Standby current less than 1 µA
  • 1,000,000 nonvolatile WRITE cycles
  • 100 year nonvolatile memory data retention
  • Write protection for data register

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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

CAT5419YI-00-T2

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Obsolete

CAD Model

Pb

A

H

P

TSSOP-24

948AR

1

260

REEL

2000

N

2

64

Potentiometer

I2C

100

VCC

Yes

6

Price N/A

More Details

CAT5419YI-10-T2

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Obsolete

CAD Model

Pb

A

H

P

TSSOP-24

948AR

1

260

REEL

2000

N

2

64

Potentiometer

I2C

10

VCC

Yes

6

Price N/A

More Details

CAT5419YI-25-T2

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Obsolete

CAD Model

Pb

A

H

P

TSSOP-24

948AR

1

260

REEL

2000

N

2

64

Potentiometer

I2C

2.5

VCC

Yes

6

Price N/A

More Details

CAT5419YI-50-T2

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Obsolete

CAD Model

Pb

A

H

P

TSSOP-24

948AR

1

260

REEL

2000

N

2

64

Potentiometer

I2C

50

VCC

Yes

6

Price N/A

More Details

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