Digital Potentiometers (POTs) | CAT5411

数字电位计 (POT)，双路 64 抽头，带 SPI 接口

Obsolete

数据表

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概览

CAT5411 是两数字 POT，集成了控制逻辑和 18 字节的 NVRAM 内存。每个数字 POT 由一组 63 个电阻元件组成，这些电阻元件联接在两个外部可访问的端点之间。每个电阻元件之间的抽头点通过 CMOS 开关连接到弧刷输出。一个单独的 6 位控制寄存器 (WCR) 独立控制每个数字 POT 的弧刷抽头开关。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 SPI 串行总线写入弧刷控制寄存器或任何非易失性数据寄存器。通电时，四个电位计中的每个电位计的第一个数据寄存器 (DR0) 的内容自动加载到各自的弧刷控制寄存器中。CAT5411 可以用作电位计或两端子可变电阻。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 SPI interface: Mode (0, 0) and (1, 1)
  • Low wiper resistance, typically 80 Ω
  • Nonvolatile memory storage for up to four wiper settings for each potentiometer
  • Automatic recall of saved wiper settings at power up
  • 2.5 to 6.0 volt operation
  • Standby current less than 1 µA
  • Industrial temperature ranges

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Reference Price

CAT5411YI-00-T2

Contact Sales

Obsolete

CAD Model

Pb

A

H

P

TSSOP-24

948AR

1

260

REEL

2000

N

2

64

Potentiometer

SPI

100

VCC

Yes

6

Price N/A

More Details

CAT5411YI-10-T2

Contact Sales

Obsolete

CAD Model

Pb

A

H

P

TSSOP-24

948AR

1

260

REEL

2000

N

2

64

Potentiometer

SPI

10

VCC

Yes

6

Price N/A

More Details

CAT5411YI-25-T2

Contact Sales

Obsolete

CAD Model

Pb

A

H

P

TSSOP-24

948AR

1

260

REEL

2000

N

2

64

Potentiometer

SPI

2.5

VCC

Yes

6

Price N/A

More Details

CAT5411YI-50-T2

Contact Sales

Obsolete

CAD Model

Pb

A

H

P

TSSOP-24

948AR

1

260

REEL

2000

N

2

64

Potentiometer

SPI

50

VCC

Yes

6

Price N/A

More Details

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可靠性数据

Die Related Summary Data

Device: CAT5411YI-00-T2

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.)

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