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首页产品索引CAT5221

CAT5221

购买收藏
 Digital Potentiometer (POT), 64-Tap, with I2CInterface

制造商:ON

中文数据手册

产品信息

The CAT5221 is two digital POTs integrated with control logic and 16 bytes of EEPROM memory. Each digital POT consists of a series of 63 resistive elements connected between two externally accessible end points. The tap points between each resistive element are connected to the wiper outputs with CMOS switches. A separate 6-bit control register (WCR) independently controls the wiper tap switches for each digital POT. Associated with each wiper control register are four 6-bit non-volatile memory data registers (DR) used for storing up to four wiper settings. Writing to the wiper control register or any of the non-volatile data registers is via a I²C serial bus. On power-up, the contents of the first data register (DR0) for each of the four potentiometers is automatically loaded into its respective wiper control register (WCR).
The CAT5221 can be used as a potentiometer or as a two terminal, variable resistor. It is intended for circuit level or system level adjustments in a wide variety of applications.
  • 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 I²C interface
  • 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 1.0 µA
  • 1,000,000 nonvolatile WRITE cycles
  • 100 year nonvolatile memory data retention
  • Industrial temperature ranges

在线购买

型号制造商描述购买
CAT5221YI25ONIC DGT POT 2.5KOHM 64TAP 20TSSOP 立即购买
CAT5221WI-50-T1ONCAT5221是两个数字电位计集成控制逻辑和16字节的NVRAM内存。每个数字电位计由一系列63个电阻元件组成,连接在两个外部可访问的端点之间。 立即购买
CAT5221WI-25-T1ONCAT5221是两个数字电位计集成控制逻辑和16字节的NVRAM内存。每个数字电位计由一系列63个电阻元件组成,连接在两个外部可访问的端点之间。 立即购买
CAT5221WI-00-T1ONCAT5221是两个数字电位计集成控制逻辑和16字节的NVRAM内存。每个数字电位计由一系列63个电阻元件组成,连接在两个外部可访问的端点之间。 立即购买
CAT5221YI-50-T2ON 立即购买
CAT5221YI-00-T2ON 立即购买

技术资料

标题类型大小(KB)下载
SOIC-20, 300 milsPDF55 点击下载
TSSOP20, 4.4x6.5PDF55 点击下载
Digital Potentiometer (POT), 64-Tap, with I2C InterfacePDF205 点击下载

应用案例更多案例

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