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ISL23428
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ISL23428

  • 所属类别:控制器controller
  • 产品名称:双路,128抽头,低电压数字控制电位器(XDCP™)
  • 厂商:intersil
  • 生产批号:12+
  • 封装:sop
  • 库存状态:有库存
  • 库存量:2220
  • 最低订购量:1
  • 详细资料:点击查找ISL23428的pdf资料
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  • Product Introduction

Key features:

Two potentiometers per pack 128 resistance faucet 10KΩ 50KΩ or 100kΩ total resistance SPI serial interface No additional level conversion to low bus power Multiple dutiable licences for daisy-chaining power supply V CC = 1.7V to 5.5V analog power supply To five logic = 1.2V to 5.5V SPI bus/logic supply Maximum supply current (standby) without serial bus activity 4μ A@ V CC and V logic = 5V 1.7μ A@ V CC and V logic = 1.7V Shutdown mode The troops enter the end of the year to the terminal open circuit and the RWI DCP internally connected to the RLI The resistor of the DCP is disconnected from the circuit, reducing power consumption Tap resistance: 70Ω typical @ V CC = 3.3V Power-up preset to medium size (64 tap positions) Extended industrial temperature range: -40°C to +125°C 14 LD TSSOP or 16 LD UTQFN packages Lead-free (RoHS compliant) description

ISL23428 is a volatile, low-voltage, low-noise, low-power, 128-tap, dual-digitally controlled potentiometer (DCP) SPI bus ™ interface. It integrates two DCP cores, wiper switches and control logic in a monolithic CMOS integrated circuit. Each digital control potentiometer is implemented by a combination of resistive elements and CMOS switches. The position of the wipers is controlled by the user via the SPI bus interface. Each potentiometer has an associated volatile wiper registration (WRI, I = 0,1) that can write and read directly to the user. WRI content controls the position of the wipers. When powered on, each DCP wiper will always start at the medium scale (64 tap positions), low voltage, low power consumption, small package ISL23428, making it ideal for use with battery-powered devices. In addition, the ISL23428 has a V logic pin that allows for the operation of the 1.2V bus, from V independent CC values. This allows the DCP to be used in a variety of applications, including as a three-terminal potentiometer or as a two-ended variable resistor control, where parameters can be directly connected without being connected via a voltage level converter, ISL23428 to low logic levels. Adjustment and signal processing.

ISL23428-related ICs include:


Model Manufacturers lot number encapsulation illustrate
ISL23428 intersil 12+ sop Dual, 128-tap, low-voltage digitally controlled potentiometer (XDCP™)

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