MAX5402:256抽头、µPoT™、低漂移数字电位器

10k µPoT 256抽头、低漂移数字电位器

The MAX5402 µPoT digital potentiometer is a 256-tap variable resistor with 10kΩ total resistance in a tiny 8-pin µMAX® package. This device functions as a mechanical potentiometer, consisting of a fixed resistor string with a digitally controlled wiper contact. It operates from +2.7V to +5.5V single-supply voltages and uses an ultra-low 0.1µA supply current. This device also provides glitchless switching between resistor taps, as well as a convenient power-on reset (POR) that sets the wiper to the midscale position at power-up. A low 5ppm/°C ratiometric temperature coefficient makes it ideal for applications requiring low drift. The MAX5402 serves well in applications requiring digitally controlled resistors, including adjustable voltage references and programmable gain amplifiers (PGAs). A nominal end-to-end resistor temperature coefficient of 35ppm/°C makes this part suitable for use as a variable resistor in applications such as low-tempco adjustable gain and other circuit configurations. This device is guaranteed over the extended industrial temperature range (-40°C to +85°C).

关键特性
  • Small Footprint, 8-Pin µMAX Package
  • Ultra-Low 100nA Supply Current
  • +2.7V to +5.5V Single-Supply Operation
  • 256 Tap Positions
  • Low Ratiometric Temperature Coefficient 5ppm/°C
  • Low End-to-End Resistor Temperature Coefficient 35ppm/°C
  • Power-On Reset: Wiper Goes to Midscale (Position 128)
  • Glitchless Switching Between the Resistor Taps
  • 3-Wire SPI™-Interface Compatible
  • 10kΩ Resistor Value
MAX5402:功能框图
MAX5402:功能框图
应用
  • 可调节电压基准
  • 低偏差可编程增益放大器
  • 替代机械电位器
数据手册DataSheet
语言下载文件备注
英文MAX5402.pdfRev 0; 01/2001
关键参数
Part NumberTaperPOTsControl InterfaceWiper MemoryStepsREND-TO-END
(kΩ)
Res. Tol.
(%)
Temp. Coeff.
(ppm/°C)
Wiper Resistance
(Ω)
ICC @5V
(µA)
Package/PinsBudgetary
Price
typtypmaxSee Notes
MAX5402Linear13-Wire SerialVolatile2561025352505µMAX/8$1.21 @1k
技术资料
质量和环境数据
相关产品
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订购型号
型号状况推荐替代产品封装温度RoHS/无铅
MAX5402EUA停止供货MAX5402EUA+µMAX,;8引脚;15.6mm²-40°C至+85°CRoHS/无铅:否
MAX5402EUA+生产中µMAX,;8引脚;15.6mm²-40°C至+85°CRoHS/无铅:无铅
MAX5402EUA+T生产中µMAX,;8引脚;15.6mm²-40°C至+85°CRoHS/无铅:无铅
MAX5402EUA-T停止供货MAX5402EUA+TµMAX,;8引脚;15.6mm²-40°C至+85°CRoHS/无铅:否
MAX5402EUA/GG8生产中µMAX,;8引脚;15.6mm²-40°C至+85°CRoHS/无铅:否
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