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Maxim > 方案 > 非便携产品供电方案

数字电位器(用于校准)

数据资料
显示 标题/型号 关键优势
QV  PDF 双通道、可通过I²C调节的吸入/源出电流DAC
DS4432

简化低成本电源调节
QV  PDF 双通道、可通过I²C调节的吸入/源出电流DAC
DS4412

简化低成本电源控制器设计
QV  PDF 带有PMBus接口的数字电源控制器/监测器
MAX8688

为任何电源提供完备的控制/监控功能,带有PMBus接口
QV  PDF 可编程电压基准
DS4305, DS4305K

非易失采样、无限保持器,可调节电压基准,由工厂自动校准
QV  PDF 可编程电压基准
DS4303, DS4303K

非易失采样、无限保持器,可调节电压基准,由工厂自动校准
QV  PDF 双路、非易失、可变电阻器,带有用户EEPROM
DS3902

QV  PDF 2线、5位DAC,提供三路数字输出
DS4302

QV  PDF 非易失、32抽头数字电位器
DS4301

QV  PDF 三路、128抽头、非易失、数控可变电阻/开关
DS3904, DS3905

三通道、128抽头、非易失、可变数字电阻/开关,简化PC电源的自动调节
QV  PDF 三路、128抽头、非易失数字电位器
DS3903

用于自动电源校准的低成本、三路非易失电位器, 省去了工厂人工校准的成本



Key Specifications:   Digital Potentiometers
Part Number Taper POTs Per Pkg. Control Interface Wiper Memory Number of Steps End-to-End Resistance (kΩ) Res. Tol. (%) Temp. Coeff. (typ)(ppm/°C) Wiper Resistance (typ) (Ω) Max. Idle State Supply Current @5V (µA) Features Smallest Available Package (max w/pins) (mm2)
DS4302  Linear 1 2-Wire Serial Volatile 32  -   -   -   -  300
Three Programmable Digital Outputs
31
DS3902  Linear 2 2-Wire Addressable Non-Volatile 256 50 + (30 or 15) 20 300 160 200
EEPROM Wiper Memory
16
DS4301  Linear 1 Up/Down Non-Volatile 32 200 20 250 500 60
EEPROM Wiper Memory
16
DS3905  Linear 3 2-Wire Addressable Non-Volatile 128 20 25 125  -  200
EEPROM Wiper Memory
15
DS3904  Linear 3 2-Wire Addressable Non-Volatile 128 20 25 125  -  200
EEPROM Wiper Memory
16
DS3903  Linear 3 2-Wire Addressable Non-Volatile 128 10+10+90 20 300 250 250
EEPROM Wiper Memory
45
See All Digital Potentiometers (121)

Key Specifications:   Precision DACs (4-12 Bits)
Part Number Number of Bits Number of Channels Output Type Reference Max. INL (±LSB) Interface Min. Single Supply (V) Max. Single Supply (V) Operating Temp. Range (°C)
DS4432  NEW! 4 2 Current- Buffered Ext. 1 Serial - I2C 2.7 5.5 -40 to +85
DS4412  4 2 Current- Buffered Ext. 1 Serial - I2C 2.7 5.5 -40 to +85
See All Precision DACs (4-12 Bits) (261)

Key Specifications:   Voltage References
Part Number Output Voltage (V) Tempco (max) (ppm/°C) Initial Accuracy (% max @ +25°C) Supply Current - Series Only (max) (µA) Supply Voltage - Series Only (min) (V) Supply Voltage - Series Only (max) (V) Noise 0.1Hz to 10Hz (µVp-p typ) Features Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
DS4305  Programmable 24 0.03 2,000 4 5.5 160
Series
SOT/3
SOT/5
8 -40 to +125
DS4303  Programmable 30 0.03 1,600 2.4 3.6 200
Series
SOT/5 9 -40 to +85
See All Voltage References (162)



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