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Maxim > 方案 > 光纤模块

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 温度控制、NV、I²C对数电阻器
DS1841

业内仅有的温补电阻，可理想用于APD偏置和光模块
QV    超小型、单通道16/12位、带缓冲VOUT的DAC，集成基准
MAX5138, MAX5139

业内最小的16位DAC，可通过引脚设置上电默认状态为零或中间值
QV    超小型、双通道16/12位、带缓冲VOUT的DAC，集成基准
MAX5136, MAX5137

业内最小的16位DAC，可通过引脚设置上电默认状态为零或中间值
QV  PDF 低功耗、四通道、16位，带有输出电压缓冲的DAC
MAX5134

业内最小的16位DAC，可通过引脚设置上电默认状态为零或中间值
QV  PDF PON三工器控制及监测电路
DS1865

为GPON、BPON及GEPON收发器提供完备的控制、校准、监控方案
QV  PDF DS1863突发模式PON控制器，集成监控器
DS1863

为GPON、BPON及GEPON收发器提供完备的控制、校准、监控方案
QV  PDF 双路、非易失、可变电阻器，带有用户EEPROM
DS3902
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
QV  PDF 双路、非易失数字电位器及安全存储器
DS1855
QV  PDF 双路、非易失电位器和存储器
DS1845



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) Applications Features Supply Voltage (V) Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
DS1841  Log 1 I2C Non-Volatile 128 22 20 250 370 1
•Audio Control
•Fiber Communications
•Fibre Optic Modules
•72 Byte Lookup Table
•On-Chip Temperature Sensor and ADC
 2.7 to 5.5 TDFN/10 10 -40 to +95
DS3902  Linear 2 2-Wire Addressable Non-Volatile 256 50 + (30 or 15) 20 300 160 200
•Fiber Communications
•Power Supply Cal.
•EEPROM Wiper Memory
 2.4 to 5.5 uSOP/8 16  - 
DS3905  Linear 3 2-Wire Addressable Non-Volatile 128 20 25 125  -  200
•Fiber Communications
•Power Supply Cal.
•EEPROM Wiper Memory
 2.7 to 5.5 uSOP/10 15  - 
DS3904  Linear 3 2-Wire Addressable Non-Volatile 128 20 25 125  -  200
•Fiber Communications
•Power Supply Cal.
•EEPROM Wiper Memory
 2.7 to 5.5 uSOP/8 16  - 
DS3903  Linear 3 2-Wire Addressable Non-Volatile 128 10+10+90 20 300 250 250
•Fiber Communications
•Power Supply Cal.
•EEPROM Wiper Memory
 2.7 to 5.5 TSSOP/20 45  - 
DS1855  Linear 2 2-Wire Addressable Non-Volatile 100+256 10+10
10+100
10+20
10+50 		20 750 250 60
•Fiber Communications
•GBIC
•256-Byte User EEPROM
•EEPROM Wiper Memory
•GBIC
 2.7 to 5.5 CSBGA/16
FCHIP/14
TSSOP/14 		5  - 
DS1845  Linear 2 2-Wire Addressable Non-Volatile 100+256 10+10
10+100
10+50 		20 750 250 40
•Fiber Communications
•GBIC
•256-Byte User EEPROM
•EEPROM Wiper Memory
 2.7 to 5.5 CSBGA/16
FCHIP/14
TSSOP/14 		5  - 
See All Digital Potentiometers (121)

Key Specifications:   Fiber Monitoring and Control
Part Number Features ADCs Resolution (Bits) DACs, Pots, Resistors Temp. Sensor Memory Supply Voltage (V) Control Interface EV-Kit Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
DS1865 
•Alarm/Warning Flags
•Complies or Compatible to SFF-8472
•Internal Calibration
•Look-Up Table Compensation
•Maskable Laser Shutdown Capability
•Scalable Dynamic Ranging (Right Shifting)
•User EEPROM
 6-Input Muxable 13 3 DACs Internal EEPROM 3.3
5 		I2C Yes TQFN/28  -  -40 to +95
DS1863 
•Alarm/Warning Flags
•Complies or Compatible to SFF-8472
•Internal Calibration
•Look-Up Table Compensation
•Maskable Laser Shutdown Capability
•Scalable Dynamic Ranging (Right Shifting)
•User EEPROM
 5-Input Muxable 13 1 DAC Internal EEPROM 3.3
5 		I2C Yes TSSOP/16 33 -40 to +95
See All Fiber Monitoring and Control (10)


         


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