Digital potentiometers (for Calibration)



DATA SHEETS
Part Number Description Key Advantages
DS4432 Dual-Channel, I²C Adjustable Sink/Source Current DAC

Inexpensive Power-Supply Margining Made Easy
DS4412 Dual-Channel, I²C Adjustable Sink/Source Current DAC

Inexpensive Power Supply Control Made Easy
MAX8688 Digital Power-Supply Controller/Monitor with PMBus Interface

Complete Control/Monitoring of Any Power Supply with PMBus Interface
DS4305, DS4305K Electronically Programmable Voltage Reference

Nonvolatile Sample and Infinite-Hold Adjustable Voltage Reference for Automated Factory Calibration
DS4303, DS4303K Electronically Programmable Voltage Reference

Nonvolatile Sample and Infinite-Hold Adjustable Voltage Reference for Automated Factory Calibration
DS3902 Dual, NV, Variable Resistors with User EEPROM

DS4302 2-Wire, 5-Bit DAC with Three Digital Outputs

DS4301 Nonvolatile, 32-Position Digital Potentiometer

DS3904, DS3905 Triple, 128-Position, Nonvolatile, Variable, Digital Resistor/Switch

Triple, 128-Position, Nonvolatile, Variable, Digital Resistors/Switches Simplify Automated PC Power-Supply Trim
DS3903 Triple 128-Position Nonvolatile Digital Potentiometer

Lowest Cost Nonvolatile Triple Potentiometer Ideal for Automating Power-Supply Calibration Eliminates Manual Factory Calibration Costs



Key Specifications:

Precision DACs (4-12 Bits)
Part Number Resolution
(bits)
Channels Output Type Reference INL
(±LSB)
Interface Supply Range
(V)
Supply Range
(V)
Oper. Temp.
(°C)
max min max
DS4432  7 2 Current- Buffered Ext. 1 Serial - I2C 2.7 5.5 -40 to +85
DS4412  4
See All Precision DACs (4-12 Bits) (268)

Digital Potentiometers
Part Number Taper POTs Control Interface Wiper Memory Steps REND-TO-END
(kΩ)
Res. Tol.
(%)
Temp. Coeff.
(ppm/°C)
Wiper Resistance
(Ω)
ICC @5V
(µA)
Smallest Available Pckg.
(mm2)
typ typ max max w/pins
DS4302  Linear 1 2-Wire Serial Volatile 32 - - - - 300 30.9
DS3902  2 2-Wire Addressable Non-Volatile 256 50 + (30 or 15) 20 300 160 200 15.6
DS4301  1 Up/Down Non-Volatile 32 200 20 250 500 60 15.6
DS3905  3 2-Wire Addressable Non-Volatile 128 20 25 125 - 200 15.4
DS3904  3 2-Wire Addressable Non-Volatile 128 20 25 125 - 200 15.6
DS3903  3 2-Wire Addressable Non-Volatile 128 10+10+90 20 300 250 250 45.2
See All Digital Potentiometers (126)

Voltage References
Part Number VOUT
(V)
Temp. Coeff.
(ppm/°C)
Initial Accuracy
(% max)
Calibration Method ISUPPLY
(µA)
VSUPPLY
(V)
VSUPPLY
(V)
Noise 0.1Hz to 10Hz
(µVpp)
Oper. Temp.
(°C)
Package/Pins Smallest Available Pckg.
(mm2)
max @ +25°C max min max typ max w/pins
DS4305  Programmable (within 300mV of Rails) 24 0.03 E2CRef. 2000 4 5.5 160 -40 to +125
SOT/3
SOT/5
8
DS4303  30 1600 2.4 3.6 200 -40 to +85
SOT/5
9
See All Voltage References (170)





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