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Maxim > Solutions > Power Solutions for Nonportable Applications

Digital Potentiometers (for Calibration)

DATA SHEETS
Display Title/Parts Key Advantages
QV  PDF ±0.3% Accurate, Quad, Power-Supply Controller with Active-Voltage Output Control and PMBus Interface
MAX16064

Complete Control/Monitoring of Up to Four Power Supplies with PMBus Interface
QV  PDF Dual-Channel, I²C Adjustable Sink/Source Current DAC
DS4432

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

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

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

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

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

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

QV  PDF Nonvolatile, 32-Position Digital Potentiometer
DS4301

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

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

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) (261)

Key Specifications:  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 16.2
DS4301  1 Up/Down Non-Volatile 32 200 20 250 500 60 16.2
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 16.2
DS3903  3 2-Wire Addressable Non-Volatile 128 10+10+90 20 300 250 250 45.2
See All Digital Potentiometers (123)

Key Specifications:  Step-Down Switching Regulators
Part Number Package/Pins Smallest Available Pckg.
(mm2)
max w/pins
MAX16064 NEW!
TQFN/36
37.2
See All Step-Down Switching Regulators (264)

Key Specifications:  Voltage References
Part Number VOUT
(V)
Temp. Coeff.
(ppm/°C)
Initial Accuracy
(% max)
ISUPPLY
(µA)
VSUPPLY
(V)
VSUPPLY
(V)
Noise 0.1Hz to 10Hz
(µVpp)
Features Oper. Temp.
(°C)
Package/Pins Smallest Available Pckg.
(mm2)
max @ +25°C max min max typ max w/pins
DS4305  Programmable 24 0.03 2000 4 5.5 160 Series -40 to +125
SOT/5
9
DS4303  30 1600 2.4 3.6 200 -40 to +85
SOT/5
See All Voltage References (162)



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