The DS3903 contains three nonvolatile (NV) low temperature coefficient digital potentiometers, which can be accessed through a 2-wire bus. The DS3903 operates in both 3V and 5V systems, and it features a write-protect pin that can lock the positions of the potentiometers. An address pin allows two DS3903s to be placed on the same 2-wire bus.

Three 128-Position Linear Potentiometers (Two 10kΩ, One 100kΩ)
NV Wiper Storage
Low End-to-End Temperature Coefficient
Operates on an Industry-Standard 2-Wire Bus
Write-Protect Pin
Supply Range: 3V or 5V
Operating Temperature Range: -40°C to +85°C
Packaging: 20-Pin TSSOP
Applications
A Small and Low-Cost Replacement for Mechanical Potentiometers
Fiber Optic Transceiver Modules
Mobile Phones and PDAs
Portable Electronics
Power Supply Calibration

Units	Per unit	Per Pack*
10 - 20	£1.71	£17.10
30 - 90	£1.662	£16.62
100 - 240	£1.351	£13.51
250 - 490	£1.327	£13.27
500 +	£1.279	£12.79

Select all	Attribute	Value
	Brand	Maxim Integrated
	Resistance Value	110kΩ
	Number of Positions	128
	Taper Type	Linear
	Memory Type	Non-Volatile
	Number of Pots per Package	3
	Mounting Type	Surface Mount
	Package Type	TSSOP
	Pin Count	20
	Power Supply Type	Single
	Typical Single Supply Voltage	5.5 V
	Dimensions	6.6 x 0.177 x 0.037mm
	Height	0.04mm
	Maximum Operating Temperature	+85 °C
	Minimum Operating Temperature	-40 °C
	Width	0.18mm
	Length	6.6mm

	Select all
	Brand Maxim Integrated
	Resistance Value 110kΩ
	Number of Positions 128
	Taper Type Linear
	Memory Type Non-Volatile
	Number of Pots per Package 3
	Mounting Type Surface Mount
	Package Type TSSOP
	Pin Count 20
	Power Supply Type Single
	Typical Single Supply Voltage 5.5 V
	Dimensions 6.6 x 0.177 x 0.037mm
	Height 0.04mm
	Maximum Operating Temperature +85 °C
	Minimum Operating Temperature -40 °C
	Width 0.18mm
	Length 6.6mm

DS3903E-020+, Digital Potentiometer 110kΩ 128-Position Linear 3-Channel 20 Pin, TSSOP

FREE delivery for orders over £50.00

Related links

Be the first to know about our latest products and services