DS3903E-020+T&R Overview
There is a 20-TSSOP (0.173, 4.40mm Width) package containing it.The storage of this pentometer begins at Non-Volatile.Embedded in this digital potentiometer are 3 circuits.A secure version of the digital analogic can be found in the Tape & Reel (TR) package.In this pentometer, there are 128 taps to prevent overcurrent.A 128 position is contained in pentometer.In order to mount, it is recommended to follow the Surface Mount axis.potentionmeters with 2.7V~5.5V voltage capabilities can be used.The temperature range of this digital potentiometer is -40°C~85°C.You can limit the flow by using 10kOhm 90kOhm.Family DS3903 includes pentometer.20 pins are available on this potentiameter.With this digital variable resistor, you can find Selectable Address.A potentiometer conducts when its supply voltage is 5V.85°C ensures stable operation.It operates at -40°C at a minimum to maintain reliability.5.5V is its maximum supply voltage.If the supply voltage is set to 2.7V, the electronic potentiometer can operate.
DS3903E-020+T&R Features
Available in 20-TSSOP (0.173, 4.40mm Width) package
3 Circuits
Mounting Type: Surface Mount
Operate temperature at the range of -40°C~85°C
20 pins
Operate supply voltage at the range of 5V

DS3903E-020+T&R Applications
There are a lot of Maxim Integrated
DS3903E-020+T&R Digital Potentiometers applications.

Industrial control
Medical equipment
Refrigerator
Programmable computer
Power supply
Power meter
Automatic detection of equipment
Optic fiber network
Adjusting the LCD Display
Voltage control

Factory Lead Time	6 Weeks
Mounting Type	Surface Mount
Package / Case	20-TSSOP (0.173, 4.40mm Width)
Number of Pins	20
Supplier Device Package	20-TSSOP
Operating Temperature	-40°C~85°C
Packaging	Tape & Reel (TR)
Published	2002
Tolerance	±20%
Feature	Selectable Address
Part Status	Active
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Temperature Coefficient	300 ppm/°C
Resistance	10kOhm 90kOhm
Number of Positions	128
Max Operating Temperature	85°C
Min Operating Temperature	-40°C
Composition	Potentiometer
Voltage - Supply	2.7V~5.5V
Base Part Number	DS3903
Operating Supply Voltage	5V
Configuration	Potentiometer
Interface	I2C
Number of Circuits	3
Max Supply Voltage	5.5V
Min Supply Voltage	2.7V
Nominal Supply Current	250μA
Memory Type	Non-Volatile
Taper	Linear
Number of Taps	128
Resistance - Wiper (Ω) (Typ)	250
Temperature Coefficient (Typ)	±300ppm/°C
Radiation Hardening	No
RoHS Status	ROHS3 Compliant
Lead Free	Lead Free