Manufacturer Part Number
DS1803E-100+T&R
Manufacturer
Analog Devices
Introduction
Digital potentiometer for data acquisition applications
Product Features and Performance
Two independent potentiometer circuits
256 position linear taper adjustment
I2C serial interface for digital control
Selectable I2C address allows multiple devices on the same bus
Volatile memory retains settings only while powered
Product Advantages
High resolution with 256 taps
Dual-channel control in a single IC
Wide operating voltage range from 2.7V to 5.5V
Compact 14-TSSOP package for space-saving
Key Technical Parameters
Resistance 100k Ohms
Temperature Coefficient 750ppm/°C
Supply Voltage 2.7V to 5.5V
Operating Temperature -40°C to 85°C
Tolerance ±20%
Typical Wiper Resistance 400 Ohms
Quality and Safety Features
Built-in robustness for operation in varied thermal environments
Compatibility
I2C communication for use with various microcontrollers
Application Areas
Automated device calibration
Consumer electronics volume control
Adjustable power supplies
Industrial automation control systems
Product Lifecycle
Active status, not nearing discontinuation
Key Reasons to Choose This Product
Precision control with 256 tap points
Stable performance across a wide temperature range
Ideal for applications needing precise voltage adjustments
Convenient serial communications interface
Multiple devices can be used in parallel with address selection
Supports a broad voltage supply range, enhancing compatibility with other system components
Lightweight, compact surface-mount package for integration into space-constrained designs
DS1803Z-050+Maxim
DS1803-100DALLAS