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AD5259 Datasheet PDF

Part Series:AD5259 Series
Description:Nonvolatile, I2C Compatible 256Position, Digital Potentiometer
Document:AD5259BRMZ10-R7 Datasheet PDF (26 Pages)

AD5259 Datasheet PDF

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Nonvolatile, I2C Compatible 256Position, Digital Potentiometer

AD5259 - ADI Function Overview

Product Details
The AD5259 provides a compact, nonvolatile LFCSP-10 (3 mm x 3 mm) or MSOP-10 (3 mm x 4.9 mm) packaged solution for 256-position adjustment applications. These devices perform the same electronic adjustment function as mechanical potentiometers1 or variable resistors, but with enhanced resolution and solid-state reliability.
The wiper settings are controllable through an I2C-compatible digital interface that is also used to read back the wiper register and EEPROM content. Resistor tolerance is also stored within EEPROM, providing an end-to-end tolerance accuracy of 0.1%.
A separate VLOGIC pin delivers increased interface flexibility. For users who need multiple parts on one bus, Address Bit AD0 and Address Bit AD1 allow up to four devices on the same bus
Applications
LCD panel VCOM adjustment
LCD panel brightness and contrast control
Mechanical potentiometer replacement in new designs
Programmable power supplies
RF amplifier biasing
Automotive electronics adjustment
Gain control and offset adjustment
Fiber to the home systems
Electronics level settings
### Features and Benefits
# Channels: 1 
# Positions: 256 
Memory Type: nonvolatile
Interface: I2C 
Resistor Values (kOhm):
5, 10, 50, 100 
Voltage Range (V): +5.5 V 
Supply Current (µA): 3 µA 
Temp. Range -40°C to +85°C 
Absolute Tempco (ppm/°C): 300 
VLOGIC Pin Provides Increased Interface flexibility
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