AD5206:  6-Channel, 256-Position Digital Potentiometer

The AD5206 contains six, 256 position, digitally-controlled variable resistors (VR). These parts perform the same electronic adjustment function as a potentiometer, trimmer, or variable resistor. Each ...More

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AD5206:  6-Channel, 256-Position Digital Potentiometer

Product Description

The AD5206 contains six, 256 position, digitally-controlled variable resistors (VR). These parts perform the same electronic adjustment function as a potentiometer, trimmer, or variable resistor. Each VR offers a completely programmable value of resistance, between the A terminal and the wiper or the B terminal and the wiper. The fixed A-to-B terminal resistance of 10, 50 or 100 K Ohms has a 1% channel-to-channel matching tolerance with a nominal temperature coefficient of 700 ppm/°C.

Wiper Position programming defaults to midscale at system power ON. Once powered, the VR wiper position is programmed by a standard SPI, Microwire compatible 3-wire serial data interface. The AD5206 is available in both surface mount (SOL-24), TSSOP-24 and the 24 lead plastic DIP packages. All parts are guaranteed to operate over the extended industrial temperature range of -40°C to +85°C. For additional single, dual and quad channel devices, see the AD8400/AD8402/AD8403 product family.

Features

  • 256 positions
  • Multiple independently programmable channels
    AD5204—4-channel
    AD5206—6-channel
  • Potentiometer replacement
  • Terminal resistance of 10 kΩ, 50 kΩ, 100 kΩ
  • 3-wire SPI-compatible serial data input
  • +2.7 V to +5.5 V single-supply operation;
    V dual-supply operation
  • Power-on midscale preset

Diagrams

AD5206 Diagram
Functional Block Diagram for AD5206

Specifications

# Channels 6
# Positions 256
Memory Type Volatile
Interface SPI
Resistor Values (kOhms) 10, 50, 100
Bipolar Voltage Range (V) ±3V
Voltage Range (V) +5.5V
Supply Current (max) 12µA
Temp. Range -40 °C to.. 85Deg
Absolute Tempco (ppm/°C) 700ppm/C
Package PDIP,SOIC,TSSOP

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