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AD5282

Features: ` 256 Position` AD5280 1-Channel` AD5282 2-Channel (Independently Programmable)` Potentiometer Replacement` 20K, 50K, 200K Ohm with TC < 50ppm/ºC` Internal Power ON Mid-Scale Preset` +5 to +15V Single-Supply; ±5.5V Dual-Supply Operation` I2C Compatible InterfaceApplication· Mul...

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SeekIC No. : 004269005 Detail

AD5282: Features: ` 256 Position` AD5280 1-Channel` AD5282 2-Channel (Independently Programmable)` Potentiometer Replacement` 20K, 50K, 200K Ohm with TC < 50ppm/ºC` Internal Power ON Mid-Scale Pre...

AD5282 Data Sheet

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Part Number:
AD5282
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/3/13

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Product Details

Description



Features:

` 256 Position
` AD5280 1-Channel
` AD5282 2-Channel (Independently Programmable)
` Potentiometer Replacement
` 20K, 50K, 200K Ohm with TC < 50ppm/ºC
` Internal Power ON Mid-Scale Preset
` +5 to +15V Single-Supply; ±5.5V Dual-Supply Operation
` I2C Compatible Interface




Application

· Multi-Media, Video & Audio
· Communications
· Mechanical Potentiometer Replacement
· Instrumentation: Gain, Offset Adjustment
· Programmable Voltage to Current Conversion
· Line Impedance Matching




Pinout

Connection Diagram




Specifications

VDD to GND ............................................................. -0.3, +15V
VSS to GND ................................................................... 0V, -7V
VDD to VSS ...................................................................... +15V
VA, VB, VW to GND.....................................................VSS, VDD
AX BX, AX WX, BX WX...........................................±20mA
Digital Input Voltage to GND..........................................0V, 7V
Operating Temperature Range ......................-40°C to +85°C
Thermal Resistance* JA,
TSSOP-14 .................................................................206°C/W
TSSOP-16 .................................................................180°C/W
Maximum Junction Temperature (TJ MAX) ................. +150°C
Storage Temperature .................................-65°C to +150°C
Lead Temperature
RU-14, RU-16 (Vapor Phase, 60 sec) ....................... +215°C
RU-14, RU-16 (Infrared, 15 sec) .............................. +220°C

# Channels 2
# Positions 256
Memory Type Volatile
Interface I2C
Resistor Values (kOhms) 20, 50, 200
Bipolar Voltage Range (V) ±5V
Voltage Range (V) +15V
Supply Current 0.1A
Temp. Range -40 °C to.. 85Deg
Absolute Tempco (ppm/°C) 35ppm/C
Package TSSOP





Description

The AD5280/AD5282 provides a single/dual channel, 256 position digitally-controlled variable resistor (VR) device. These devices 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 20, 50 or 200K ohms has a 1% channel-to-channel matching tolerance with a nominal temperature coefficient of 30 ppm/°C.

Wiper Position programming defaults to midscale at system power ON. Once powered the VR wiper position is programmed by a I2C compatible 2-wire serial data interface. Both parts have two programmable logic outputs available to drive digital loads, gates, LED drivers, analog switches, etc.

The AD5280/AD5282 are available in ultra compact surface mount thin TSSOP-14/-16 packages. All parts are guaranteed to operate over the extended industrial temperature range of -40°C to +85°C. For 3-wire, SPI compatible interface applications, see AD5203/AD5204/AD5206/AD7376/AD8400/AD8402/AD8403/ AD5260/AD5262/AD5200/AD5201 products






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