ADN2850 Nonvolatile Memory Programmable Resistors Preliminary Technical Data

This file provides product information about ADN2850, including product features and application scenarios.

ADN2850 Nonvolatile Memory Programmable Resistors Preliminary Technical Data - cover page
Brand
ADN2850
Category
Other Electronics
Document type
Datasheet
Language
English
Pages
18
File format
PDF
File size
264 KB
Published
08 June, 2012
Updated
30 September, 2023
Model
ADN2850
MD5 checksum
56E1F75D182537A290E076C8493ACE08
PDF
ADN2850 Nonvolatile Memory Programmable Resistors Preliminary Technical Data PDF

About this manual

The ADN2850 is a dual-channel, digitally controlled programmable resistor device that provides 1024 positions of resolution. It performs the same electronic adjustment function as a mechanical rheostat and features nonvolatile memory to maintain wiper settings. The device supports both linear and logarithmic taper adjustments via a standard SPI-compatible serial interface.

What's inside

  • Features
  • Applications
  • General Description
  • Functional Block Diagram
  • Electrical Characteristics
  • Interface Timing Characteristics
  • Absolute Maximum Ratings
  • Ordering Guide

Specifications

Resolution1024 Position
Full Scale Resistance25K, 250K Ohm
Temperature Coefficient35ppm/°C
Operating Temperature Range-40°C to +85°C
Memory Size26 bytes
InterfaceSPI Compatible Serial Interface
Supply Voltage+3V to +5V Single or +2.5V Dual
Package TypesLFCSP-16, TSSOP-16

Frequently asked questions

What are the applications for the ADN2850?

The device is suitable for SONET, SDH, ATM, Gigabit Ethernet, DWDM Laser Diode Driver, and Optical Supervisory Systems.

Does the ADN2850 have nonvolatile memory?

Yes, it includes nonvolatile memory to maintain wiper settings even when power is removed.

What is the resistor differential nonlinearity?

The resistor differential nonlinearity (R-DNL) is +/- 2 LSB.

Download PDF (264 KB)