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DS1857 - Dual Temperature-Controlled Resistors with External Temperature Input and Monitors

Description

The DS1857 dual temperature-controlled nonvolatile (NV) variable resistors with external temperature input and monitors consists of two 50kΩ 256-position linear variable resistors, two analog monitor inputs (MON1, MON2), and an external temperature sensor input.

Features

  • Four Total Monitored Channels (Temperature, VCC, MON1, MON2).
  • Two External Analog Inputs (MON1, MON2).
  • Interface to External Temperature Sensor (LM50).
  • Two 50kΩ, Linear, 256-Position, Nonvolatile Temperature-Controlled Variable Resistors.
  • Resistor Settings Changeable Every 2°C.
  • Access to Monitoring and ID Information Configurable with Separate Device Addresses.
  • Resistor Disable (Open-Circuit) Function.
  • 2-Wire Serial Interfa.

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Datasheet preview – DS1857

Datasheet Details

Part number DS1857
Manufacturer Maxim Integrated
File Size 942.48 KB
Description Dual Temperature-Controlled Resistors with External Temperature Input and Monitors
Datasheet download datasheet DS1857 Datasheet
Additional preview pages of the DS1857 datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com Rev 1; 6/04 Dual Temperature-Controlled Resistors with External Temperature Input and Monitors General Description The DS1857 dual temperature-controlled nonvolatile (NV) variable resistors with external temperature input and monitors consists of two 50kΩ 256-position linear variable resistors, two analog monitor inputs (MON1, MON2), and an external temperature sensor input. The device provides an ideal method for setting and temperature-compensating bias voltages and currents in control applications using minimal circuitry. The variable resistor settings are stored in EEPROM memory and can be accessed over the 2-wire serial bus.
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