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Description

FULL DATA SHEET (PDF, 428kB) Download   E-Mail The DS1858 dual temperature-controlled nonvolatile (NV) variable resistors with three monitors consists of two 50kΩ 256-position linear variable resistors, three analog monitor inputs (MON1, MON2, MON3), and a direct-to-digital temperature sensor. 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.

Key Features		Applications/Uses
Five Total Monitored Channels (Temperature, VCC, MON1, MON2, MON3) Three External Analog Inputs (MON1, MON2, MON3) Internal Direct-to-Digital Temperature Sensor 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 2-Wire Serial Interface Two Buffers with TTL/CMOS-Compatible Inputs and Open-Drain Outputs Operates from a 3.3V or 5V Supply SFF-8472 Compatible		Diagnostic Monitoring Instrumentation and Industrial Controls Optical Transceivers Optical Transponders RF Power Amps

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