DS1852

Optical Transceiver Diagnostic Monitor

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Part Details

Implements proposals of SFF-8472 at device address A2h
[Note: requires use of external EEPROM at address A0h for full compliance.]
Scaleable four-input muxing analog-to-digital converter (ADC)
Direct-to-digital temperature converter
Programmable alarm and warning conditions
Temperature-compensated, programmable three-input muxing fast comparator
Access temperature, data, and device control through a 2-wire interface
Operates from 3V or 5V supplies
Packaging: 25-ball BGA
Operating temperature: -40°C to +100°C
Programming temperature: 0°C to +70°C
Three levels of security
127 bytes EEPROM for security level 1
128 bytes EEPROM for security level 2
Address space is GBIC compliant (with use of external EEPROM at device address A0h)

This is the most up-to-date revision of the Data Sheet.

Parts	Product Life Cycle	Description
Current Mirrors & Matched Devices 2
DS1847	NOT RECOMMENDED FOR NEW DESIGNS	Dual Temperature-Controlled NV Variable Resistor
DS1848	NOT RECOMMENDED FOR NEW DESIGNS	Dual Temperature-Controlled NV Variable Resistor & Memory
Digital to Analog Converters 2
DS1845	NOT RECOMMENDED FOR NEW DESIGNS	Dual NV Potentiometer and Memory
DS1855	NOT RECOMMENDED FOR NEW DESIGNS	Dual Nonvolatile Digital Potentiometer and Secure Memory

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