DS1852B-000/T&R

Specialized Overview

The DS1852B-000/T&R is an optical transceiver diagnostic monitor compliant with SFF-8472. It features a 2-wire serial interface, four analog inputs (VCC, temperature, Bin, Pin, Rin), and three fast comparators. The device includes 128 bytes of EEPROM for security level 2 and operates from 3V or 5V supplies. It utilizes a 25-ball BGA package and supports an operating temperature range of -40°C to +100°C.

Specialized Feature Summary

• Implements SFF-8472 proposals for system monitoring functions in fiber optic data transceiver modules.
• Provides direct-to-digital temperature conversion and scalable four-input multiplexing analog-to-digital conversion.
• Includes programmable alarm and warning conditions for all analog and temperature values.
• Features temperature-compensated, programmable three-input multiplexing fast comparators.

Specialized Applications

• Managing system monitoring functions in fiber optic data transceiver modules.
• Monitoring critical parameters such as supply voltage, bias current, and received power.
• Tracking and calibration memory storage for optical transceivers.

Specialized Procurement Notes

Verify the specific ordering suffix against official documentation to confirm packaging type. The base part number indicates a standard tape and reel configuration. Ensure compatibility with the required 25-ball BGA footprint and voltage levels before integration into the design.

Specialized Selection Notes

Select this component when SFF-8472 compliance is required for optical transceiver diagnostics. It is suitable for designs needing integrated temperature sensing and analog monitoring via a 2-wire interface. Consider the 25-ball BGA package constraints and the -40°C to +100°C operating temperature range during board layout.

Specialized Part Context

This component belongs to the DS1852 family of optical transceiver monitors manufactured by Analog Devices Inc./Maxim Integrated. It serves as a specialized IC for managing diagnostic and monitoring tasks within high-speed optical communication modules, ensuring adherence to industry standards like SFF-8472.

Specialized Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify pinout and functional compatibility if considering alternative devices from other manufacturers.