SY88943VKG-TR

Overview

The SY88943VKG-TR is a limiting post amplifier manufactured by Microchip Technology, housed in a 10-pin MSOP package. It supports power supply voltages from 3V to 5.5V and operates at data rates up to 2.5Gbps. The device features differential PECL inputs for data and provides a TTL open collector Signal Detect output. Designed for fiber-optic receivers, it amplifies signals as small as 5mVp-p to drive PECL input devices.

Feature Summary

• Provides high gain and wide bandwidth suitable for post-amplification in fiber-optic applications
• Generates a chatter-free Signal Detect (SD) output with programmable level detection
• Features an Enable (EN) pin to control output signal state without removing the input signal

Applications

• 1.25Gbps and 2.5Gbps Ethernet systems
• Fibre Channel links operating at 531Mbps, 1062Mbps, and 2.12Gbps
• 622Mbps SONET interfaces
• Gigabit interface converters
• 2.5Gbps SDH/SONET networks

Procurement Notes

Verify that the component matches the specific ordering suffix 'KG' which indicates a lead finish of NiPdAu and includes a Pb-Free bar-line indicator. Confirm the package type is the 10-pin MSOP (K10-1). Ensure the revision status aligns with current manufacturing standards, as the datasheet references Micrel, Inc., now part of Microchip Technology.

Selection Notes

Select this component when designing fiber-optic receiver stages requiring operation up to 2.5Gbps. It is appropriate for interfacing with transimpedance amplifiers where noise quantization is necessary. Consider the single power supply requirement and the need for external termination resistors for the PECL outputs during circuit design.

Part Context

This device belongs to the SY88943 series of limiting amplifiers. It is specifically engineered for use with Micrel-Synergy laser diode drivers and controllers. The component serves as a critical interface between the optical front-end electronics and digital processing units in high-speed communication links.

Replacement Considerations

Public confirmed substitute part numbers: SY88943VKC, SY88943VKCTR, SY88943VKG.