HXR8201-DNT

Overview

The HXR8201-DNT is a transimpedance limiting amplifier array designed for single-channel fiber optic links. It integrates a transimpedance preamplifier, a limiting post-amplifier, and a CML output stage. The device operates at 28 Gbps with a receiver sensitivity of 60 uApp for a 10^-12 BER. It supports an overload current greater than 2.4 mApp and consumes 141 mW per channel in low power mode. The component is built on 3.3V SiGe technology and complies with QSFP MSA standards.

Feature Summary

• Integrates transimpedance preamplifier, limiting post-amplifier, and CML output stage for optical signal processing.
• Features automatic gain and threshold controls with adjustable output swing size and pre-emphasis mode.
• Includes signal detect functionality and programmable threshold with SQUELCH function.
• Optimized for compatibility with isolated and common cathode photo-detector arrays from multiple vendors.

Applications

• High-capacity datacom applications
• 100G to 25G fan-out optical links
• Single channel fiber optic links

Procurement Notes

Verify the End-of-Life (EOL) status before procurement planning. Official documentation indicates this part number is obsolete and subject to discontinuance. Confirm final availability through authorized channels as stock is limited or unavailable. Ensure compliance with RoHS requirements specified in the datasheet. Review Product Change Notifications for any manufacturing updates prior to integration into new designs.

Selection Notes

Select this component for high-speed optical receiver designs requiring integrated TIA and limiting amplifier functions. The SiGe technology offers low power consumption suitable for dense module layouts. Verify compatibility with specific PIN detector arrays, as the chip is optimized for both isolated and common cathode configurations. Ensure system design accommodates the 3.3V supply voltage and QSFP MSA interface requirements.

Part Context

The HXR8201-DNT belongs to the Optical Receiver Transmitter Array (ORTA) product family from Renesas Electronics (formerly IDT). This series targets the single-channel fiber optic market with high-availability solutions. The DNT suffix typically denotes a wafer-level package format, distinct from evaluation boards or other carrier types within the same product line.

Replacement Considerations

This part number is officially listed as Obsolete. No direct public substitute part numbers are confirmed in the provided documentation. Designers should consult official EOL notifications for recommended alternative components or contact the manufacturer for legacy support options.