Semtech GN1815
NEWFiberEdge® Quad Channel 56GBd PAM4 Linear TIA 500um, Flip Chip

The GN1815 is the latest generation of 56GBd, quad, linear, transimpedance amplifier (TIA) with 500um channel pitch optimized for flip chip assembly. GN1815 is designed for 400Gbps Ethernet operation using PAM4 modulation and optimized for PIN photodiodes.
Overview
Features
- Supports 56GBd PAM4 operation per lane
- Flip chip applications, 500μm I/O lane pitch
- Low IRN
- High bandwidth
- MGC and AGC modes with programmable gain/output swing
- Output swing level detector
- Receive signal strength indicator (1:4)
- Hardware global LOS/LOM based on RSSI/Peak detector status of all channels
- Per channel LOS based on RSSI of individual channel (digital)
- Per channel loss of modulation LOM based on peak detector of individual channel (digital)