Semtech GN1800
NEWFiberEdge® Second Generation Linear Transimpedance Amplifier for 56GBaud PAM4

The GN1800 is a high-performance 56GBaud linear type transimpedance amplifier (TIA) designed for 100Gbps Ethernet operation using PAM4 modulation.
Overview
Features
- Supports 56GBd PAM4 operation
- Low IRN—1.9μA typical (30GHz BW)
- High bandwidth: 35GHz typical
- 6.25kΩ differential transimpedance gain
- Overload 2.5mApp, 2.7mADC
- MGC and AGC modes with programmable gain/output swing
- Output swing level detector
- Receive signal strength indicator (1:4)