2.5G TIA for APD
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Product Overview
The HiLight HLR2G50 is a high sensitivity transimpedance amplifier (TIA) with automatic gain control (AGC) manufactured in a pure CMOS process. The AGC enables over 29 dB of dynamic operating range, resulting in a high performance TIA suitable for fiber optic applications such as GPON and OC-48 SONET.
The HLR2G50 is pad compatible with all popular 2.5Gbps TIAs whilst offering superior performance and additional features. The HLR2G50 can be used in new applications or as a drop-in replacement for existing TIAs without major re-design effort.
Featuring photodiode monitor and monitor invert functions the HLR2G50 offers the most flexible, high performance receiver solution for 2.5 Gbps applications available.
Main Features
APD: Typical -34 dBm sensitivity at 2.5 Gbps when used with typical APD (CPD = 0.42 pF, BER = 10-10)
PIN: Typical -28 dBm sensitivity, 0 dBm overload at 2.5 Gbps when used with 0.9 A/W PIN (CPD = 0.42 pF, BER = 10-10)
Typical transimpedance: 12 kΩ
No internal ROSA/BOSA VDD supply decoupling capacitor required for typical operation
Single +3.3 V supply voltage and typical 21.5 mA supply current
Internal regulated photodiode bias
Photodiode Receiver Signal Strength Indication (RSSI) monitor output, with selectable Sink or Source current modes
Selectable anode or cathode photodiode current monitoring function
Applications
GPON, OC-48, 2xFC
APD Long reach receivers
SFF, SFP Transceivers