NT24L50 – 1.25 Gbps High Sensitivity TIA

       
       
  Main Features   General Description
       
Typical -31 dBm sensitivity, +3 dBm overload at 1.25 Gbps when used with 0.9 A/W PIN (CPD = 0.65 pF, BER = 10-10 )  

The NT24L50 is a high sensitivity transimpedance amplifier (TIA) with automatic gain control (AGC) manufactured in a low cost pure CMOS process. The AGC enables over 34 dB of dynamic operating range, resulting in a high performance TIA designed for cost sensitive fiber optic applications such as GePON transceivers, Gigabit Ethernet and Fiber Channel.

The NT24L50 is pad compatible with the Mindspeed M02016 whilst offering superior performance and additional features. The NT24L50 can be used in new cost sensitive applications or as a drop-in replacement for the M02016 in existing applications requiring cost reduction without major re-design effort.

Featuring data polarity invert, photodiode monitor and monitor invert functions as well as being designed to operate without the requirement for a VDD supply decoupling capacitor within the ROSA , the NT24L50 offers the most flexible, high performance receiver solution for cost sensitive 1.25 Gbps applications available.

     
Typical transimpedance: 27 kΩ  
     
Manufactured in low cost, pure CMOS process  
     
Single +3.3 V power supply  
     
Differential data outputs  
     
Internal regulated photodiode bias  
     
No internal ROSA VDD supply decoupling capacitor required for typical operation  
     
Photodiode current monitor output - can be programmed to Sink or Source  
     
Data polarity invert function  
     
Pad compatible drop-in replacement for Mindspeed M02016  
       
  Applications    
       

GePON, Gigabit Ethernet, Fiber Channel

   
       
SFF, SFP, GBIC transceivers    
 
 
 

Functional Block Diagram

   
 

Die

 
 

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Nanotech Semiconductor Ltd
2, West Point Court, Great Park Road
Bradley Stoke | Bristol BS32 4PY | England
Tel: +44-1454-462200 | Fax: +44-1454- 462201
www.nanosemi.co.uk