MG2155 is a CMOS TIA with wide input dynamic range, high optical sensitivity (-38dBm with PIN) and high overload tolerance (2mApp). Automatic gain control (AGC) circuit is implemented in order to achieve such wide dynamic range. In addition to automatically reducing TIA gain, this AGC circuit also helps to maintain integrity of input signal with excellent transimpedance linearity over frequency. A current sourcing monitor of average photodiode current is available at MON pad for receiver power monitoring for PIN photodiodes.  

Features

Data rate up to 155 Mbps

Typical Sensitivity with PIN -38dBm

Input current overload 2mApp

Typical differential transimpedance 80kΩ

Excellent gain linearity over frequency

Precision average current monitor

No ROSA decoupling capacitor required

Internal or external bias for photodiode

Low power: supply current 18mA with +3v

Applications

APON

SDH/SONET

Fast Ethernet

1x9 Transceiver

 

 


MG2155 Datasheet download

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Mignal Corp. is a leading analog and mixed signal integrated circuit supplier for fiber optical broadband market. With a technical team of over twenty years of combined IC developing experienceRead more...

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