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M02026

1.25 Gbps CMOS Transimpedance Amplifier with AGC


Overview

Description

The M02026 is a 1.25 Gbps transimpedance amplifier (TIA) achieving a wide input dynamic range to support different transmission distance requirements. Input overload of 4 mAPP is provided to support short-haul fiber optic systems and input sensitivity of better than -33.3 dBm allows detection of a very small signal in a noisy environment.

The M02026 incorporates an automatic gain control (AGC) in order to satisfy high sensitivity and optical overload requirements. The AGC monitors the output amplitude and automatically reduces the TIA gain when the photodiode current exceeds the AGC threshold, maintaining the output at a constant level.

Features

  • Typical -33.3 dBm sensitivity
  • Data rates to 1.25 Gbps
  • No filter (PINK) capacitor required
  • AGC provides dynamic range of 40 dB
  • 120 kΩ differential transimpedance
  • 4 mAPP overload input current
  • Photodiode current monitor
  • Internal or external bias for photodiode
  • Single +3.3V supply
  • Same pad layout and die size as M02011/13/14/15/16/20/24

Ordering Information

Part Description Package Pin Count Status
M02026-12 1.25 Gpbs TIA Waffle Packed Die n/a N/A
M02026-12P 1.25 Gbps TIA Waffle Packed Die n/a n/a
M02026-22 1.25 Gpbs TIA Quartered Wafer (QSPBG) n/a Die sales
M02026-32 1.25 Gpbs TIA Sawn Silicon Wafer DIE n/a
Documentation
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Applications

  • GPON and GEPON transceivers
  • 1x Fibre Channel transceivers
  • 1.25 Gbps ROSA
  • 1.25 Gbps SFF/SFP modules
  • ATM/SONET
  • 4 km and 10 km single-mode links
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