MG2125
is a CMOS TIA with wide input dynamic range, high optical
sensitivity (-30.5dBm with PIN detector) and high overload tolerance
(0dBm). 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 both PIN
and APD photodiodes through bonding options.
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Features
• Data rates up to 1.25 Gbps
• Sensitivity -30.5dBm
• Input current overload 2mA
• Typical differential
transimpedance 20kΩ
• Excellent gain linearity over
frequency
• Precision average current
monitor(sourcing)
• No TO decoupling capacitor
required
• Internal or external bias for
photodiode
• Low power：supply
current 26mA with 3.3V |
Applications
• 1G EPON ONU Receiver
• Fiber Channel Receiver (1X and
2X)
• Gigbit Ethernet Receiver
• SFF/SFP Modules
• GBIC Receiver
• ATM/SONET |
MG2125 Datasheet download
