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SY88905

Features: DC bias current adjustable to 25mA Buffered Loss-of-Signal output when used with SY88903 Monitor Diode power control circuit Designed for use with SY88902 and SY88903 Single power supply Available in 10-pin (3mm) MSOPApplicationController for High Speed Optical Data Transmission 1.25Gbp...

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SeekIC No. : 004510277 Detail

SY88905: Features: DC bias current adjustable to 25mA Buffered Loss-of-Signal output when used with SY88903 Monitor Diode power control circuit Designed for use with SY88902 and SY88903 Single power supply ...

SY88905 Data Sheet

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Part Number:
SY88905
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/12/23

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Product Details

Description



Features:

DC bias current adjustable to 25mA
Buffered Loss-of-Signal output when used with SY88903
Monitor Diode power control circuit
Designed for use with SY88902 and SY88903
Single power supply
Available in 10-pin (3mm) MSOP




Application

Controller for High Speed Optical Data Transmission
1.25Gbps Gigabit Ethernet
531 Mbps and 1062Mbps Fibre Channel
622Mbps SONET
Gigabit Interface Converter




Pinout

Connection Diagram




Specifications

Symbol Rating Value Unit
VCC Power Supply Voltage 0 to +7 V
LOSIN Input Voltage 0 to VCC V

LOSOUT, IPIN SET
IBIASFB, IBIAS SET

 Others; I/O Voltage 0.3, VCC +0.3 V
TA Operating Temperature Range 0 to +85 °C
Tstore Storage Temperature Range -55 to +12 5 °C
IPIN SET, IBIAS SET, IMD Max. Sink Current 1 mA
IBIASFB Max. Source Current 1 mA
IBIAS Max.SinkCurrent 30
mA
IVREF Max. Source Current 2 mA





Description

The SY88905 is an integrated Laser Diode controller for the SY88902 Laser Driver and SY88903 Laser Receiver that provides power control functions for a complete module solution. The SY88905 is designed to provide the laser diode with an independent DC threshold current (IBIAS) source to assure optimum laser diode performance. The SY88905 also provides buffered Loss-of-Signal (LOS) output in PECL level. The device is designed for fast and accurate calibration of the laser diode.

Once the optimal operating point is determined and set for a specific laser diode, the threshold current (IBIAS) of SY88905 is designed to automatically compensate for laser diode aging and module temperature.






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