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SFP Module Reference Design
SFP_SY84782U_R0
Preliminary
Micrel Inc. • 2180 Fortune Drive • Jose, CA 95131 • USA • tel +1 (408) 9440800 • fax + 1 (408) 4741000 • San --http://www.micrel.com
March 19, 2015
Preliminary
General Description
This evaluation board is a complete SFP module as
dened in the SFP MSA document. The design uses
Micrel’s MIC3003 controller, the 1G DFB/FP laser .25
driver SY84782U, and any of the SY84113U iting lim
amplierA picture of the fully loaded board is shown on .
the next page.
Datasheets and support documentation are available on
Micrel’s web site at: . www.micrel.com
Related Support Documentation
MIC3003 datasheet: Fibre optic module controller
featuring digital diagnostic monitoring interface, as per
SFF-8472/SFF-8432, with internal/external calibration
and full laser control with bias and modulation current
compensation for temperature variations using lookup
tables.
84782U datasheet. SY.
SY84113U datasheet. . .
MIC3003 software user’s guide.
Features
Compliant with SFP MSA
Allows for easy and fast evaluation of Micrel’s chipset
for low power SFP module
Multi-rate operation up to 1.25Gbps
Single, power supply: 2.5V or 3.3V
Extended temperature range: -40°C to +9 5°C
Transmitter FP/DFP Laser Diode Driver –
Operates from a single 2.5V or 3.3V supply
Modulation current up to 80mA
C be DC or AC coupled to the laser an
Small form factor 3mm x 3mm QFN package
Receiver Limiting Post Amplier –
Wide dierential input range (5mVPP 1800tomVPP)
Wide SD de-assert or LOS assert threshold range
3mVPP to 30mVPP with 4dB typical electrical hysteresis
Fast SD / LOS assert/de-assert time
Available in a tiny 3mm x 3mm QFN package
Controller
Extensive temperature range
Alarms and warnings interrupt and TXFAULT masks
Capability to support up to four chips on the serial
interface
Integrated digital temperature sensor
Temperature compensation of modulation, bias, and
fault levels via NVRAM lookup tables
User-writeable EEPROM scratchpad
Option to be used with Cisco security chip
Diagnostic monitoring interface per SFF-8472/8432
Space saving 3mmx3mm package available
(MIC3003GFL)
Produktspecifikationer
| Varumärke: | Microchip |
| Kategori: | Inte kategoriserad |
| Modell: | SY84113BU |
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