ADN2815 Просмотр технического описания (PDF) - Analog Devices
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ADN2815 Datasheet PDF : 24 Pages
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Data Sheet
FEATURES
Serial data input: 10 Mb/s to 1.25 Gb/s
Exceeds SONET requirements for jitter transfer/
generation/tolerance
Patented clock recovery architecture
No reference clock required
Loss-of-lock indicator
I2C® interface to access optional features
Single-supply operation: 3.3 V
Low power: 390 mW typical
5 mm × 5 mm 32-lead LFCSP, Pb free
APPLICATIONS
SONET OC-1/-3/-12 and all associated FEC rates
Fibre Channel, GbE, HDTVs
WDM transponders
Regenerators/repeaters
Test equipment
Broadband crossconnects and routers
Continuous Rate 10 Mb/s to 1.25 Gb/s
Clock and Data Recovery IC
ADN2815
GENERAL DESCRIPTION
The ADN2815 provides the receiver functions of quantization
and clock and data recovery for continuous data rates from
10 Mb/s to 1.25 Gb/s. The ADN2815 automatically locks to all
data rates without the need for an external reference clock or
programming. All SONET jitter requirements are met,
including jitter transfer, jitter generation, and jitter tolerance.
All specifications are quoted for −40°C to +85°C ambient
temperature, unless otherwise noted.
The ADN2815 is available in a compact 5 mm × 5 mm 32-lead
LFCSP.
FUNCTIONAL BLOCK DIAGRAM
REFCLKP/REFCLKN
(OPTIONAL)
LOL
CF1
CF2 VCC VEE
PIN
NIN
VREF
FREQUENCY
DETECT
LOOP
FILTER
BUFFER
PHASE
SHIFTER
PHASE
DETECT
LOOP
FILTER
VCO
DATA
RE-TIMING
2
2
ADN2815
DATAOUTP/ CLKOUTP/ DRVCC DRVEE DVCC DVEE
DATAOUTN CLKOUTN
Figure 1.
Rev. C
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