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ADN2813 Datasheet

  • ADN2813

  • Continuous Rate 10 Mb/s to 1.25 Gb/s Clock and Data Recovery...

  • 1184.68KB

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Continuous Rate 10 Mb/s to 1.25 Gb/s Clock and
Data Recovery IC with Integrated Limiting Amp
ADN2813
FEATURES
Serial data input: 10 Mb/s to 1.25 Gb/s
Exceeds SONET requirements for jitter transfer/
generation/tolerance
Quantizer sensitivity: 3.3 mV typ
Adjustable slice level: 鹵95 mV
Patented clock recovery architecture
Loss-of-signal (LOS) detect range: 2.3 mV to 19 mV
Independent slice level adjust and LOS detector
No reference clock required
Loss-of-lock indicator
I
2
C廬 interface to access optional features
Single-supply operation: 3.3 V
Low power: 450 mW typ
5 mm 脳 5 mm 32-lead LFCSP, Pb free
GENERAL DESCRIPTION
The ADN2813 provides the receiver functions of quantization,
signal level detect, and clock and data recovery for continuous
data rates from 10 Mb/s to 1.25 Gb/s. The ADN2813 automati-
cally 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 鈭?0擄C to +85擄C
ambient temperature, unless otherwise noted.
This device, together with a PIN diode and a TIA preamplifier,
can implement a highly integrated, low cost, low power fiber
optic receiver.
The receiver front-end, loss-of-signal (LOS) detector circuit
indicates when the input signal level has fallen below a user-
adjustable threshold. The LOS detect circuit has hysteresis to
prevent chatter at the output.
The ADN2813 is available in a compact 5 mm 脳 5 mm,
32-lead LFCSP.
APPLICATIONS
SONET OC-1/-3/-12 and all associated FEC rates
Fibre Channel, GbE, HDTVs
WDM transponders
Regenerators/repeaters
Test equipment
Broadband cross-connects and routers
FUNCTIONAL BLOCK DIAGRAM
REFCLKP/N
(OPTIONAL)
LOL
CF1
CF2
VCC
VEE
SLICEP/N
PIN
NIN
2
FREQUENCY
DETECT
LOOP
FILTER
QUANTIZER
PHASE
SHIFTER
PHASE
DETECT
LOOP
FILTER
VCO
VREF
LOS
DETECT
DATA
RE-TIMING
2
2
THRADJ
LOS
DATAOUTP/N
CLKOUTP/N
ADN2813
04951-0-001
Figure 1.
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
漏 2005 Analog Devices, Inc. All rights reserved.

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