參數(shù)資料
型號(hào): AD9550BCPZ
廠商: Analog Devices Inc
文件頁數(shù): 1/20頁
文件大?。?/td> 0K
描述: IC INTEGER-N TRANSLATOR 32-LFCSP
標(biāo)準(zhǔn)包裝: 1
類型: 時(shí)鐘/頻率轉(zhuǎn)換器
PLL:
主要目的: 以太網(wǎng),GPON,SONET/SHD,T1/E1
輸入: CMOS
輸出: CMOS,LVDS,LVPECL
電路數(shù): 1
比率 - 輸入:輸出: 1:2
差分 - 輸入:輸出: 無/是
頻率 - 最大: 810MHz
電源電壓: 3.135 V ~ 3.465 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 32-WFQFN 裸露焊盤,CSP
供應(yīng)商設(shè)備封裝: 32-LFCSP-WQ
包裝: 托盤
Integer-N Clock Translator
for Wireline Communications
AD9550
Rev. 0
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responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
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One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
2010 Analog Devices, Inc. All rights reserved.
FEATURES
Converts preset standard input frequencies to standard
output frequencies
Input frequencies from 8 kHz to 200 MHz
Output frequencies up to 810 MHz LVPECL and LVDS
(200 MHz CMOS)
Preset pin-programmable frequency translation ratios
On-chip VCO
Single-ended CMOS reference input
Two output clocks (independently programmable as LVDS,
LVPECL, or CMOS)
Single supply (3.3 V)
Very low power: <450 mW (under most conditions)
Small package size (5 mm × 5 mm)
Exceeds Telcordia GR-253-CORE jitter generation, transfer
and tolerance specifications
APPLICATIONS
Cost effective replacement of high frequency VCXO, OCXO,
and SAW resonators
Flexible frequency translation for wireline applications such
as Ethernet, T1/E1, SONET/SDH, GPON, xDSL
Wireless infrastructure
Test and measurement (including handheld devices)
BASIC BLOCK DIAGRAM
PLL
OUTPUT
CIRCUITRY
REF
OUT2
OUT1
PIN DECODER
AD9550
09057-
001
Figure 1.
GENERAL DESCRIPTION
The AD9550 is a phase-locked loop (PLL) based clock translator
designed to address the needs of wireline communication and
base station applications. The device employs an integer-N PLL
to accommodate the applicable frequency translation requirements.
It accepts a single-ended input reference signal at the REF input.
The AD9550 is pin programmable, providing a matrix of
standard input/output frequency translations from a list of
15 possible input frequencies to a list of 52 possible output
frequency pairs (OUT1 and OUT2).
The AD9550 output is compatible with LVPECL, LVDS, or
single-ended CMOS logic levels, although the AD9550 is
implemented in a strictly CMOS process.
The AD9550 operates over the extended industrial temperature
range of 40°C to +85°C.
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