參數(shù)資料
型號: AD9540BCPZ-REEL7
廠商: Analog Devices Inc
文件頁數(shù): 23/32頁
文件大小: 0K
描述: IC CLOCK GEN/SYNTHESIZER 48LFCSP
標準包裝: 750
類型: 時鐘發(fā)生器
PLL:
輸入: 時鐘
輸出: CML,PECL
電路數(shù): 1
比率 - 輸入:輸出: 2:2
差分 - 輸入:輸出: 是/是
頻率 - 最大: 655MHz
除法器/乘法器: 是/無
電源電壓: 1.71 V ~ 1.89 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 48-VFQFN 裸露焊盤,CSP
供應商設(shè)備封裝: 48-LFCSP-VQ(7x7)
包裝: 帶卷 (TR)
AD9540
Rev. A | Page 3 of 32
PRODUCT OVERVIEW
The AD9540 is Analog Devices’ first dedicated clocking
product specifically designed to support the extremely stringent
clocking requirements of the highest performance data
converters. The device features high performance PLL (phase-
locked loop) circuitry, including a flexible 200 MHz phase
frequency detector and a digitally controlled charge pump
current. The device also provides a low jitter, 655 MHz CML-
mode, PECL-compliant output driver with programmable slew
rates. External VCO rates up to 2.7 GHz are supported.
Extremely fine tuning resolution (steps less than 2.33 Hz) is
another feature supported by this device. Information is loaded
into the AD9540 via a serial I/O port that has a device write
speed of 25 Mbps. The AD9540 frequency divider block can
also be programmed to support a spread spectrum mode of
operation.
The AD9540 is specified to operate over the extended
automotive range of 40°C to +85°C.
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