参数资料
型号: AD9549ABCPZ
厂商: Analog Devices Inc
文件页数: 23/76页
文件大小: 0K
描述: IC CLOCK GEN/SYNCHRONIZR 64LFCSP
产品变化通告: AD9549A Mask Change 22/Oct/2010
标准包装: 1
类型: 时钟/频率发生器,同步器
PLL:
主要目的: 以太网,SONET/SDH,Stratum
输入: CMOS,LVDS,LVPECL
输出: CMOS,HSTL
电路数: 1
比率 - 输入:输出: 2:2
差分 - 输入:输出: 是/是
频率 - 最大: 750MHz
电源电压: 1.71 V ~ 3.465 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 64-VFQFN 裸露焊盘,CSP
供应商设备封装: 64-LFCSP-VQ(9x9)
包装: 托盘
产品目录页面: 776 (CN2011-ZH PDF)
AD9549
Rev. D | Page 3 of 76
REVISION HISTORY
1
2/10—Rev. C to Rev. D
Changes to IAVDD (Pin 19, Pin 23 to Pin 26, Pin 29, Pin 30,
Pin44, Pin 45) Parameter .................................................................4
Changes to Total Power Dissipation Parameter and Added
Endnote 4 ...........................................................................................5
Changes to Pin 59 Description......................................................11
Changes to Direct Digital Synthesizer (DDS) Section ...............20
Changes to Power-Up Section .......................................................42
Changes to Address 0x0002 Default Value (in Table 13) ...........48
Changes to Address 0x0400 and Address 0x40E Default Values
(in Table 13) .....................................................................................52
5/10—Rev. B to Rev. C
Deleted 64-Lead LFCSP (CP-64-1).................................. Universal
Changes to SYSCLK PLL Enabled/Minimum Differential Input
Level Parameter, Table 2 ...................................................................6
Updated Outline Dimensions........................................................74
Changes to Ordering Guide...........................................................74
1/10—Rev. A to Rev. B
Changes to I/O Register Map Section, Introduction and
Table 13.............................................................................................48
Changes to Register 0x0405 to Register 0x0408—Reserved
Section ..............................................................................................70
Added Register 0x0406—Part Version Section...........................71
12/09—Rev. 0 to Rev. A
Added 64-Lead LFCSP (CP-64-7) ................................... Universal
Changes to Total Power Dissipation Parameter............................5
Changes to Serial Port Timing Specifications and
Propagation Delay Parameters ........................................................8
Added Exposed Paddle Notation to Figure 2; Changes to
Table 4...............................................................................................10
Corrected DDS Phase Offset Resolution from 16 Bits to
14 Bits Throughout; Change to Figure 25....................................20
Changes to Phase Lock Detection Section ..................................24
Change to Figure 30........................................................................25
Changes to Loss of Reference and Reference Frequency
Monitor Sections .............................................................................26
Change to Output Frequency Range Control Section ...............32
Change to Figure 46........................................................................36
Changes to Frequency Estimator Section ....................................37
Changes to Programming Sequence Section ..............................42
Changes to Power Supply Partitioning Section...........................43
Change to Serial Control Port Section .........................................44
Changes to Figure 54 ......................................................................46
Added Exposed Paddle Notation to Outline Dimensions and
Changes to Ordering Guide...........................................................74
8/07—Revision 0: Initial Version
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