參數(shù)資料
型號(hào): AD9549ABCPZ-REEL7
廠商: Analog Devices Inc
文件頁(yè)數(shù): 69/76頁(yè)
文件大?。?/td> 0K
描述: IC CLOCK GEN/SYNCHRONIZR 64LFCSP
產(chǎn)品變化通告: AD9549A Mask Change 22/Oct/2010
標(biāo)準(zhǔn)包裝: 750
類型: 時(shí)鐘/頻率發(fā)生器,同步器
PLL:
主要目的: 以太網(wǎng),SONET/SDH,Stratum
輸入: CMOS,LVDS,LVPECL
輸出: CMOS,HSTL
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: 750MHz
電源電壓: 1.71 V ~ 3.465 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 64-VFQFN 裸露焊盤(pán),CSP
供應(yīng)商設(shè)備封裝: 64-LFCSP-VQ(9x9)
包裝: 帶卷 (TR)
AD9549
Rev. D | Page 71 of 76
Register 0x0406—Part Version
Table 127.
Bits
Bit Name
Description
[7:6]
Part version
01b = AD9549, Revision A
00b = AD9549, Revision 0
[5:0]
Reserved
N/A
Register 0x0407 to Register 0x0408—Reserved
Register 0x0409—PFD Offset
Table 128.
Bits
Bit Name
Description
[7:0]
DPLL phase offset
This register controls the static time offset of the PFD (phase frequency detector) in closed-loop mode.
It has no effect when the DPLL is open.
Register 0x040A—PFD Offset (Continued)
Table 129.
Bits
Bit Name
Description
[13:8]
DPLL phase offset
This register controls the static time offset of the PFD (phase frequency detector) in closed-loop mode.
It has no effect when the DPLL is open.
Register 0x040B—DAC Full-Scale Current
Table 130.
Bits
Bit Name
Description
[7:0]
DAC full-scale current
DAC full-scale current, Bits[7:0]. See the DAC Output section.
Register 0x040C—DAC Full-Scale Current (Continued)
Table 131.
Bits
Bit Name
Description
[9:8]
DAC full-scale current
DAC full-scale current, Bits[9:8]. See Register 0x040B.
Register 0x040D to Register 0x040E—Reserved
Register 0x040F—Reference Bias Level
Table 132.
Bits
Bit Name
Description
[7:2]
Reserved
Reserved.
[1:0]
DC input level
This register sets the dc bias level for the reference inputs. The value should be chosen such that V
IH is
as close as possible to, but does not exceed, 3.3 V.
00 = VDD3 800 mV.
01 = VDD3 400 mV.
10 = VDD3 1.6 V.
11 = VDD3 1.2 V.
Register 0x0410—Reserved
HARMONIC SPUR REDUCTION (REGISTER 0x0500 TO REGISTER 0x0509)
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