參數(shù)資料
型號： AD9548BCPZ
廠商： Analog Devices Inc
文件頁數(shù)： 94/112頁
文件大?。?/td> 0K
描述： IC CLOCK GEN/SYNCHRONIZR 88LFCSP
產(chǎn)品變化通告： AD9548 Mask Change 20/Oct/2010
標(biāo)準(zhǔn)包裝： 1
類型： 時鐘/頻率發(fā)生器，同步器
PLL： 是
主要目的： 以太網(wǎng)，SONET/SDH，Stratum
輸入： CMOS，LVDS，LVPECL
輸出： CMOS，LVDS，LVPECL
電路數(shù)： 1
比率 - 輸入:輸出： 1:1
差分 - 輸入:輸出： 是/是
頻率 - 最大： 750kHz
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： 88-VFQFN 裸露焊盤，CSP
供應(yīng)商設(shè)備封裝： 88-LFCSP-VQ（12x12）
包裝： 托盤
AD9548
Data Sheet
Rev. E | Page 82 of 112
Table 76. Reference Logic Family
Address
Bits
Bit Name
Description
0x0501
[7:6]
Ref BB logic family
Select the logic family for the REF BB input receiver (ignored if Bits[5:4] = 00)
00 (default) = disabled
01 = 1.2 V to 1.5 V CMOS
10 = 1.8 V to 2.5 V CMOS
11 = 3.0 V to 3.3 V CMOS
[5:4]
Ref B logic family
Select logic family for REF B input receiver.
00 (default) = differential (REFB/BB is positive/negative input)
01 = 1.2 V to 1.5 V CMOS
10 = 1.8 V to 2.5 V CMOS
11 = 3.0 V to 3.3 V CMOS
[3:2]
Ref AA logic family
The same as Register 0501, Bits[7:6] but for REF AA
[1:0]
Ref A logic family
The same as Register 0501, Bits[5:4] but for REF A
0x0502
[7:6]
Ref DD logic family
The same as Register 0501, Bits[7:6] but for REF DD
[5:4]
Ref D logic family
The same as Register 0501, Bits[5:4] but for REF D
[3:2]
Ref CC logic family
The same as Register 0501, Bits[7:6] but for REF CC
[1:0]
Ref C logic family
The same as Register 0501, Bits[5:4] but for REF C
Table 77. Manual Reference Profile Selection
Address
Bits
Bit Name
Description
0x0503
[7]
Enable Ref AA manual
profile
Select manual or automatic reference profile assignment for REF AA
0 (default) = automatic
1 = manual
[6:4]
Ref AA manual profile
Manual profile assignment
000 (default) = Profile 0
001 = Profile 1
010 = Profile 2
011 = Profile 3
100 = Profile 4
101 = Profile 5
110 = Profile 6
111 = Profile 7
[3]
Enable Ref A manual
profile
Same as Register 0503, Bit 7 but for REF A
[2:0]
Ref A manual profile
Same as Register 0503, Bits[6:4] but for REF A
0x0504
[7]
Enable Ref BB manual
profile
Same as Register 0503, Bit 7 but for REF B
[6:4]
Ref BB manual profile
Same as Register 0503, Bits[6:4] but for REF BB
[3]
Enable Ref B manual
profile
Same as Register 0503, Bit 7 but for REF B
[2:0]
Ref B manual profile
Same as Register 0503, Bits[6:4] but for REF B
0x0505
[7]
Enable Ref CC manual
profile
Same as Register 0503, Bit 7 but for REF CC
[6:4]
Ref CC manual profile
Same as Register 0503, Bits[6:4] but for REF CC
[3]
Enable Ref C manual
profile
Same as Register 050, Bit 7 but for REF C
[2:0]
Ref C manual profile
Same as Register 0503, Bits[6:4] but for REF C
0x0506
[7]
Enable Ref DD M
manual profile
Same as Register 0503, Bit 7 but for REF DD
[6:4]
Ref DD manual profile
Same as Register 0503, Bits[6:4] but for REF DD
[3]
Enable Ref D manual
profile
Same as Register 0503, Bit 7 but for REF D
[2:0]
Ref D manual profile
Same as Register 0503, Bits[6:4] but for REF D
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