hbwhelp@micrel.com or (408) 955-1690 AC Electrical " />
參數(shù)資料
型號: SM802121UMG TR
廠商: Micrel Inc
文件頁數(shù): 7/10頁
文件大?。?/td> 0K
描述: IC FREQ SYNTH 156.25MHZ 24QFN
標(biāo)準(zhǔn)包裝: 1,000
系列: ClockWorks™, RotaryWave™
類型: *
PLL:
輸入: CMOS,晶體
輸出: LVPECL
電路數(shù): 1
比率 - 輸入:輸出: 2:1
差分 - 輸入:輸出: 無/是
頻率 - 最大: 156.25MHz
除法器/乘法器: 是/無
電源電壓: 2.375 V ~ 3.465 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 24-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 24-QFN(4x4)
包裝: 帶卷 (TR)
Micrel, Inc.
SM802121
January 2012
6
M9999-011212-A
hbwhelp@micrel.com or (408) 955-1690
AC Electrical Characteristics
(4, 5)
VDD = VDDO = 3.3V 5% or 2.5V 5%
VDD = 3.3V 5%, VDDO= 3.3V 5% or 2.5V 5%
TA = 40C to 85C. RL = 50 to VDDO 2V
Symbol
Parameter
Condition
Min.
Typ.
Max.
Units
FOUT
Output Frequency
156.25
MHz
FREF
Reference Input Frequency
25
MHz
TR/TF
LVPECL Output Rise/Fall Time
20%
80%
80
175
350
ps
ODC
Output Duty Cycle
48
50
52
%
TLOCK
PLL Lock Time
20
ms
Tjit()
RMS Phase Jitter
(6)
156.25MHz
Integration Range (1.875MHz
20MHz)
Integration Range (12kHz
20MHz)
110
250
fs
Spurious Noise Components
6.25MHz
75
dBc
Notes:
5.
All phase-noise measurements were taken with an Agilent 5052B phase-noise system.
6.
Measured using a 25MHz crystal as the input reference source. If using an external reference input, use a low phase noise source. With an
external reference, the phase noise will follow the input source phase noise up to about 1MHz offset.
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