參數(shù)資料
型號: MK2771-15RLF
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 1/7頁
文件大小: 0K
描述: IC CLK SRC VCXO/SET-TOP 28-QSOP
標準包裝: 48
類型: 時鐘合成器,VCXO
PLL:
輸入: 晶體
輸出: CMOS
電路數(shù): 1
比率 - 輸入:輸出: 1:8
差分 - 輸入:輸出: 無/無
頻率 - 最大: 100MHz
除法器/乘法器: 是/無
電源電壓: 4.75 V ~ 5.25 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 28-SSOP(0.154",3.90mm 寬)
供應商設備封裝: 28-QSOP
包裝: 管件
DATASHEET
VCXO AND SET-TOP CLOCK SOURCE
MK2771-15
IDT VCXO AND SET-TOP CLOCK SOURCE
1
MK2771-15
REV H 051310
Description
The MK2771-15 is a low-cost, low-jitter, high-performance
VCXO and clock synthesizer designed for set-top boxes.
The on-chip Voltage Controlled Crystal Oscillator accepts a
0 to 3 V input voltage to cause the output clocks to vary by
±100 ppm. Using IDT’s patented VCXO and analog
Phase-Locked Loop (PLL) techniques, the device uses an
inexpensive 13.5 MHz pullable crystal input to produce
multiple output clocks including two selectable processor
clocks, a selectable audio clock, two communications
clocks, and three fixed clocks. All clocks are frequency
locked to the 27.00 MHz output (and to each other) with zero
ppm error, so any output can be used as the VCXO output.
Features
Packaged in 28 pin SSOP
Pb-free package
Ideal for systems using Oak’s MPEG decoders
On-chip patented VCXO with pull range of 200 ppm
VCXO tuning voltage of 0 to 3 V
Processor frequencies include 33.3, 40, 50, 66.6, 81, and
100 MHz
Audio clocks of 8.192 MHz, 11.2896 MHz, 12.288 MHz
and 18.432 MHz
Zero ppm synthesis error in all clocks (all exactly track 27
MHz VCXO)
Uses an inexpensive 13.5 MHz pullable crystal
Full CMOS output swings with 25 mA output drive
capability at TTL levels
Advanced, low-power, sub-micron CMOS process
5 V operating voltage with 3.3 V capable I/O
Block Diagram
Processor Clocks
Voltage
Controlled
Crystal
Oscillator
X1
X2
13.5 MHz
pullable crystal
27.000 MHz
Audio Clock
Clock
Synthesis
Circuitry
13.500 MHz
54.00 MHz
Comm. Clocks
VDDIO
GND
VDD
VIN
SC
ACS1:0
PCS2:0
2
divide
by 2
divide
by 2
2
3
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相關代理商/技術參數(shù)
參數(shù)描述
MK2771-15RLFTR 功能描述:時鐘合成器/抖動清除器 VCXO AND SET-TOP CLOCK SOURCE RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel
MK2771-15RTR 功能描述:IC CLK SRC VCXO/SET-TOP 28-QSOP RoHS:否 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發(fā)生器,PLL,頻率合成器 系列:- 標準包裝:39 系列:- 類型:* PLL:帶旁路 輸入:時鐘 輸出:時鐘 電路數(shù):1 比率 - 輸入:輸出:1:10 差分 - 輸入:輸出:是/是 頻率 - 最大:170MHz 除法器/乘法器:無/無 電源電壓:2.375 V ~ 3.465 V 工作溫度:0°C ~ 70°C 安裝類型:* 封裝/外殼:* 供應商設備封裝:* 包裝:*
MK2771-16 制造商:ICS 制造商全稱:ICS 功能描述:VCXO and Set-Top Clock Source
MK2771-16R 功能描述:IC CLK SRC VCXO/SET-TOP 28-QSOP RoHS:否 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發(fā)生器,PLL,頻率合成器 系列:- 標準包裝:39 系列:- 類型:* PLL:帶旁路 輸入:時鐘 輸出:時鐘 電路數(shù):1 比率 - 輸入:輸出:1:10 差分 - 輸入:輸出:是/是 頻率 - 最大:170MHz 除法器/乘法器:無/無 電源電壓:2.375 V ~ 3.465 V 工作溫度:0°C ~ 70°C 安裝類型:* 封裝/外殼:* 供應商設備封裝:* 包裝:*
MK2771-16RLF 功能描述:時鐘合成器/抖動清除器 VCXO AND SET-TOP CLOCK SOURCE RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel