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参数资料
| 型号： | MK2771-16RTR |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 50 MHz, OTHER CLOCK GENERATOR, PDSO28 |
| 封装： | SSOP-28 |
| 文件页数： | 1/6页 |
| 文件大小： | 137K |
| 代理商： | MK2771-16RTR |
MDS 2771-16 E
1
Revision 050206
Integrat ed Circuit Systems ● 525 Race Stre et, San Jo se, CA 9 5126 ● te l (40 8 ) 2 97-12 01 ● www.ics t.co m
VCXO AND SET-TOP CLOCK SOURCE
MK2771-16
Description
The MK2771-16 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 ICS’ 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, a 13.5 MHz clock, and three 27 MHz clocks. All
clocks are frequency locked to the 27 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 QSOP
Available in RoHS 5 (green) or RoHS 6 (green and
lead free) compliant package
On-chip patented VCXO with pull range of 200 ppm
VCXO tuning voltage of 0 to 3 V
Processor frequencies include 16.66, 20, 25, 32, 40,
and 50 MHz
Audio clocks support 32 kHz, 44.1 kHz, 48 kHz, and
96 kHz sampling rates
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
ACLK
Voltage
Controlled
Crystal
Oscillator
X1
X2
13.5 MHz
pullable
crystal
27.000 MHz
PCLK
PLL Clock
Synthesis
Circuitry
13.500 MHz
CCLK2
CCLK1
VDDIO
GND
VDD5
VIN
CS1, CS0
PS1, PS0
AS2:0
3
x2
PLL
divide
by 2
2
3
2
Optional crystal capacitors.
3
6
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MK2772-01 | 制造商:ICS 制造商全称:ICS 功能描述:VCXO and Set-Top Clock Source |
| MK2772-01S | 功能描述:IC CLK SRC VCXO/SET-TOP 20-SOIC RoHS:否 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器，PLL，频率合成器 系列:- 标准包装:39 系列:- 类型:* PLL:带旁路 输入:时钟 输出:时钟 电路数:1 比率 - 输入:输出:1:10 差分 - 输入:输出:是/是 频率 - 最大:170MHz 除法器/乘法器:无/无 电源电压:2.375 V ~ 3.465 V 工作温度:0°C ~ 70°C 安装类型:* 封装/外壳:* 供应商设备封装:* 包装:* |
| MK2772-01SLF | 功能描述:时钟合成器/抖动清除器 VCXO AND SET-TOP CLOCK SOURCE RoHS:否 制造商:Skyworks Solutions, Inc. 输出端数量: 输出电平: 最大输出频率: 输入电平: 最大输入频率:6.1 GHz 电源电压-最大:3.3 V 电源电压-最小:2.7 V 封装 / 箱体:TSSOP-28 封装:Reel |
| MK2772-01SLFTR | 功能描述:时钟合成器/抖动清除器 VCXO AND SET-TOP CLOCK SOURCE RoHS:否 制造商:Skyworks Solutions, Inc. 输出端数量: 输出电平: 最大输出频率: 输入电平: 最大输入频率:6.1 GHz 电源电压-最大:3.3 V 电源电压-最小:2.7 V 封装 / 箱体:TSSOP-28 封装:Reel |
| MK2772-01STR | 功能描述:IC CLK SRC VCXO/SET-TOP 20-SOIC RoHS:否 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器，PLL，频率合成器 系列:- 标准包装:39 系列:- 类型:* PLL:带旁路 输入:时钟 输出:时钟 电路数:1 比率 - 输入:输出:1:10 差分 - 输入:输出:是/是 频率 - 最大:170MHz 除法器/乘法器:无/无 电源电压:2.375 V ~ 3.465 V 工作温度:0°C ~ 70°C 安装类型:* 封装/外壳:* 供应商设备封装:* 包装:* |
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