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参数资料
| 型号： | MK3727J |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 36 MHz, OTHER CLOCK GENERATOR, PDSO8 |
| 封装： | 0.150 INCH, SOIC-8 |
| 文件页数： | 1/6页 |
| 文件大小： | 128K |
| 代理商： | MK3727J |
MDS 3727H C
1
Revision 902304
Integ rate d C i rcuit S y stems
525 Race Street, S an Jose, CA 9512 6
te l (408) 297-1201
www.i cst . com
LOW DRIVE 3.3 VOLT VCXO
MK3727H
Description
The MK3727H and MK3727J are low drive, low cost,
single output 3.3 Volt VCXO and PLL clock
synthesizers designed to replace expensive VCXOs
and crystals. The patented on-chip Voltage Controlled
Crystal Oscillator accepts a 0 to 3.3 V input voltage to
cause the output clocks to vary by ±115 ppm minimum.
Using our analog Phase Locked Loop (PLL)
techniques, the devices uses an external, fundamental
mode 13.5 MHz pullable crystal input to produce output
clocks of 27 MHz. The drive parameters are optimized
for low EMI.
The frequency of the on-chip VCXO is adjusted by an
external control voltage input into pin VIN. Because
VIN is a high-impedance input, it can be driven directly
from an PWM RC integrator circuit.
Features
Packaged in 8-pin SOIC
MK3727J has improved linearity and pull-curve
compared to the MK3727H
Operating voltage of 3.3 V (±5%)
Single pullable output clock of 24 to 36 MHz
Uses a fundamental mode 12 to 18 MHz pullable
crystal
On-chip patented VCXO with pull range of 230 ppm
(minimum)
VCXO tuning voltage of 0 to 3.3 V
Low-drive output stage to reduce EMI
Advanced, low-power, sub-micron CMOS process
The MK3727J is recommended for all new
designs.
Block Diagram
24 to 36 MHz
X1
X2
Voltage
Controlled
Crystal
Oscillator
VIN
12 to 18 MHz
Pullable Crystal
Frequency
Clock
Doubler
VDD
GND
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MK3727S | 制造商:ICS 制造商全称:ICS 功能描述:LOW COST 24 - 36 MHZ 3.3 VOLT VCXO |
| MK3727SLF | 制造商:Integrated Device Technology Inc 功能描述:IDT MK3727SLF PHASED LOCKED LOOP (PLL) - Rail/Tube 制造商:Integrated Device Technology Inc 功能描述:IDT MK3727SLF Phased Locked Loop (PLL) |
| MK3727STR | 制造商:INT_CIR_SYS 功能描述: |
| MK3732-05S | 制造商:MICROCLOCK 功能描述: 制造商:MICROCLOCK 功能描述:108 MHz, OTHER CLOCK GENERATOR, PDSO16 |
| MK3732-07 | 制造商:ICS 制造商全称:ICS 功能描述:ADSL VCXO CLOCK SOURCE |
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