参数资料
型号: MK3722GLF
厂商: IDT, Integrated Device Technology Inc
文件页数: 1/7页
文件大小: 0K
描述: IC CLK SYNTH VCXO/PLL 16-TSSOP
标准包装: 96
类型: 压控晶体振荡器(VCXO)
PLL: 带旁路
输入: 晶体
输出: LVCMOS
电路数: 1
比率 - 输入:输出: 1:2
差分 - 输入:输出: 无/无
频率 - 最大: 27MHz
除法器/乘法器: 无/无
电源电压: 3.15 V ~ 3.45 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 16-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 16-TSSOP
包装: 管件
产品目录页面: 1254 (CN2011-ZH PDF)
其它名称: 800-1787
800-1787-5
800-1787-ND
DATASHEET
VCXO PLUS AUDIO CLOCK FOR STB
MK3722
IDT VCXO PLUS AUDIO CLOCK FOR STB
1
MK3722
REV G 051310
Description
The MK3722 is a low cost, low jitter, high performance
VCXO and PLL clock synthesizer designed to replace
expensive discrete VCXOs and multipliers. 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. Using IDT’s analog/digital Phase-Locked Loop
(PLL) techniques, the device uses an inexpensive 27 MHz
pullable crystal input to produce a reference output and a
selectable audio clock.
IDT manufactures the largest variety of VCXO based timing
devices for all applications. Consult IDT to eliminate
VCXOs, crystals, and oscillators from your board.
The frequency of the on-chip VCXO is adjusted by an
external control voltage connected to VIN. Because VIN is
a high impedance input, it can be driven directly from an
PWM RC integrator circuit.
Features
Packaged in 16-pin TSSOP
Pb (lead) free package
Replaces a VCXO and oscillator
Operating voltage of 3.3V
Provides output of 27 MHz plus audio clock
Uses an inexpensive 27 MHz pullable crystal
On-chip patented VCXO with pull range of 230 ppm
(minimum)
VCXO tuning voltage of 0 to 3.3 V
Advanced, low power, sub-micron CMOS process
Block Diagram
X1
X2
Voltage
Controlled
Crystal
Oscillator
VIN
27 MHz
Pullable
Crystal
PLL/Clock
Synthesis
Circuitry
ACLK
27MHz
S2:S0
VDD
GND
3
PDTS
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