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參數(shù)資料
| 型號： | MK3720DLF |
| 廠商： | IDT, Integrated Device Technology Inc |
| 文件頁數(shù)： | 1/6頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC VCXO DTV/SET-TOP 8-SOIC |
| 標(biāo)準(zhǔn)包裝： | 97 |
| 類型： | 壓控晶體振蕩器（VCXO） |
| PLL： | 帶旁路 |
| 輸入： | 晶體 |
| 輸出： | CMOS |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 2:3 |
| 差分 - 輸入:輸出： | 無/無 |
| 頻率 - 最大： | 54MHz |
| 除法器/乘法器： | 無/無 |
| 電源電壓： | 3.15 V ~ 3.45 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SOIC |
| 包裝： | 管件 |
DATASHEET
27 MHZ AND 54 MHZ 3.3 VOLT VCXO
CONFIDENTIAL
MK3720
IDT / ICS 27 MHZ AND 54 MHZ 3.3 VOLT VCXO
1
MK3720
REV I 061705
CONFIDENTIAL (DELETE IF NOT NEEDED)
Description
The MK3720D is a drop-in replacement for the MK3720S
and MK3720A devices. Compared to these earlier devices
the MK3720D offers a wider operating frequency range and
improved power supply noise rejection.
The MK3720 is a low-cost, low-jitter, high-performance 3.3
Volt VCXO designed to replace expensive 13.5, 27, or 54
MHz VCXOs. 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 ±100 ppm. Using ICS’
patented VCXO and analog/digital Phase-Locked Loop
(PLL) techniques, the device uses an inexpensive external
pullable crystal input to produce output clocks of 13.5 MHz,
27 MHz, and 54 MHz.
The MK3720D exhibits a moderate VCXO gain of 120
ppm/V typical, when used with a high-quality external
pullable quartz crystal.
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
MK3720D is a drop-in upgrade to the earlier MK3720S
and MK3720A devices
Packaged in 8-pin SOIC
Available in Pb (lead) free package
Operating voltage of 3.3 V (±5%)
Output clocks of 54, 27, and 13.5 MHz
Uses an inexpensive 13.500 MHz external crystal
On-chip VCXO (patented) with pull range of 200 ppm
(minimum)
VCXO tuning voltage of 0 to 3.3 V
12 mA output drive capability at TTL levels
Advanced, low-power, sub-micron CMOS process
MK3720D is Recommended for New Designs
Block Diagram
27 M H z
X1
X2
V o ltage
C o n tro lle d
Cry s ta l
O s c illa to r
VIN
1 3 .5 M H z
Pu lla b le
Cry s ta l
PL L /C lo c k
S y n thes is
Circ u itry
54 M H z
1 3 .5 M H z
VD D
GN D
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MK3720DLFTR | 功能描述:時鐘合成器/抖動清除器 27MHZ AND 54MHZ 3.3V VCXO 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 |
| MK3720DTR | 功能描述:時鐘合成器/抖動清除器 27MHZ AND 54MHZ 3.3V VCXO 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 |
| MK3720S | 制造商:ICS 制造商全稱:ICS 功能描述:27 MHz and 54 MHz 3.3 Volt VCXO |
| MK3720STR | 制造商:ICS 制造商全稱:ICS 功能描述:27 MHz and 54 MHz 3.3 Volt VCXO |
| MK3721 | 制造商:ICS 制造商全稱:ICS 功能描述:Low Cost 3.3 Volt VCXO |
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