參數(shù)資料
型號(hào): MAX3679AETJ+
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 時(shí)鐘產(chǎn)生/分配
英文描述: 312.5 MHz, OTHER CLOCK GENERATOR, QCC32
封裝: 5 X 5 MM, ROHS COMPLIANT, TQFN-32
文件頁(yè)數(shù): 1/11頁(yè)
文件大?。?/td> 391K
代理商: MAX3679AETJ+
General Description
The MAX3679A is a low-jitter precision clock generator
with the integration of three LVPECL and one LVCMOS
outputs optimized for Ethernet applications. The device
integrates a crystal oscillator and a phase-locked loop
(PLL) clock multiplier to generate high-frequency clock
outputs for Ethernet applications.
Maxim’s proprietary PLL design features ultra-low jitter
(0.36psRMS) and excellent power-supply noise rejection,
minimizing design risk for network equipment.
Applications
Ethernet Networking Equipment
Features
Crystal Oscillator Interface: 25MHz
CMOS Input: 25MHz
Output Frequencies for Ethernet
62.5MHz, 125MHz, 156.25MHz, 312.5MHz
Low Jitter
0.14psRMS (1.875MHz to 20MHz)
0.36psRMS (12kHz to 20MHz)
Excellent Power-Supply Noise Rejection
No External Loop Filter Capacitor Required
MAX3679A
+3.3V, Low-Jitter Crystal to LVPECL
Clock Generator
________________________________________________________________
Maxim Integrated Products
1
Ordering Information
Typical Application Circuit
19-4858; Rev 0; 8/09
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
+
Denotes a lead(Pb)-free/RoHS-compliant package.
*
EP = Exposed pad.
EVALUATION
KIT
AVAILABLE
Pin Configuration appears at end of data sheet.
PART
TEMP RANGE
PIN-PACKAGE
MAX3679AETJ+
-40
°C to +85°C
32 TQFN-EP*
MAX3679A
VCCA
MR
REF_IN
IN_SEL
QA_OE
QAC_OE
QB0_OE
QB1_OE
BYPASS
SELA1
SELA0
SELB0
RES1
SELB1
RES0
QA_C
X_OUT
X_IN
GNDO_A
GND
VCC
VCCO_A
VCCO_B
VDDO_A
10.5
Ω
0.1
μF
VCC
36
Ω
Z0 = 50
Ω
ASIC
125MHz
QA
50
Ω
Z0 = 50
Ω
QA
Z0 = 50
Ω
ASIC
50
Ω
125MHz
(VCC - 2V)
QB0
50
Ω
Z0 = 50
Ω
QB0
Z0 = 50
Ω
ASIC
50
Ω
312.5MHz
(VCC - 2V)
QB1
50
Ω
Z0 = 50
Ω
QB1
Z0 = 50
Ω
ASIC
50
Ω
312.5MHz
(VCC - 2V)
10
μF
25MHz
(CL = 18pF)
33pF
27pF
0.01
μF
0.1
μF
0.1
μF
0.1
μF
0.1
μF
+3.3V
±5%
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參數(shù)描述
MAX3679AETJ+ 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 3.3V Low-Jitter Crystal to LVPECL RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56
MAX3679AETJ+T 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 3.3V Low-Jitter Crystal to LVPECL RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56
MAX3679AEVKIT+ 功能描述:時(shí)鐘和定時(shí)器開(kāi)發(fā)工具 Not Available From Mouser RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Modules 類型:Clock Conditioners 工具用于評(píng)估:LMK04100B 頻率:122.8 MHz 工作電源電壓:3.3 V
MAX3679CTJ+ 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 3.3V Low-Jitter Crystal to LVPECL RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56
MAX3679CTJ+T 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 3.3V Low-Jitter Crystal to LVPECL RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56