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参数资料
| 型号： | MAX3679AETJ+ |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 312.5 MHz, OTHER CLOCK GENERATOR, QCC32 |
| 封装： | 5 X 5 MM, ROHS COMPLIANT, TQFN-32 |
| 文件页数： | 1/11页 |
| 文件大小： | 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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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX3679AETJ+ | 功能描述:时钟发生器及支持产品 3.3V Low-Jitter Crystal to LVPECL RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56 |
| MAX3679AETJ+T | 功能描述:时钟发生器及支持产品 3.3V Low-Jitter Crystal to LVPECL RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56 |
| MAX3679AEVKIT+ | 功能描述:时钟和定时器开发工具 Not Available From Mouser RoHS:否 制造商:Texas Instruments 产品:Evaluation Modules 类型:Clock Conditioners 工具用于评估:LMK04100B 频率:122.8 MHz 工作电源电压:3.3 V |
| MAX3679CTJ+ | 功能描述:时钟发生器及支持产品 3.3V Low-Jitter Crystal to LVPECL RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56 |
| MAX3679CTJ+T | 功能描述:时钟发生器及支持产品 3.3V Low-Jitter Crystal to LVPECL RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56 |
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