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MAX3622

Maxim Integrated Products
Part Number MAX3622
Manufacturer Maxim Integrated Products
Description Precision Clock Generator
Published May 26, 2009
Detailed Description 19-2456; Rev 0; 11/07 Low-Jitter, Precision Clock Generator with Two Outputs www.datasheet4u.com General Description ...
Datasheet PDF File MAX3622 PDF File

MAX3622
MAX3622

Overview
19-2456; Rev 0; 11/07 Low-Jitter, Precision Clock Generator with Two Outputs www.
datasheet4u.
com General Description Features ♦ Crystal Oscillator Interface: 25MHz Typical ♦ Output Frequencies: 125MHz and 156.
25MHz ♦ Low Jitter 0.
14psRMS (1.
875MHz to 20MHz) 0.
36psRMS (12kHz to 20MHz) ♦ Excellent Power-Supply Noise Rejection ♦ No External Loop Filter Capacitor Required MAX3622 The MAX3622 is a low-jitter precision clock generator optimized for networking applications.
The device integrates a crystal oscillator and a phase-locked loop (PLL) clock multiplier to generate high-frequency clock outputs for Ethernet and other networking applications.
Maxim’s proprietary PLL design features ultra-low jitter (0.
36psRMS) and excellent power-supply noise rejection, minimizing design risk for network equipment.
The MAX3622 has one LVPECL output and one LVCMOS output.
It is available in a 16-pin TSSOP package and operates over the 0°C to +70°C temperature range.
Applications Ethernet Networking Equipment PART MAX3622CUE+ Ordering Information TEMP RANGE 0°C to +70°C PINPACKAGE 16 TSSOP PKG CODE U16-2 Typical Application Circuit and Pin Configuration appear at end of data sheet.
+Denotes a lead-free package.
Block Diagram QAC_OE RESET LOGIC/POR RESET LVCMOS BUFFER MAX3622 27pF X_IN 25MHz X_OUT 33pF CRYSTAL OSCILLATOR PFD ÷5 QA_C 625MHz FILTER RESET VCO RESET RESET QB_OE LVPECL BUFFER QB QB ÷ 25 ÷4 ________________________________________________________________ Maxim Integrated Products 1 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.
Low-Jitter, Precision Clock Generator with Two Outputs MAX3622 ABSOLUTE www.
datasheet4u.
com MAXIMUM RATINGS Current into QA_C ±50mA Current into QB, QB .
.
.
.
-56mA Continuous Power Dissipation (TA = +70°C) 16-Pin TSSOP (der...


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