LXE1710 E
VALUATION
B
OARD
U
SER
G
UIDE
Microsemi
Linfinity Microelectronics Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 3
Copyright
2000
Rev. 1.1, 2000-12-01
T
ABLE OF
C
ONTENTS
LX1710 / 1710 AudioMAX Evaluation Board Features and Circuit Description
.............................4
Input Compensation
Output Stage
Filter Stage
Quick Start Guide
............................................................................................................................................5
Application Schematic
...................................................................................................................................6
Electrical Characteristics
..............................................................................................................................7
Performance Graphs
......................................................................................................................................8
Application Information
Filter Design Tradeoffs (1-Stage vs. 2-Stage).............................................................................................9
LC Filter Design...........................................................................................................................................9
MOSFET Selection....................................................................................................................................10
Inductor Selection......................................................................................................................................12
Capacitor Selection ...................................................................................................................................13
Gate Resistor ............................................................................................................................................14
Oscillator Configuration.............................................................................................................................14
Multi Channel Requirements and Frequency Synchronization..................................................................14
PCB Layout ...............................................................................................................................................15
Board Layout
..................................................................................................................................................16
Printed Circuit Board
...................................................................................................................................17
Bill of Materials
..............................................................................................................................................18