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LXE1710 E
VALUATION
Copyright © 2000
Rev. 1.1, 2000-12-01
Downloaded from
Elcodis.com
electronic components distributor
B
OARD
A
M I C R O S E M I
Linfinity Microelectronics Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
C O M P A N Y
Microsemi
U
G
SER
UIDE
Page 1
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Summary of Contents for Microsemi Linfinity LX1710
- Page 1 M I C R O S E M I C O M P A N Y Copyright © 2000 Microsemi Page 1 Rev. 1.1, 2000-12-01 Linfinity Microelectronics Division 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 Downloaded from Elcodis.com...
- Page 2 Thank you again for your interest in the new “quieter”, high efficiency Class-D Audio Amplifier from Linfinity Microsemi. Please let us know what you think and stay tuned for future product releases to our AudioMAX family of products.
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Page 3: Table Of Contents
PCB Layout ...............................15 Board Layout ..............................16 Printed Circuit Board ...........................17 Bill of Materials ..............................18 Copyright © 2000 Microsemi Page 3 Rev. 1.1, 2000-12-01 Linfinity Microelectronics Division 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 Downloaded from Elcodis.com electronic components distributor... -
Page 4: Input Compensation
The first group is the compensation network and control setting components. These resistors and Copyright © 2000 Microsemi Page 4 Rev. 1.1, 2000-12-01 Linfinity Microelectronics Division 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 Downloaded from Elcodis.com... -
Page 5: Quick Start Guide
SLEEP/ to “on” or “ off”. SLEEP/ is an active should also be enclosed or a PDF version can Low control. Jumper J2 connects the MUTE downloaded from Microsemi.com control which enables/disables the audio input website to the amplifier. MUTE is an active High signal. (http://www.microsemi.com/datasheets/MSC1580.PDF). See table below. -
Page 6: Application Schematic
FA O U T S TA TU S R 2 10K – Evaluation Board Schematic Copyright © 2000 Microsemi Page 6 Rev. 1.1, 2000-12-01 Linfinity Microelectronics Division 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 Downloaded from Elcodis.com... -
Page 7: Electrical Characteristics
Signal-To-Noise Ratio =15V, V RIPPLE Power Supply Rejection Ratio PSRR 10Hz to 10kHz Copyright © 2000 Microsemi Page 7 Rev. 1.1, 2000-12-01 Linfinity Microelectronics Division 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 Downloaded from Elcodis.com electronic components distributor... -
Page 8: Performance Graphs
100m 200m 500m 10 20 Frequency (Hz) Output Power (W ) =15V =15V =1kHz Copyright © 2000 Microsemi Page 8 Rev. 1.1, 2000-12-01 Linfinity Microelectronics Division 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 Downloaded from Elcodis.com electronic components distributor... -
Page 9: Application Information
2-stage filter, output. The output filter designed into the LXE1710 Copyright © 2000 Microsemi Page 9 Rev. 1.1, 2000-12-01 Linfinity Microelectronics Division 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 Downloaded from Elcodis.com... - Page 10 LX1710 attenuation of the signal. A Q value of 0.707 provides evaluation board Copyright © 2000 Microsemi Page 10 Rev. 1.1, 2000-12-01 Linfinity Microelectronics Division 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 Downloaded from Elcodis.com...
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Page 11: Mosfet Selection
Manufacturer Fairchild Fairchild Siliconix Siliconix Rectifier Rectifier MOSFET Component Options Copyright © 2000 Microsemi Page 11 Rev. 1.1, 2000-12-01 Linfinity Microelectronics Division 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 Downloaded from Elcodis.com electronic components distributor... -
Page 12: Inductor Selection
2.520MHz 2.50 12.0 Coilcraft DO5022P-153HC 15.0 100kHz Inductor Component Options Copyright © 2000 Microsemi Page 12 Rev. 1.1, 2000-12-01 Linfinity Microelectronics Division 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 Downloaded from Elcodis.com electronic components distributor... -
Page 13: Capacitor Selection
Audio input filter The RC filter minimizes high frequency noise to the amplifier. Capacitor Description Copyright © 2000 Microsemi Page 13 Rev. 1.1, 2000-12-01 Linfinity Microelectronics Division 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 Downloaded from Elcodis.com... -
Page 14: Gate Resistor
PWM ramp voltage master unit. proportional to the supply voltage, both the ramp peak Copyright © 2000 Microsemi Page 14 Rev. 1.1, 2000-12-01 Linfinity Microelectronics Division 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 Downloaded from Elcodis.com... -
Page 15: Pcb Layout
IC as possible. The power to the controller IC should be routed using separate traces that do not carry high current pulses Copyright © 2000 Microsemi Page 15 Rev. 1.1, 2000-12-01 Linfinity Microelectronics Division 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 Downloaded from Elcodis.com... -
Page 16: Board Layout
Silkscreen Layer TB2: Audio Output Terminal Block J1: Sleep Jumper J2: Mute Jumper + OUT, - OUT Copyright © 2000 Microsemi Page 16 Rev. 1.1, 2000-12-01 Linfinity Microelectronics Division 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 Downloaded from Elcodis.com... -
Page 17: Printed Circuit Board
LXE1710 E VALUATION OARD UIDE RINTED IRCUIT OARD Bottom Layer Top Layer Copyright © 2000 Microsemi Page 17 Rev. 1.1, 2000-12-01 Linfinity Microelectronics Division 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 Downloaded from Elcodis.com electronic components distributor... -
Page 18: Bill Of Materials
Resistor, 15 Ohm 5% 1W 2512 % ! MCR100JZHJ150 Resistor, Low Value Flat .0374 LR2010-01-R0374-F 2512 Copyright © 2000 Microsemi Page 18 Rev. 1.1, 2000-12-01 Linfinity Microelectronics Division 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 Downloaded from Elcodis.com electronic components distributor...
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