LX1710-1 Microsemi Corporation, LX1710-1 Datasheet - Page 5

• Manufacturer Part Number: LX1710-1
• Description: EVALUATION KIT
• Manufacturer: Microsemi Corporation

LXE1710 E
The LXE1710 Evaluation Board is a fully functional,
Class-D Amplifier.
voltage (VDD from either a battery or power supply),
speakers, and your audio source is all that is required
to begin evaluating the amplifier and listening to music.
The following outlines the necessary connections and
control jumpers.
Copyright
Rev. 1.1, 2000-12-01
1) Verify contents of Evaluation Kit: The easy-to-
2) Power and Ground Connections: The voltage
3) Speaker Connection: The amplifier is designed

 
use amplifier is all contained on a single board.
Visually inspect to see if the board or any
components were damaged during shipping.
All components are located on the top side of
the PCB except for the decoupling capacitor,
C17. A copy of the LX1710/1711 Datasheet
should also be enclosed or a PDF version can
be
website
(http://www.microsemi.com/datasheets/MSC1580.PDF).
supply and ground connections are made
through terminal block TB1. Connect your “+”
(+7V to +15V) power supply or battery to the
+V input of TB1.
battery ground to the GND input of TB1.
Please ensure the correct positive and ground
connections are made before turning on the
power supply.
“+” and “-“ to the +OUT and –OUT input of
terminal block TB2 respectively. The amplifier
J2 Jumper:
J1 Jumper:
SLEEP/
MUTE
downloaded
2000
Jumper Settings
VALUATION
Connection to a single supply
Audio Input
(SLEEP/ is
Jumper
(MUTE is
toward
Amplifier
enabled
enabled
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
OFF
OFF)
OFF)
from
Connect your supply or
the
(MUTE is ON)
Audio Input
(SLEEP/ is
B
Jumper
toward
Amplifier
disabled
disabled
OARD
ON
ON)
Microsemi.com
Linfinity Microelectronics Division
Q
(SLEEP/ is
Audio Input
Jumper
floating
(MUTE is
Amplifier
disabled
enabled
UICK
OFF)
ON)
Microsemi
S
TART
To Power Supply +V
7V-15V for LX1710
7V-25V for LX1711
To Power Supply
Ground
Optional
Audio In -
G
Optional
Audio In +
8) Listen to AudioMAX: If the amplifier is not
4) Audio Input Connection: Connect your audio
5) Jumper Selection Controls: The “on/off” or
6) Power Source: If a power supply is being used,
7) Audio Source: Make sure the audio source
To Audio
Source
UIDE
operating properly, verify preceding steps or
contact Linfinity for technical assistance (714)
898-8121.
can be used to drive other speaker loads but
frequency response may not be optimal. See
LC filter design section for recommended
inductor and capacitor modifications.
source to the RCA Jack CN1, Audio In. For
other type interfaces, the audio input signal can
also be connected to the amplifier board using
the J3 (In- and In+) location. Strip Line Plugs
can be inserted into J3 for connectivity.
enable to the module is controlled with the
SLEEP/ signal.
SLEEP/ to “on” or “ off”. SLEEP/ is an active
Low control.
control which enables/disables the audio input
to the amplifier. MUTE is an active High signal.
See table below.
make sure it is set to the correct voltage level
and turn the power supply on.
signal is set to a minimum level. Start or “play”
audio source and adjust source volume to
desired level.
Jumper J2 connects the MUTE
To Speaker +
Jumper J1 connects the
U
SER
To Speaker -
G
UIDE
Page 5