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LX1792 Datasheet(PDF) 1 Page - Microsemi Corporation

Part No. LX1792
Description  Low Voltage, Low Power, AudioMite Class-D Audio Amplifier
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Maker  MICROSEMI [Microsemi Corporation]
Homepage  http://www.microsemi.com
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LX1792 Datasheet(HTML) 1 Page - Microsemi Corporation

   
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PRELIMINARY SPECIFICATION
Microsemi
INTEGRATED PRODUCTS
5973 Avenida Encinas, Suite 101, Carlsbad 92008, Fax (760) 431-0541
Page 1
Copyright
 2001
Rev. 0.3,2002-05-08
LX1792
Low Voltage, Low Power, AudioMite™
Class-D Audio Amplifier
INTEGRA T ED
P R OD UCT S
DESCRI PTION
DESCRI PTION
DESCRI PTION
DESCRI PTION
The MSC-LX1792 offers a patent
pending, low voltage, low power, and
high efficiency amplifier for driving a
high impedance speaker such as a hearing
aid receiver.
The core of the amplifier is built upon
Microsemi’s patented LX1790 class D
amplifier.
The LX1790 consists of a preamplifier
followed by a fixed gain class D amplifier.
The
input
resistor
and
feedback
resistor is external in the LX1792 making
it possible to set the gain arbitrarily, up to
approximately 40dB.
The feedback
resistor can also be potentiometer to
facilitate volume control.
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
KEY FEATU R ES
KEY FEATU R ES
KEY FEATU R ES
KEY FEATU R ES
! Low Operating Current: 120µA
Typical
! Low Operating Voltage: 0.9V
minimum
! Gain set by external resistors
! 3 Output Switch Resistance
Settings: 48, 24 & 16
! 5uVrms input referred noise.
APP L ICAT IONS
APP L ICAT IONS
APP L ICAT IONS
APP L ICAT IONS
! Hearing Aid applications
! High impedance speaker
/Transducer applications
PRODUCT H I GHL IG HT
PRODUCT H I GHL IG HT
PRODUCT H I GHL IG HT
PRODUCT H I GHL IG HT
SPEAKER
D
IN
CLOCK
PRE AMP
CMP
HBRIDGE
ΣΣΣΣ
PACKAGE OR DER I N FO
PACKAGE OR DER I N FO
PACKAGE OR DER I N FO
PACKAGE OR DER I N FO
TJ (
°°°°C)
J
Ceramic Dip
14-Pin
LM
Plastic MLPM
8-Pin
DU
Plastic MSOP
8-Pin
BD
Bare Die
10 to 55
LX1792CJ
LX1792CLM
LX1792CDU
LX1792BD


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