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TDA4445 Folha de dados(PDF) 1 Page - STMicroelectronics

Nome de Peças TDA4445
Descrição Electrónicos  SOUND IF AMPLIFIER
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA4445 Folha de dados(HTML) 1 Page - STMicroelectronics

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TDA4445A
TDA4445B
SOUND IF AMPLIFIER
December 1992
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IF INPUT
NOT TO BE CONNECTED
IF AGC TIME CONSTANT
NOT TO BE CONNECTED
REFERENCE L.C. NETWORK
REFERENCE L.C. NETWORK
NOT TO BE CONNECTED
SUPPLY VOLTAGE
FM MODULATED SOUND OUTPUT
GROUND
IF INPUT
NOT TO BE CONNECTED
NOT TO BE CONNECTED
NOT TO BE CONNECTED
NOT TO BE CONNE CTED FOR TDA4445A
AVE RAGING CAP ACITOR FOR TDA4445B
NOT TO BE CONNE CTED FOR TDA4445A
A.F. SOUND OUTPU T FOR TDA4445B
PIN CONNECTIONS
DIP16
(Plastic Package)
ORDER CODE : TDA4445A - TDA4445B
.
QUADRATURE INTERCARRIER DEMODU-
LATOR
.
VERY HIGH INPUT SENSITIVITY
.
GOOD SIGNAL TO NOISE RATIO
.
FAST AVERAGING AGC
.
IF AMPLIFIER CAN BE SWITCHED OFF FOR
VTR MODE
.
GOOD AM SUPPRESSION
.
OUTPUT
SIGNAL
STABILIZED
AGAINST
SUPPLY VOLTAGE VARIATIONS
.
VERY FEW EXTERNAL COMPONENTS
DESCRIPTION
TDA4445A :
Sound IF amplifier, with FM processing for quasi
parallel sound system.
TDA4445B :
Sound IF amplifier, with FM processing and AM
demodulator, for multi-standard sound TV appli-
ances.
TDA4445B additionnal :
Bistandard applications (B/G and L)
No adjustment of the AM demodulator
Low AM distortion
1/6


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