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PDF TDA7515 Data sheet ( Hoja de datos )
| Número de pieza | TDA7515 | |
| Descripción | RF-FRONTEND FOR AM/FM-DSP-CARRADIOS WITH IF SAMPLING | |
| Fabricantes | ST Microelectronics | |
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TDA7515
RF-FRONTEND FOR AM/FM-DSP-CARRADIOS
WITH IF SAMPLING
PRODUCT PREVIEW
s RF AGC generation by RF and IF detection
s I/Q Mixer for FM IF 10.7MHz with image
rejection and programmable IF tank adjust for
FM and AM
s Preamplifier and mixer for IF 10.7MHz AM
upconversion
s VCO and programmable divider for “world
receiver”
s Programmable controlled IF-gain stage
TQFP44
ORDERING NUMBER: TDA7515
Additional features:
s High performance fast PLL for RDS-system
s Electronic alignment for the preselection stages
s All functions bus-controlled
DESCRIPTION
The frontend is a high performance tuner circuit for
1 BLOCK DIAGRAM
AM/FM - DSP carradios with 10.7MHz - IF sampling.
It contains mixer and IF amplifiers for AM and FM,
VCO and PLL synthesizer on a single chip.
Use of BICMOS technology allows the implementa-
tion of several tuning functions and a minimum of ex-
ternal components.
optional
AGC
2
ADJ
2
2
IF 10.7MHz
FM
PM
AM
PM
2
IQ
AGC
2
TV1 TV2
AGC
DAGC
Bus
Interface
2
Supply
DIV :1/:2/:3
1/4 1/6
1/8 1/10 VCO
PLL
LPOUT LPAM LPFM LPHC
REFDIV
Fref
18/100kHz
00AT0037
July 2002
This is preliminary information on a new product now in development. Details are subject to change without notice.
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1 page  
TDA7515
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences
of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted
by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject
to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not
authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics.
The ST logo is a registered trademark of STMicroelectronics
© 2002 STMicroelectronics - All Rights Reserved
STMicroelectronics GROUP OF COMPANIES
Australia - Brazil - Canada - China - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan -Malaysia - Malta - Morocco -
Singapore - Spain - Sweden - Switzerland - United Kingdom - United States.
http://www.st.com
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| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet TDA7515.PDF ] | |
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