TDA7515(2002) データシートの表示（PDF） - STMicroelectronics

部品番号

コンポーネント説明

メーカー

TDA7515
(Rev.:2002)

RF-FRONTEND FOR AM/FM-DSP-CARRADIOS WITH IF SAMPLING

STMicroelectronics 

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

I

Q

AGC

2

TV1 TV2

AGC

DAGC

Bus

2

Interface

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

1/5

This is preliminary information on a new product now in development. Details are subject to change without notice.

Share Link: