900,000+ datasheet pdf search and download

Datasheet4U offers most rated semiconductors data sheet pdf




STMicroelectronics Electronic Components Datasheet

TDA7546 Datasheet

Multichip module

No Preview Available !

TDA7546
Multichip module for TMC tuner applications
Features
High-performance FM receiver
www.DataSheet4U.comSW-Controlled world tuning
Variable bandwidth IF filter (ISS, intelligent
selectivity system)
Programmable quality detectors
High-speed PLL for RDS operation
Full electronic alignment
High-performance fully digital RDS/RBDS
demodulator
Integrated group and block synchronization
Error detection and correction
Full I2C-Bus control
Description
The TDA7546 multichip module combines in a
single compact (14X14mm) 80-pin package the
functionalities of a state-of-the-art FM receiver
and RDS processor, exploiting one single
10.25MHz crystal reference.
LQFP80
The following two devices are included
TDA7512F, high performance car-radio FM
tuner with high-speed on-chip PLL and
variable-bandwidth IF filter (ISS)
TDA7333N, fully digital RDS data decoder
with with on-chip group and block
synchronization and error
detection/correction.
Both chips are I2C-bus controlled.
Order codes
Part number
TDA7546
TDA7546TR
Package
LQFP80
LQFP80
Packing
Tray
in Tape & Reel
October 2006
Rev 4
1/68
www.st.com
1


STMicroelectronics Electronic Components Datasheet

TDA7546 Datasheet

Multichip module

No Preview Available !

Contents
Contents
TDA7546
1
2
www.DataSheet4U.com
3
4
5
Block diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.1 TDA7512F . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.2 TDA7333N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.1 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Electrical specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.3 Tuner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.3.1 Additional parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.4 RDS decoder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.4.1 General interface electrical characteristics . . . . . . . . . . . . . . . . . . . . . . 18
3.4.2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Applications and test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
5.1 Tuner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
5.1.1 Mixer1, AGC and 1.IF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
5.1.2
5.1.3
Mixer2, limiter and demodulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Quality detection and ISS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
5.1.4
5.1.5
PLL and IF counter section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
I2C-bus interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
5.2 RDS decoder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
5.2.1
5.2.2
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Fractional PLL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
5.2.3
5.2.4
Sigma delta converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Demodulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
5.2.5 Group and block synchronization module . . . . . . . . . . . . . . . . . . . . . . . 30
5.2.6
5.2.7
Flywheel mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
RAM buffer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
2/68


Part Number TDA7546
Description Multichip module
Maker STMicroelectronics
PDF Download

TDA7546 Datasheet PDF






Similar Datasheet

1 TDA7540B AM/FM Car Radio Tuner IC
STMicroelectronics
2 TDA7540N AM/FM car radio tuner IC
STMicroelectronics
3 TDA7541 AM/FM Car Radio Tuner IC
STMicroelectronics
4 TDA7541B AM/FM Tuners
ST Microelectronics
5 TDA7546 Multichip module
STMicroelectronics





Part Number Start With

0    1    2    3    4    5    6    7    8    9    A    B    C    D    E    F    G    H    I    J    K    L    M    N    O    P    Q    R    S    T    U    V    W    X    Y    Z

Site map

Webmaste! click here

Contact us

Buy Components

Privacy Policy