TDA7546 datasheet, PDF - EEWORLD Datasheet

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TDA7546: Description1-BAND, AUDIO TUNER, QFP80; CategoryOther integrated circuit (IC) Consumption circuit; File Size811KB，68 Pages; ManufacturerSTMicroelectronics; Websitehttp://www.st.com/; Environmental Compliance

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TDA7546 Overview

1-BAND, AUDIO TUNER, QFP80

TDA7546 Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	STMicroelectronics
Parts packaging code	QFP
package instruction	LQFP, QFP80,.64SQ
Contacts	80
Reach Compliance Code	compli
ECCN code	EAR99
Built-in IF amplifier	YES
Commercial integrated circuit types	AUDIO TUNER
Maximum input frequency (RF)	108 MHz
Minimum input frequency (RF)	76 MHz
JESD-30 code	S-XQFP-G80
length	14 mm
Nominal noise index	3 dB
Number of frequency bands	1
Number of functions	1
Number of terminals	80
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	UNSPECIFIED
encapsulated code	LQFP
Encapsulate equivalent code	QFP80,.64SQ
Package shape	SQUARE
Package form	FLATPACK, LOW PROFILE
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
power supply	8.5 V
Certification status	Not Qualified
Maximum seat height	1.6 mm
Maximum slew rate	70 mA
Maximum supply voltage (Vsup)	3.6 V
Minimum supply voltage (Vsup)	3 V
surface mount	YES
Temperature level	INDUSTRIAL
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	NOT SPECIFIED
width	14 mm

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TDA7546

Multichip module for TMC tuner applications

Features

■

High-performance FM receiver

SW-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 I

C-Bus control

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 I

C-bus controlled.

LQFP80

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.

Order codes

Part number

TDA7546

TDA7546TR

Package

LQFP80

Packing

Tray

in Tape & Reel

October 2006

Rev 4

1/68

www.st.com

Contents

TDA7546

Contents

Block diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

1.1

1.2

TDA7512F . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

TDA7333N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2.1

Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Electrical specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

3.1

3.2

3.3

3.4

Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Tuner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

3.3.1

Additional parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

RDS decoder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

3.4.1

3.4.2

General interface electrical characteristics . . . . . . . . . . . . . . . . . . . . . . 18

Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Applications and test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

5.1

Tuner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

5.1.1

5.1.2

5.1.3

5.1.4

5.1.5

Mixer1, AGC and 1.IF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Mixer2, limiter and demodulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Quality detection and ISS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

PLL and IF counter section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

C-bus interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

5.2

RDS decoder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

5.2.1

5.2.2

5.2.3

5.2.4

5.2.5

5.2.6

5.2.7

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Fractional PLL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Sigma delta converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Demodulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Group and block synchronization module . . . . . . . . . . . . . . . . . . . . . . . 30

Flywheel mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

RAM buffer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

2/68

List of tables

TDA7546

List of tables

Table 1.

Table 2.

Table 3.

Table 4.

Table 5.

Table 6.

Table 7.

Table 8.

Table 9.

Table 10.

Table 11.

Table 12.

Table 13.

Table 14.

Table 15.

Table 16.

Table 17.

Table 18.

Table 19.

Table 20.

Table 21.

Table 22.

Table 23.

Table 24.

Table 25.

Table 26.

Table 27.

Table 28.

Table 29.

Table 30.

Table 31.

Table 32.

Table 33.

Table 34.

Table 35.

Table 36.

Table 37.

Table 38.

Table 39.

Table 40.

Table 41.

Table 42.

Table 43.

Table 44.

Table 45.

Table 46.

Table 47.

Table 48.

Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

General parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Tuner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Additional parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

General interface electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Address organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Control register function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Subaddress. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Addr 0 charge pump control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Addr 1 PLL counter 1 (LSB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Addr 2 PLL counter 2 (MSB). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Addr 3,4 TV1,2 (offset refered to tuning voltage PIN 28) . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Addr 5 IF counter control 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Addr 6 IF counter control 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Addr 7 not valid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Addr 8 quality ISS filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Addr 9 quality detection adjacent channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Addr 10 quality detection multipath. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Addr 11 quality deviation detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Addr 14 VCODIV/PLLREF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Addr 15 FM AGC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Addr 16 not valid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Addr 17 FM demodulator fine adjust. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Addr 18 s-meter slider . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Addr 19 IF gain/xtal adjust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Addr 20 tank adjust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Addr 21 I/Q mixer1 adjust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Addr 22 test control 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Addr 23 test control 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Addr 24 test control 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Addr25 test control 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

External pins alternate functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Registers description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

rds_int register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

rds_qu register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

rds_corrp register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

rds_bd_h register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

rds_bd_l register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

rds_bd_ctrl register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

sinc4reg register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

testreg register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

pllreg4 register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

pllreg3 register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

pllreg2 register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

pllreg1 register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

4/68

TDA7546 Related Products

	TDA7546	TDA7546TR
Description	1-BAND, AUDIO TUNER, QFP80	1-BAND, AUDIO TUNER, QFP80
Is it lead-free?	Lead free	Lead free
Is it Rohs certified?	conform to	conform to
Maker	STMicroelectronics	STMicroelectronics
Parts packaging code	QFP	QFP
package instruction	LQFP, QFP80,.64SQ	LQFP, QFP80,.64SQ
Contacts	80	80
Reach Compliance Code	compli	compli
ECCN code	EAR99	EAR99
Built-in IF amplifier	YES	YES
Commercial integrated circuit types	AUDIO TUNER	AUDIO TUNER
Maximum input frequency (RF)	108 MHz	108 MHz
Minimum input frequency (RF)	76 MHz	76 MHz
JESD-30 code	S-XQFP-G80	S-XQFP-G80
length	14 mm	14 mm
Nominal noise index	3 dB	3 dB
Number of frequency bands	1	1
Number of functions	1	1
Number of terminals	80	80
Maximum operating temperature	85 °C	85 °C
Minimum operating temperature	-40 °C	-40 °C
Package body material	UNSPECIFIED	UNSPECIFIED
encapsulated code	LQFP	LQFP
Encapsulate equivalent code	QFP80,.64SQ	QFP80,.64SQ
Package shape	SQUARE	SQUARE
Package form	FLATPACK, LOW PROFILE	FLATPACK, LOW PROFILE
Peak Reflow Temperature (Celsius)	NOT SPECIFIED	NOT SPECIFIED
power supply	8.5 V	8.5 V
Certification status	Not Qualified	Not Qualified
Maximum seat height	1.6 mm	1.6 mm
Maximum slew rate	70 mA	70 mA
Maximum supply voltage (Vsup)	3.6 V	3.6 V
Minimum supply voltage (Vsup)	3 V	3 V
surface mount	YES	YES
Temperature level	INDUSTRIAL	INDUSTRIAL
Terminal form	GULL WING	GULL WING
Terminal pitch	0.65 mm	0.65 mm
Terminal location	QUAD	QUAD
Maximum time at peak reflow temperature	NOT SPECIFIED	NOT SPECIFIED
width	14 mm	14 mm

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