tda4350x Infineon Technologies Corporation, tda4350x Datasheet

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tda4350x

Manufacturer Part Number
tda4350x
Description
Audioprocessor
Manufacturer
Infineon Technologies Corporation
Datasheet
Audioprocessor
1
1.1
Stereo-Soundprocessing
• Three stereo AF inputs, one of the inputs is
• Input level control for individual level setting of the
• Volume control with software controlled switchable loudness function. Frequency
• Bass- and treble control with clipping detector.
• Four independent settable output attenuators for balance/fader function.
• Fan-out of the AF outputs software controlled.
• AF outputs switchable for driving bride power amplifiers.
• I
Control Part
• I
• Control of sound processing
• Read out of the clipping detector status.
Type
TDA 4350X
1.2
The TDA 4350X is a single-chip audio-soundsystem. The circuit can be partitioned into
two functional blocks: stereo-soundprocessing and control part.
Semiconductor Group
equipped with floating ground.
several AF sources in addition with a clipping
detector.
response fixed by external components.
immediately mute via extra pin.
2
2
C Bus controlled immediately, or zero cross detector dependent mute, or
C Bus interface
Overview
Features
Application
Ordering Code
Q67000-A5060
1
Package
P-DSO-28-1
P-DSO-28-1
TDA 4350X
04.96

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tda4350x Summary of contents

Page 1

Audioprocessor 1 Overview 1.1 Features Stereo-Soundprocessing • Three stereo AF inputs, one of the inputs is equipped with floating ground. • Input level control for individual level setting of the several AF sources in addition with a clipping detector. • ...

Page 2

Pin Configuration (top view) Figure 1 Semiconductor Group P-DSO-28-1 2 TDA 4350X 04.96 ...

Page 3

Pin Definitions and Functions Pin No. Function 1 CD input right 2 Input 2 right 3 Input 3 right 4 Loudness output right 5 Loudness input right 6 Digital ground 7 Mute ...

Page 4

Functional Block Diagram Figure 2 Block Diagram Semiconductor Group 4 TDA 4350X 04.96 ...

Page 5

Circuit Description 2.1 Signalprocessing 1. The selection of the AF inputs happens in the input switch. There are three stereo-inputs available. One of the input pairs is equipped with a separate floating ground connection especially provided for external signal ...

Page 6

Figure 4 Figure 5 Semiconductor Group Loudness function starting at vol. a then continuously increasing. Loudness function starting at max. vol. increasing to , following constant . 6 TDA 4350X 04.96 ...

Page 7

Figure the following signalpath there is tone control, consisting of bass and treble control. Bass control offers a control range – with a stepwidth of 2 dB. Frequency characteristic, 1st ...

Page 8

Controlpart All functions are controlled via an I The telegram structure is built as follows: Startcondition – chipaddress – any number of databytes – stopcondition. For the databytes the following conditions must be fulfilled: Before transmitting a databyte a ...

Page 9

Control Bytes a) Switch Control Byte MSB ZCM IM IN-CD = ‘0’ IN-CD = ‘1’ IN-2 = ‘0’ IN-2 = ‘1’ IN-3 = ‘0’ IN-3 = ‘1’ input is selected, mute function is active protection ...

Page 10

Volume Level Control Byte MSB Min. gain X Min. gain + 1 X Max. gain – Max. gain X d) Loudness Control Byte MSB Min. gain X Ld Min. gain + Max. gain – ...

Page 11

Treble/Bass Control Byte MSB linear 1 max. treble, 0 lin. bass min. treble, 1 lin. bass lin. treble, 1 max. bass lin. treble, 1 min. bass max. treble, 0 max. bass min. treble, 1 min. bass power ON 0 ...

Page 12

Talkmode MSB CI1 CI2 CI1 = ‘0’ Normal operation CI1 = ‘1’ Input level control output at clipping level ‘0’ Normal operation CL2 = ‘1’ Tone control output at clipping level ZCS = ‘0’ All AF ...

Page 13

Figure 8 AF Outputs Pin 13/14/15/16 Figure 9 Mute Pin Bus SCL Pin 8 2 Semiconductor Group 13 TDA 4350X 04.96 ...

Page 14

Figure Bus SDA Pin 9 2 Figure 11 Corner Frequency Treble Pin 11/12 Semiconductor Group 14 TDA 4350X 04.96 ...

Page 15

Figure 12 Loudness Pin 4/5/23/24 Figure 13 RC Network Bass Pin 17/18/19/20 Semiconductor Group 15 TDA 4350X 04.96 ...

Page 16

Figure 14 Bias for AF Operation Point Pin 22 Semiconductor Group 16 TDA 4350X 04.96 ...

Page 17

Electrical Characteristics 3.1 Absolute Maximum Ratings T = – Parameter Supply voltage Max. DC voltage Max. DC voltage Max. DC voltage Max. DC voltage Max. DC voltage Max. DC voltage Max. DC voltage ...

Page 18

Absolute Maximum Ratings (cont’ – Parameter Junction temperature Storage temperature Thermal resistance ESD voltage, HBM ESD voltage, AF outputs Note: Maximum ratings are absolute ratings; exceeding only one of these values ...

Page 19

AC/DC Characteristics = Parameter Symbol Current consumption I 10 Signal Section Gain G 13-1 Gain G 14-1 Analogous values are apply for feeding in on pins 2 and 3. Gain ...

Page 20

AC/DC Characteristics (cont’ Parameter Symbol Volume Control Max. gain G 13-1 G 14-1 G 15-28 G 16-28 Min. gain G 13-1 G 14-1 G 15-28 G 16-28 Tracking error ...

Page 21

AC/DC Characteristics (cont’ Parameter Symbol Output Control Max. gain G 13-1 G 14-1 G 15-28 G 16-28 Min. gain G 13-1 G 14-1 G 15-28 G 16-28 Stepwidth G ...

Page 22

AC/DC Characteristics (cont’ Parameter Symbol Bass Control Bass boost G 13-1 G 14-1 G 15-28 G 16-28 Bass cut G 13-1 G 14-1 G 15-28 G 16-28 Bass stepwidth ...

Page 23

AC/DC Characteristics (cont’ Parameter Symbol Channel separation G 14-15 G 13-16 Analogous values apply for feeding on pins and 26. Crosstalk a in use/out interf. attenuation ...

Page 24

AC/DC Characteristics (cont’ Parameter Symbol Analog values apply for feeding in on pins and 26. Distortion THD 13 THD 14 THD 15 THD 16 Distortion THD ...

Page 25

AC/DC Characteristics (cont’ Parameter Symbol Analog values apply for measuring on pins 14, 15 and 16. DC jump 1 bit jump 1 bit V 13 PSRR ...

Page 26

AC/DC Characteristics (cont’ Parameter Symbol 2 C Bus (SCL, SDA) I SCL, SDA Edges Rise time t R Fall time t F Shift Register Clock Pulse SCL Frequency f ...

Page 27

AC/DC Characteristics (cont’ Parameter Symbol Output SDA (open collector) Output voltage Note: The listed characteristics are ensured over the operating range of the integrated circuit. ...

Page 28

Figure 15 Test Circuit Semiconductor Group 28 TDA 4350X 04.96 ...

Page 29

Application Circuit 1 Figure 16 Bass Loudness Circuitry and Bass Control Resonance Characteristic Semiconductor Group 29 TDA 4350X 04.96 ...

Page 30

Application Circuit 2 Figure 17 Bass/Treble Loudness Circuitry and 1. Order Bass Control Characteristic Semiconductor Group 30 TDA 4350X 04.96 ...

Page 31

Diagram Figure 18 C Bus Timing I 2 Semiconductor Group 31 TDA 4350X 04.96 ...

Page 32

Package Outlines P-DSO-28-1 (Plastic Dual Small Outline Package) Sorts of Packing Package outlines for tubes, trays etc. are contained in our Data Book “Package Information”. SMD = Surface Mounted Device Semiconductor Group 32 TDA 4350X Dimensions in mm 04.96 ...

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