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STMicroelectronics Electronic Components Datasheet

TDA7566 Datasheet

4x40W multifunction quad power amplifier

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TDA7566
4x40W multifunction quad power amplifier
with built-in diagnostics features
Features
DMOS power output
High output power capability 4x25W/4Ω @
14.4V, 1KHZ, 10% THD, 4x40W max. power
Max. output power 4x60W/2Ω
Full I2C bus driving:
– St-by
– Independent front/rear soft play/mute
– Selectable gain 26dB - 12dB
– I2C bus digital diagnostics
Full fault protection
DC offset detection
Four independent short circuit protection
Clipping detector (1%/10%)
ESD protection
Description
The TDA7566 is a new BCD technology QUAD
BRIDGE type of car radio amplifier in Flexiwatt25
package specially intended for car radio
applications.
www.DataSheet4U.com
Order codes
Flexiwatt 25
Thanks to the DMOS output stage the TDA7566
has a very low distortion allowing a clear powerful
sound.
This device is equipped with a full diagnostics
array that communicates the status of each
speaker through the I2C bus.
The possibility to control the configuration and
behaviour of the device by means of the I2C bus
makes TDA7566 a very flexible machine.
Part number
TDA7566
Package
Flexiwatt 25
Packing
Tube
December 2006
Rev 3
1/28
www.st.com
1


STMicroelectronics Electronic Components Datasheet

TDA7566 Datasheet

4x40W multifunction quad power amplifier

No Preview Available !

Contents
Contents
TDA7566
1 Block diagram and application & test circuit . . . . . . . . . . . . . . . . . . . . . 5
1.1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.2 Application and test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.4 Electrical characteristics curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4 Diagnostics functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.1 Turn-on diagnostic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.2 Permanent diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4.3 Output DC offset detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.4 AC diagnostic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.5 Multiple faults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
4.6 Faults availability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4.7 I2C Programming/reading sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
www.DataS5heet4U.com I2C Bus interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
5.1 Data Validity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
5.2 Start and Stop Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
5.3 Byte Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
5.4 Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6 Software specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
7 Examples of bytes sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
8 Package informations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
9 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
2/28


Part Number TDA7566
Description 4x40W multifunction quad power amplifier
Maker STMicroelectronics
Total Page 28 Pages
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