TDA7418 datasheet(19/29 Pages) STMICROELECTRONICS

No de pièce	TDA7418

Description	3 Band car audio procesor

PDF	29 Pages

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Fabricant	STMICROELECTRONICS [STMicroelectronics]

Site Internet	http://www.st.com

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19 / 29 page

TDA7418

Description of the audioprocessor

19/29

4.11

MUX output

It provides a mono signal output (before tone filters) at mute/mux pin, used for external level

meter / spectrum analyzer.

The mute pin can be configured as MUX output (I2C Byte13_D7D1). When it is configured

as MUX output, the output voltage is (InGainL+InGainR)/2 with -3dB attenuation.

Figure 18.

Mux output configuration

4.12

Audioprocessor testing

In the test mode, which can be activated by setting bit D7 of the IIC subaddress byte and bit

D0 of the testing audioprocessor byte, several internal signals are available at the SE2R pin.

In this mode, the input resistance of 100kOhm is disconnected from the pin. Internal signals

available for testing are listed in the data-byte specification.

InGainL

InGainR

MUTE/MUX = (InGainL+InGainR)/2 * (-3dB)

AC00059

TDA7418 Fiches technique(PDF) 19 Page - STMicroelectronics