TDA7808 datasheet(1/39 Pages) STMICROELECTRONICS

部件名	TDA7808

功能描述	High efficiency digital input automotive quad power amplifier, start stop compatible

PDF	39 Pages

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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1 / 39 page

This is information on a product in full production.

January 2019

DS12230 Rev 4

1/39

TDA7808

High efficiency digital input automotive quad power amplifier, ’start

stop’ compatible

Datasheet

- production data

Features

 AEC-Q100 qualified

 24-bit digital processing

 115 dB dynamic range (A-weighted)

 SB-I (SB - improved) high efficiency operation

the highest ’non - class D’ efficiency

 High output power capability:

– 4 x 27 W 4

Ω@ 14.4 V, 1 kHz, THD = 10%

 Flexible mode control:

– Full I2C bus driving 1.8 V/3.3 V) with four

addresses selectable (only for PowerSO36

package option)

– Independent front/rear play/ mute

– Selectable digital gains for very-low noise

line-out function

 Start-stop compatibility (operation down to 6 V)

 Sample rates: 44.1 kHz, 48 kHz, 96 kHz, 192 kHz

 Flexible serial data port (1.8 V / 3.3 V):

–I2S standard, TDM 4Ch, TDM 8Ch, TDM

16ch (8+8ch)

 Offset detector

 Independent front/rear clipping detector

 CMOS compatible enable pin

 Thermal protection

 Pop free in mute to play transitions and viceversa

Description

TDA7808 is a single chip quad bridge amplifier in

advanced BCD technology integrating: a full D/A

converter, digital input for direct connection to I2S

(or TDM) and powerful MOSFET output stages.

The integrated D/A converter allows the

performance to reach an outstanding 115 dB S/N

ratio with more than 110 dB of dynamic range.

Moreover TDA7808 integrates an innovative high

efficiency concept, optimized also for

uncorrelated music signals. The device is

designed to be compatible to battery modulation

for class-G systems.

Thanks to this concept, the dissipated output

power under average listening conditions can be

reduced up to 50% when compared to the

conventional class AB solutions.

TDA7808 integrates also a programmable PLL

that is able to lock at the input frequencies of

64*Fs for all the input configurations.

TDA7808 is able to play music down to 6 V supply

voltage - so it is compatible with the so called

'start stop' battery profile recently adopted by car

makers (thus reducing the fuel consumption and

the impact over the environment).

Table 1. Device summary

Flexiwatt27

(Vertical)

PowerSO-36

(Slug up)

Order code

Package

Packing

TDA7808-ZSX

PowerSO36

(Slug up)

Tube

TDA7808-ZST

Tape & reel

TDA7808-48X

Flexiwatt27

(Vertical)

Tube

www.st.com

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