TDA8563 datasheet(11/20 Pages) PHILIPS

tên linh kiện	TDA8563

Giải thích chi tiết về linh kiện	2 x 40 W/2 ohm stereo BTL car radio power amplifier with diagnostic facility

PDF	20 Pages

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nhà sản xuất	PHILIPS [NXP Semiconductors]

Trang chủ	http://www.nxp.com

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11 / 20 page

1997 Feb 20

Philips Semiconductors

Product speciﬁcation

× 40 W/2 Ω stereo BTL car radio power

ampliﬁer with diagnostic facility

TDA8563AQ

Fig.7 Mode select switch circuitry.

handbook, halfpage

+VP

MODE

MGD959

BZX79C/3.9V

10 k

Ω

µF

Diagnostic output

Special care must be taken in the printed-circuit board

layout to separate pin 12 from pin 1 and pin 13, to

minimize the crosstalk between the diagnostic output and

the inputs.

Mode select switch

To avoid switch-on plops, it is advised to keep the amplifier

in the mute mode during

>100 ms (charging of the input

capacitors at pin 1 and pin 13).

The circuit in Fig.7 slowly ramps up the voltage at the

mode select switch pin when switching on and results in

fast muting when switching off.

(1) f = 10 kHz.

(2) f = 1 Hz.

(3) f = 100 Hz.

Fig.8 Total harmonic distortion as a function of output power; VP = 14.4 V; RL =2 Ω.

handbook, full pagewidth

10 2

MLB667

10 1

10 2

P (W)

10 2

THD

(%)

(1)

(2)

(3)

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