TDA8922J datasheet(22/36 Pages) PHILIPS

Part #	TDA8922J

Description	2 x 25 W class-D power amplifier

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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22 / 36 page

2003 Mar 20

22

Philips Semiconductors

Objective speciﬁcation

2

× 25 W class-D power ampliﬁer

TDA8922

16.12 Curves measured in reference design

The curves illustrated in Figs 20 and 21 are measured with

a specified load impedance. Spread in ZL (e.g. due to the

frequency characteristics of the loudspeaker) can trigger

the maximum current protection circuit; see Section 16.6.

The curves illustrated in Figs 30 and 31 show the effects

of supply pumping when only one single-ended channel is

driven with a low frequency signal; see Section 16.7.

handbook, halfpage

MGX324

Po (W)

10−2

10−1

110

102

THD

+ N

(%)

102

10

1

10−1

10−2

10−3

(1)

(2)

(3)

Fig.12 THD + N as a function of output power.

2

× 8 Ω SE; VP = ±20 V.

(1) 10 kHz.

(2) 1 kHz.

(3) 100 Hz.

handbook, halfpage

MGX327

fi (Hz)

10

102

103

104

105

THD

+ N

(%)

102

10

1

10−1

10−2

10−3

(1)

(2)

Fig.13 THD + N as a function of input frequency.

2

× 8 Ω SE; VP = ±20 V.

(1) Po =10W.

(2) Po =1W.

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TDA8922J Datasheet(PDF) 22 Page - NXP Semiconductors

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