TDA8926 datasheet(21/32 Pages) PHILIPS

21 / 32 page

2002 Oct 10

Philips Semiconductors

Preliminary speciﬁcation

Power stage 2

× 50 W class-D audio

ampliﬁer

TDA8926

handbook, halfpage

102

10−1

10−3

10−2

MGU860

10−2

10−1

Po (W)

THD

(%)

102

103

(1)

(2)

(3)

Fig.13 Total harmonic distortion plus noise as a

function of output power.

× 8 Ω BTL; VP = ±21 V.

(1) 10 kHz.

(2) 1 kHz.

(3) 100 Hz.

handbook, halfpage

MLD632

102

103

104

105

102

10−1

10−3

10−2

fi (Hz)

THD

(%)

(1)

(2)

Fig.14 Total harmonic distortion plus noise as a

function of input frequency.

× 8 Ω BTL; VP = ±21 V.

(1) Po =10W.

(2) Po =1W.

handbook, halfpage

MGU855

10−2

10−1

(2)

Po (W)

(W)

102

103

(1)

(3)

Fig.15 Power dissipation as a function of output

power.

VP = ±21 V; fi = 1 kHz.

(1) 2

× 4 Ω SE.

(2) 1

× 8 Ω BTL.

(3) 2

× 8 Ω SE.

handbook, halfpage

(3)

(1)

(2)

100

(%)

Po (W)

MGU856

Fig.16 Efficiency as a function of output power.

VP = ±21 V; fi = 1 kHz.

(1) 2

× 4 Ω SE.

(2) 1

× 8 Ω BTL.

(3) 2

× 8 Ω SE.

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