TDA8922TH datasheet(24/36 Pages) PHILIPS

tên linh kiện	TDA8922TH

Giải thích chi tiết về linh kiện	2 x 25 W class-D power amplifier

PDF	36 Pages

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nhà sản xuất	PHILIPS [NXP Semiconductors]

Trang chủ	http://www.nxp.com

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24 / 36 page

2003 Mar 20

Philips Semiconductors

Objective speciﬁcation

× 25 W class-D power ampliﬁer

TDA8922

handbook, halfpage

MGX332

Pdiss

(W)

(1)

(2)

(3)

Po (W)

10−2

10−1

110

102

Fig.18 Power dissipation as a function of output

power.

fi = 1 kHz.

(1) 2

× 4 Ω SE, VP = ±15 V.

(2) 2

× 8 Ω SE, VP = ±20 V.

(3) 1

× 8 Ω BTL, VP = ±15 V.

handbook, halfpage

(%)

060

100

Po (W)

100

MGX333

(1)

(2)

(3)

Fig.19 Efficiency as a function of output power.

fi = 1 kHz.

(1) 2

× 8 Ω SE, VP = ±20 V.

(2) 2

× 4 Ω SE, VP = ±15 V.

(3) 1

× 8 Ω BTL, VP = ±15 V.

handbook, halfpage

(W)

VDD (V)

100

MGX336

(1)

(2)

(3)

Fig.20 Output power as a function of supply

voltage.

THD+N= 0.5%; fi = 1 kHz.

(1) 1

× 8 Ω BTL.

(2) 2

× 4 Ω SE.

(3) 2

× 8 Ω SE.

handbook, halfpage

(W)

VDD (V)

100

MGX337

(1)

(2)

(3)

Fig.21 Output power as a function of supply

voltage.

THD + N = 10%; fi = 1 kHz.

(1) 1

× 8 Ω BTL.

(2) 2

× 4 Ω SE.

(3) 2

× 8 Ω SE.

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