TDA8922 datasheet(26/36 Pages) PHILIPS

номер детали	TDA8922

подробное описание детали	2 x 25 W class-D power amplifier

PDF	36 Pages

Scroll/Zoom	100%

производитель	PHILIPS [NXP Semiconductors]

домашняя страница	http://www.nxp.com

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26 / 36 page

2003 Mar 20

Philips Semiconductors

Objective speciﬁcation

× 25 W class-D power ampliﬁer

TDA8922

handbook, halfpage

(mA)

VDD (V)

100

MGX338

Fig.26 Quiescent current as a function of supply

voltage.

RL = ∞.

handbook, halfpage

fclk

(kHz)

VDD (V)

290

320

300

310

MGX339

Fig.27 Clock frequency as a function of supply

voltage.

RL = ∞.

handbook, halfpage

MGX346

SVRR

(dB)

−80

−100

−60

−20

−40

fi (Hz)

102

103

104

105

(2)

(1)

(3)

Fig.28 SVRR as a function of input frequency.

VP = ±20 V; Vripple = 2 V (p-p) with respect to ground.

(1) Both supply lines in phase.

(2) Both supply lines in anti-phase.

(3) One supply line rippled.

handbook, halfpage

SVRR)

(dB)

Vripple(p-p) (V)

−100

−40

−20

−80

−60

MGX347

(1)

(2)

(3)

Fig.29 SVRR as a function of Vripple(p-p).

VP = ±20 V; Vripple with respect to ground (in phase).

(1) fripple = 1 kHz.

(2) fripple = 100 Hz.

(3) fripple =10Hz.

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