TDA8922 datasheet(13/36 Pages) PHILIPS

tên linh kiện	TDA8922

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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13 / 36 page

2003 Mar 20

Philips Semiconductors

Objective speciﬁcation

× 25 W class-D power ampliﬁer

TDA8922

handbook, full pagewidth

STBY

MUTE

5.5

MBL467

VMODE (V)

4.2

3.0

2.2

0.8

Fig.7 Behaviour of mode selection pin MODE.

13 SWITCHING CHARACTERISTICS

VDD = ±25 V; Tamb =25 °C; measured in Fig.10; unless otherwise speciﬁed.

Note

1. Frequency set with ROSC according to the formula in Section 8.2.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Internal oscillator

fosc

typical internal oscillator

frequency

ROSC = 30.0 kΩ

290

317

344

kHz

fosc(int)

internal oscillator

frequency range

note 1

210

−

600

kHz

External oscillator or frequency tracking

VOSC

voltage on pin OSC

SGND + 4.5

SGND + 5

SGND + 6

VOSC(trip)

trip level for tracking on

pin OSC

−

SGND + 2.5

−

ftrack

frequency range for

tracking

210

−

600

kHz

VP(OSC)(ext)

minimum symmetrical

supply voltage for external

oscillator application

−−

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