TDA8925ST datasheet(8/23 Pages) PHILIPS

部件名	TDA8925ST

功能描述	Power stage 2 x 15 to 25Wclass-D audio amplifier

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制造商	PHILIPS [NXP Semiconductors]

网页	http://www.nxp.com

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8 / 23 page

2004 May 06

8

Philips Semiconductors

Product speciﬁcation

Power stage 2 x 15 to 25 W class-D

audio ampliﬁer

TDA8925

12 DC CHARACTERISTICS

VP = ±15 V; Tamb =25 °C; measured in test diagram of Fig.4; unless otherwise speciﬁed.

Note

1. Temperature sensor or maximum current sensor activated.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Supply

VP

supply voltage

±7.5

±15

±30

V

Iq(tot)

total quiescent current

no load connected

−

25

45

mA

outputs ﬂoating

−

510

mA

Internal stabilizer logic supply (pin STAB)

VO(STAB)

stabilizer output voltage

referenced to VSS

11.7

13

14.3

V

Switch inputs (pins SW1 and SW2)

VIH

HIGH-level input voltage

referenced to VSS

10

−

15

V

VIL

LOW-level input voltage

referenced to VSS

0

−

2V

Control outputs (pins REL1 and REL2)

VOH

HIGH-level output voltage

referenced to VSS

10

−

15

V

VOL

LOW-level output voltage

referenced to VSS

0

−

2V

Diagnostic output (pin DIAG, open-drain)

VOL

LOW-level output voltage

IDIAG = 1 mA; note 1

0

−

1.0

V

ILO

output leakage current

no error condition

−−

50

µA

Enable inputs (pins EN1 and EN2)

VIH

HIGH-level input voltage

referenced to VSS

9

−

15

V

VIL

LOW-level input voltage

referenced to VSS

05

−

V

VEN(hys)

hysteresis voltage

−

4

−

V

II(EN)

input current

−−

300

µA

Switching-on input (pin POWERUP)

VPOWERUP

operating voltage

referenced to VSS

5

−

12

V

II(POWERUP)

input current

VPOWERUP =12V

−

100

170

µA

Temperature protection

Tdiag

temperature activating diagnostic

VDIAG =VDIAG(LOW)

150

−−°C

Thys

hysteresis on temperature

diagnostic

VDIAG =VDIAG(LOW)

−

20

−°C

Current protection

IO(ocpl)

overcurrent protection level

−

3.5

−

A

类似零件编号 - TDA8925ST

制造商	部件名	数据表	功能描述
NXP Semiconductors	TDA8920	129Kb / 16P	2 x 50 W class-D power amplifier 1998 Dec 01
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