TDA7491P Просмотр технического описания (PDF) - STMicroelectronics

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TDA7491P

2 x 10-watt dual BTL class-D audio amplifier

STMicroelectronics 

Electrical specifications

TDA7491P

Table 5.

Symbol

Electrical specifications (continued)

Parameter

Condition

Min Typ Max Unit

SVRR Supply voltage rejection ratio

fr = 100 Hz, Vr = 1 Vpp,

CSVR = 10 µF

-

50 -

dB

Tr, Tf

Rise and fall times

-

-

40 -

ns

fSW

Switching frequency

Internal oscillator,

master mode

290 320 350 kHz

fSWR

Switching frequency range

(1)

250 -

400 kHz

VinH

Digital input high (H)

-

VinL

Digital input low (L)

2.3 -

-

-

-

V

0.8

AMUTE Mute attenuation

VMUTE = low,

VSTBY = high

-

80 -

dB

VSTBY < 0.5 V

VMUTE = X

Standby

-

Function

mode

Standby, mute and play modes

VSTBY > 2.9 V

VMUTE < 0.8 V

Mute

-

VSTBY > 2.9 V

VMUTE > 2.9 V

Play

-

1. Refer to Section 5.5: Internal and external clocks on page 32.

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Doc ID 13540 Rev 6

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