TDA7498L View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

TDA7498L

80 watt + 80 watt dual BTL class-D audio amplifier

STMicroelectronics 

Electrical specifications

TDA7498L

Table 6.

Symbol

Electrical specifications (continued)

Parameter

Condition

Min Typ Max Unit

fSW

fSWR

Switching frequency

Output switching frequency

Range

Internal oscillator

290 310 330 kHz

With internal oscillator (1) 250 -

With external oscillator (2) 250 -

400

kHz

400

VinH

Digital input high (H)

-

VinL

Digital input low (L)

Pin STBY voltage high (H)

VSTBY

-

Pin STBY voltage low (L)

2.3 -

-

-

2.7 -

-

-

-

V

0.8

-

V

0.5

Pin MUTE voltage high (H)

VMUTE

-

Pin MUTE voltage low (L)

2.5 -

-

-

-

V

0.8

AMUTE Mute attenuation

VMUTE < 0.8 V

-

70 -

dB

1. fSW = 106 / ((16 * ROSC + 182) * 4) kHz, fSYNCLK = 2 * fSW with R3 = 39 kΩ (see Figure 20.).

2. fSW = fSYNCLK / 2 with the external oscillator.

10/27

Doc ID 16504 Rev 3

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