Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VSTBY

Pin STBY voltage high (H)

-

2.7

-

-

V

Pin STBY voltage low (L)

-

-

0.5

VMUTE

Pin MUTE voltage high (H)

-

2.5

-

-

V

Pin MUTE voltage low (L)

-

-

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. Application

circuit).

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

TDA7498L

Electrical characteristics

DS6539 - Rev 6

page 7/23