TDA7492E

Electrical specifications

DocID027638 Rev 1

9/24

3.3

Electrical specifications

Unless otherwise stated, the results in Table 5: "Electrical specifications" below are given

Tamb = 25 °C.

Table 5: Electrical specifications

Symbol

Parameter

Condition

Min.

Typ.

Max.

Unit

Supply voltage for pins

PVCCA, PVCCB, SVCC

-

7

-

26

V

Total quiescent current

Without LC, no load

-

40

mA

Quiescent current in

standby

-

-

1

-

µA

Output offset voltage

Vi = 0, Av = 20 dB,

no load

20

mV

Overcurrent protection

threshold

= 0 Ω

9

10

13

A

Junction temperature at

thermal shutdown

-

140

150

160

°C

Input resistance

Differential input

60

-

kΩ

Power transistor

on-resistance

High side

-

0.2

-

Ω

Low side

-

0.2

-

Closed-loop gain

GAIN < 0.25*Vdd

20.8

-

dB

0.25*Vdd < GAIN < 0.5*Vdd

-

26.8

-

0.5*Vdd < GAIN < 0.75*Vdd

-

30

-

GAIN1>0.75*Vdd

-

32.8

-

Gain matching

-

-

-

±1

dB

CT

Crosstalk

f = 1 kHz

-

70

-

dB

SVRR

Supply voltage rejection

ratio

fr = 100 Hz, Vr = 0.5 V,

-

60

-

dB

Rise and fall times

PWM signal 50% duty cycle

-

24

40

ns

Switching frequency

Internal oscillator with

external Rosc = 33 kΩ

-

500

-

kHz

Output switching

frequency range

With internal oscillator by

changing Rosc (1)

450

-

550

kHz

Digital input high (H)

-

2.0

-

-

V

Digital input low (L)

-

-

0.8

Function

mode

Standby, Mute, Play

STBY < 0.5 V Mute = 'X'

Standby

STBY > 2.5 V Mute < 0.8 V

Mute

STBY > 2.5 V Mute > 2.5 V

Play

Mute attenuation

60

80

-

dB

Notes:

Rosc = 33 kΩ.