Electrical specifications

TDA7492P

8/27

DocID15068 Rev 6

3

Electrical specifications

3.1

Absolute maximum ratings

3.2

Thermal data

3.3

Electrical specifications

Unless otherwise stated, the results in Table 5 below are given for the conditions:

VCC =20V, RL (load) = 8 , ROSC = R3 = 39 k, C8 = 100 nF, f = 1 kHz, GV = 21.6 dB, and

Tamb =25 °C.

Table 3. Absolute maximum ratings

Symbol

Parameter

Value

Unit

VCCMAX

DC supply voltage for pins PVCCA, PVCCB, SVCC

30

V

VI

Voltage limits for input pins STANDBY, MUTE, INNA, INPA,

INNB, INPB, GAIN0, GAIN1

-0.3 to 3.6

V

Top

Operating temperature

-40 to 85

°C

Tj

Junction temperature

-40 to 150

°C

Tstg

Storage temperature

-40 to 150

°C

Table 4. Thermal data

Symbol

Parameter

Min

Typ

Max

Unit

Rth j-case Thermal resistance, junction to case

-

2

3

°C/W

Rth j-amb

Thermal resistance, junction to ambient

-

24 (1)

1.

FR4 with vias to copper area of 9 cm2

-°C/W

Table 5. Electrical specifications

Symbol

Parameter

Condition

Min

Typ

Max

Unit

VCC

Supply voltage for

pins PVCCA, PVCCB, SVCC

-8

-

26

V

Iq

Total quiescent

-

-

26

35

mA

IqSTBY

Quiescent current in standby

-

-

2.5

5.0

µA

VOS

Output offset voltage

Play mode

-

-

±100

mV

Mute mode

-

-

±60

mV

IOCP

Overcurrent protection threshold

RL = 0 

3.8

4.2

-

A

TjSD

Junction temperature at thermal

shutdown

--

150

-

°C

Ri

Input resistance

Differential input

48

60

-

k

