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TDA7492P

25-watt + 25-watt dual BTL class-D audio amplifier

STMicroelectronics 

Electrical specifications

3

Electrical specifications

TDA7492P

3.1

Absolute maximum ratings

Table 3. Absolute maximum ratings

Symbol

Parameter

Value

VCCMAX

VI

DC supply voltage for pins PVCCA, PVCCB, SVCC

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

INNB, INPB, GAIN0, GAIN1

30

-0.3 to 3.6

Top

Operating temperature

Tj

Junction temperature

Tstg

Storage temperature

-40 to 85

-40 to 150

-40 to 150

Unit

V

V

°C

°C

°C

3.2

Thermal data

Table 4. Thermal data

Symbol

Parameter

Rth j-case Thermal resistance, junction to case

Rth j-amb Thermal resistance, junction to ambient

1. FR4 with vias to copper area of 9 cm2

Min Typ Max Unit

-

2

3

°C/W

-

24 (1) -

°C/W

3.3

Electrical specifications

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

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

Tamb = 25 °C.

Table 5.

Symbol

Electrical specifications

Parameter

Condition

VCC

Iq

IqSTBY

VOS

IOCP

TjSD

Ri

Supply voltage for

pins PVCCA, PVCCB, SVCC

-

Total quiescent

-

Quiescent current in standby -

Output offset voltage

Play mode

Mute mode

Overcurrent protection threshold RL = 0 Ω

Junction temperature at thermal

shutdown

-

Input resistance

Differential input

Min Typ Max Unit

8

-

26 V

-

26 35 mA

-

2.5 5.0 µA

-

-

±100 mV

-

-

±60 mV

3.8 4.2 -

A

-

150 -

°C

48 60 -

kΩ

8/26

Doc ID 15068 Rev 5

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