3

Electrical specifications

3.1

Absolute maximum ratings

Table 2. Absolute maximum ratings

Symbol

Parameter

Value

Unit

VCC

DC supply voltage for pins PVCCA, PVCCB, SVCC

45

V

VI

Voltage limits for input pins STBY, MUTE, INNA,

INPA, INNB, INPB, GAIN, MODE

-0.3 to 4.0

V

Tj

Operating junction temperature

0 to 150

°C

Top

Operating ambient temperature

0 to 70

°C

Tstg

Storage temperature

-40 to 150

°C

3.2

Thermal data

Table 3. Thermal data

Symbol

Parameter

Min.

Typ.

Max.

Unit

Rth j-case

Thermal resistance, junction to case

-

3.0

°C/W

3.3

Recommended operating conditions

Table 4. Recommended operating conditions

Symbol

Parameter

Min

Typ

Max

Unit

VCC

Supply voltage for pins PVCCA, PVCCB, SVCC

14

-

39

V

Tamb

Ambient operating temperature

0

-

70

°C

3.4

Electrical specifications

Unless otherwise stated, the values in the table below are specified for the conditions: VCC = 36 V, RL = 4 Ω,

ROSC = R3 = 39 kΩ, C8 = 100 nF, f = 1 kHz, GV = 23.6 dB Tamb = 25 °C.

Table 5. Electrical specifications

Symbol

Parameter

Condition

Min.

Typ.

Max.

Unit

Iq

Total quiescent current

No LC filter, no load

-

60

mA

IqSTBY

Quiescent current in standby

-

-

1

µA

VOS

Output offset voltage

Vi = 0, Av = 23.6 dB, no load

-20

-

20

mV

IOCP

Overcurrent protection threshold

RL = 0 Ω

10

11

14

A

Tj

Junction temperature at thermal

shutdown

-

140

150

160

°C

Ri

Input resistance

Differential input

69

-

kΩ

VUVP

Undervoltage protection threshold

-

-

-

8

V

RdsON

Power transistor on-resistance

High side

-

0.15

-

Ω

TDA7498E

Electrical specifications

DS8807 - Rev 4

page 5/17