TDA7494 datasheet(2/12 Pages) STMICROELECTRONICS

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ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

DC Supply Voltage

VIN

Maximum Input Voltage

Vpp

Ptot

Total Power Dissipation (Tamb = 70°C)

Tamb

Ambient Operating Temperature Range (1)

-20 to +85

°C

Tstg, Tj

Storage and Junction Temperature

-40 to 150

°C

V2, V3

Volume CTRL DC voltage

(1) Operation between -20 to 85 °C guaranteed by correlation with 0 to 70°C.

THERMAL DATA

Symbol

Parameter

Value

Unit

Rth j-case

Thermal Resistance Junction-case

Typ = 3.8

Max = 4.8

°C/W

Rth j-amb

Thermal Resistance Junction-ambient

max

°C/W

N.C.

MUTE

STAND-BY

SGN GND

SVR

IN 2

IN 1

MONITOR OUT

VOLUME CONTROL

SW CTL

IN 3

PWR GND

OUT

+VCC

N.C.

D95AU415A

PIN CONNECTION

ELECTRICAL CHARACTERISTICS (Refer to the test circuit, VS = 21V, RL = 8

Ω; Rg = 50Ω;

Tamb = 25°C; unless otherwise specified.)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

Supply Voltage Range

Total Quiescent Current

DCVOS

Output DC Offset Referred to

SVR Potential

No Input Signal

-400

400

Quiescent Output Voltage

VS = 28V

Output Power

THD = 10%; VCC = 28V, RL = 8

Ω

THD = 1%; VCC = 28V

THD = 10%; VCC = 21V,

THD = 1%; VCC = 21V,

3.5

5.5

THD = 10%; VCC = 21V, RL = 4

Ω

THD = 1%; VCC = 21V,

3.9

7.5

5.5

THD = 10%; VCC = 18V,

THD = 1%; VCC = 18V

4.5

3.5

4.5

THD = 10%; VCC = 18V, RL = 8

Ω

THD = 1%; VCC = 18V

3.5

2.5

3.75

2.85

TDA7494

2/12

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