TDA7719 datasheet(9/45 Pages) STMICROELECTRONICS

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TDA7719

Electrical specifications and characteristics

9/45

Electrical specifications and characteristics

3.1

Thermal data

3.2

Absolute maximum ratings

3.3

Electrical characteristics

VS = 8.5V; Tamb= 25°C; RL= 10kΩ; all gains = 0dB; f = 1kHz; unless otherwise specified

Table 3.

Thermal data

Symbol

Description

Value

Unit

Rth-j amb

Thermal resistance junction to ambient

114

°C/W

Table 4.

Absolute maximum ratings

Symbol

Parameter

Value

Unit

Operating supply voltage

10.5

Vin_max

Maximum voltage for signal input pins

Tamb

Operating ambient temperature

-40 to 85

°C

Tstg

Storage temperature range

-55 to 150

°C

Table 5.

Electrical characteristics

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

Supply

Supply voltage

7.5

8.5

Supply current

Input selector

Rin

Input resistance

All single ended inputs(1)

100

130

VCL

Clipping level

Input Gain = 0dB

1.8

VRMS

SIN

Input separation

100

Differential stereo inputs

Rin

Input resistance

Differential

100

130

CMRR1

Common mode rejection ratio

for main source

VCM=1 VRMS@ 1kHz

VCM=1 VRMS@ 10kHz

CMRR2

Common mode rejection ratio

for 2nd source

VCM=1 VRMS@ 1kHz

eNo

Output noise @ speaker

outputs

20Hz-20kHz, A-weighted;

all stages 0dB

µV

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