TDA7854 datasheet(7/12 Pages) STMICROELECTRONICS

7 / 12 page

TDA7854

Electrical specifications

7/12

Electrical specifications

3.1

Absolute maximum ratings

3.2

Electrical characteristics

Table 3.

Absolute maximum ratings

Symbol

Parameter

Value

Unit

Operating supply voltage

VS (DC)

DC supply voltage

VS (pk)

Peak supply voltage (for t = 50ms)

Output peak current

Non repetitive (t = 100

μs)

Repetitive (duty cycle 10% at f = 10Hz)

Ptot

Power dissipation Tcase = 70°C

Junction temperature

150

°C

Tstg

Storage temperature

-55 to 150

°C

Table 4.

Electrical characteristics

(Refer to the test and application diagram, VS = 14.4V; RL = 4

Ω; R

g = 600Ω; f = 1KHz;

Tamb = 25°C; unless otherwise specified).

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

Iq1

Quiescent current

RL = ∞

100

150

250

VOS

Output offset voltage

Play mode / Mute mode

-60

+60

Voltage gain

dGv

Channel gain unbalance

±1

Output power

VS = 14.4V; THD = 10%

VS = 14.4V; THD = 1%

VS = 14.4V; THD = 10%, 2Ω

VS = 14.4V; THD = 1%, 2Ω

Po max.

Max. output power(1)

VS = 15.2V; RL = 4Ω

VS = 15.2V; RL = 2Ω

THD

Distortion

Po = 4W

0.01

eNo

Output Noise

"A" Weighted

Bw = 20Hz to 20KHz

100

μV

SVR

Supply voltage rejection

f = 100Hz; Vr = 1Vrms

fch

High cut-off frequency

PO = 0.5W

100

300

KHz

Input Impedance

100

120

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