TDA7389 datasheet(7/14 Pages) STMICROELECTRONICS

7 / 14 page

TDA7389

Electrical specifications

7/14

THD

Distortion

Po = 4W

0.04

0.10

eNo

Output noise

"A" Weighted

μV

Bw = 20Hz to 20KHz

100

μV

SVR

Supply voltage rejection

f = 100Hz; Vr = 1Vrms

fch

High cut-off frequency

Po = 0.5W

100

200

KHz

Input Impedance

100

150

Cross talk

f = 1KHz; Po = 4W

f = 10KHz; Po = 4W

ISB

St-By current consumption

VSt-By = 1.2V

μA

VSt-By = 0V

Ipin4

St-By pin current

VSt-By = 1.2 to 2.6V

±1

μA

VSB out

St-By OUT threshold voltage (Amp: ON)

2.6

VSB IN

St-By IN threshold voltage

(Amp: OFF)

1.2

Mute attenuation

POref = 4W

VM out

Mute OUT threshold voltage (Amp: Play)

2.6

VM in

Mute IN threshold voltage

(Amp: Mute)

1.2

VAM in

VS automute threshold

(Amp: Mute); Att

≥ 80dB;

POref = 4Ω

(Amp: Play); Att < 0.1dB;

PO = 0.5W

7.6

6.5

8.5

Ipin22

Muting pin current

VMUTE = 1.2V

(Source current)

511

μA

VMUTE = 2.6V

-5

-20

Clipping detector

CDLK

Clip det high leakage current CD Off

μA

CDSAT

Clip det sat voltage

DC On; ICD = 1mA

0.2

0.4

CDTHD

Clip det THD level

Pout > 16W

Saturated square wave output.

Table 4.

Electrical characteristics (continued)

(VS = 14.4V; f = 1KHz; Rg = 600Ω; RL = 4Ω; Tamb = 25°C; Refer to the test and application

diagram (Figure 14), unless otherwise specified.)

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

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