TDA7381 datasheet(7/15 Pages) STMICROELECTRONICS

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TDA7381

Electrical specifications

Doc ID 4947 Rev 8

7/15

Figure 3.

Standard test and application circuit

THD

Distortion

Po = 4 W

0.04

0.3

eNo

Output noise

"A" Weighted

V

Bw = 20 Hz to 20 kHz

150

V

SVR

Supply voltage rejection

f = 100 Hz

fcl

Low cut-off frequency

fch

High cut-off frequency

KHz

Input impedance

100



Cross talk

f = 1KHz

ISB

St-by current consumption

St-by = LOW

100

A

VSB out

St-by out threshold voltage

(Amp: ON)

3.5

VSB IN

St-by in threshold voltage

(Amp: OFF)

1.5

Mute attenuation

VO = 1 Vrms

VM out

Mute out threshold voltage

(Amp: play)

3.5

VM in

Mute in threshold voltage

(Amp: mute)

1.5

Im (L)

Muting pin current

VMUTE = 1.5 V; (source current)

A

ICDOFF

Clipping detector "OFF"

output average current

THD = 1 % (2)

100

A

ICDON

Clipping Detector "ON"

Output Average Current

THD = 10 % (2)

100

240

350

A

Saturated square wave output.

Diagnostics output pulled-up to 5 V with 10 k

 series resistor.

Table 4.

Electrical characteristcs (continued)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

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