TDA7561 Просмотр технического описания (PDF) - STMicroelectronics

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TDA7561

Multifunction quad power amplifier with built-in diagnostics features

STMicroelectronics 

TDA7561

Electrical specifications

Table 4.

Symbol

Electrical characteristics (continued)

Parameter

Test condition

Min. Typ. Max. Unit

Turn-on diagnostics 2 (Line driver mode)

Pgnd

Pvs

Pnop

Lsc

Lop

Lnop

Short to GND det. (below this

limit, the Output is considered in Power amplifier in standby

short circuit to GND)

Short to Vs det. (above this limit,

the output is considered in short -

circuit to VS)

Normal operation thresholds

(within these limits, the output is -

considered without faults).

Shorted load det.

-

Open load det.

-

Normal load det.

-

-

-

1.2

V

Vs -1.2 -

-

V

1.8

- Vs -1.8 V

-

-

1.5



400

-

-



4.5

-

200



Permanent diagnostics 2 (Power amplifier mode or line driver mode)

Short to GND det. (below this Power amplifier in mute or play,

Pgnd limit, the Output is considered in one or more short circuits

-

short circuit to GND)

protection activated

-

1.2

V

Pvs

Pnop

Short to Vs det. (above this limit,

the output is considered in short -

circuit to VS)

Normal operation thresholds.

(within these limits, the output is -

considered without faults)

Vs -1.2 -

-

V

1.8

- Vs -1.8 V

LSC Shorted load det.

Power amplifier mode

Line driver mode

-

-

0.5



-

-

1.5



VO Offset detection

Power amplifier in play, AC Input

signals = 0

1.5

2

2.5

V

I2C bus interface

fSCL Clock frequency

-

VIL Input low voltage

-

VIH Input high voltage

-

-

400

-

kHz

-

-

1.5

V

2.3

-

-

V

Doc ID 8326 Rev 6

9/27

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