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TDA7564

Pnop

Normal operation thresholds.

(Within these limits, the Output is

considered without faults).

Power Amplifier in st-by

1.8

Vs -1.8

V

Lsc

Shorted Load det.

0.5

Ω

Lop

Open Load det.

85

Ω

Lnop

Normal Load det.

1.75

45

Ω

TURN ON DIAGNOSTICS 2 (Line Driver Mode)

Pgnd

Short to GND det. (below this

limit, the Output is considered in

Short Circuit to GND)

Power Amplifier in st-by

1.2

V

Pvs

Short to Vs det. (above this limit,

the Output is considered in Short

Vs -1.2

V

Pnop

Normal operation thresholds.

(Within these limits, the Output is

considered without faults).

1.8

Vs -1.8

V

Lsc

Shorted Load det.

2

Ω

Lop

Open Load det.

330

Ω

Lnop

Normal Load det.

7

180

Ω

PERMANENT DIAGNOSTICS 2 (Power Amplifier Mode or Line Driver Mode)

Pgnd

Short to GND det. (below this

limit, the Output is considered in

Short Circuit to GND)

Power Amplifier in Mute or Play,

one or more short circuits

protection activated

1.2

V

Pvs

Short to Vs det. (above this limit,

the Output is considered in Short

Vs -1.2

V

Pnop

Normal operation thresholds.

(Within these limits, the Output is

considered without faults).

1.8

Vs -1.8

V

Shorted Load Det.

Pow. Amp. mode

0.5

Ω

Line Driver mode

2

Ω

Offset Detection

Power Amplifier in play,

AC Input signals = 0

±1.5

±2

±2.5

V

Normal load current detection

500

mA

Open load current detection

250

mA

Clock Frequency

400

KHz

Input Low Voltage

1.5

V

Input High Voltage

2.3

V

ELECTRICAL CHARACTERISTICS (continued)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit