TDA7562 Просмотр технического описания (PDF) - STMicroelectronics

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TDA7562

MULTIFUNCTION QUAD POWER AMPLIFIER WITH BUILT-IN DIAGNOSTICS FEATURES

STMicroelectronics 

TDA7562

ELECTRICAL CHARACTERISTICS (continued)

Symbol

IMU

CDLK

CDSAT

CDTHD

Parameter

St-By/Mute pin Current

Clip Det High Leakage Current

Clip Det Sat. Voltage

Clip detect THD level

Test Condition

VSTBY/MUTE = 8.5V

VSTBY/MUTE < 1.5V

CD off

CD on; ICD = 1mA

D0 (IB1) = 1

D0 (IB1) = 0

Min. Typ. Max. Unit

20

40

µA

0

10

µA

0

15

µA

300

mV

5

10

15

%

1

2

3

%

DIAGNOSTICS (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 Circuit to VS)

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.

Pow. Amp. mode

0.5

Ω

Line Driver mode

1.5

Ω

VO

Offset Detection

±1.5

±2

±2.5

V

I2C BUS INTERFACE

fSCL

Clock Frequency

400

KHz

VIL

Input Low Voltage

1.5

V

VIH

Input High Voltage

2.3

V

5/17

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