TDA7575BPD 查看數據表（PDF） - STMicroelectronics

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TDA7575BPD

2 x 75W multifunction dual-bridge power amplifier with integrated digital diagnostics

STMicroelectronics 

TDA7575B

Electrical specifications

Table 4.

Symbol

Electrical characteristics (continued)

(VS = 14.4V; f=1KHz; RL=4Ω; Tamb= 25°C unless otherwise specified)

Parameter

Test condition

Min. Typ. Max. Unit

Turn on diagnostics (Power amplifier mode)

Pgnd

Short to GND det. (below this

limit, the Output is considered

in Short Circuit to GND)

Power amplifier in st-by condition

Short to Vs det. (above this

Pvs limit, the Output is considered

in Short Circuit to VS)

Vs -0.9

1.2

V

V

Pnop

Normal operation

thresholds.(Within these limits,

the Output is considered

without faults).

Lsc Shorted load det.

Lop Open load det.

Lnop Normal load det.

TUrn on diagnostics (Line driver mode)

Pgnd

Short to GND det. (below this

limit, the Output is considered

in Short Circuit to GND)

Short to Vs det. (above this

Pvs limit, the Output is considered

in Short Circuit to VS)

Pnop

Normal operation

thresholds.(Within these limits,

the Output is considered

without faults).

Power amplifier in st-by

Lsc Shorted load det.

Lop Open load det.

Lnop Normal load det.

1.8

130

1.5

Vs -0.9

1.8

400

4.5

Vs -1.5 V

0.5

Ω

Ω

70

Ω

1.2

V

V

Vs -1.5 V

1.5

Ω

Ω

200

Ω

Permanent 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

condition, one or more short

circuits protection activated

Short to Vs det. (above this

Pvs limit, the Output is considered

in Short Circuit to VS)

Vs -

0.9

1.2

V

V

Pnop

Lsc

Normal operation

thresholds.(Within these limits,

the Output is considered

without faults).

Shorted load det.

Pow. amp. mode

Line driver mode

1.8

Vs -1.5 V

0.5

Ω

1.5

Ω

9/32

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