TDA7801PD datasheet(15/48 Pages) STMICROELECTRONICS

номер детали	TDA7801PD

подробное описание детали	Digital input quad power amplifier with built-in diagnostics features

PDF	48 Pages

Scroll/Zoom	100%

производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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15 / 48 page

DocID022674 Rev 4

15/48

TDA7801

Electrical specifications

NGT

Noise gating time

Fs = 44100 Hz

EIN2

Output noise voltage

GV=GV1

GV=GV2

GV=GV3

GV=GV4

Bw=20 Hz to 20 kHz, un

weighted, noise gating off,

No input signal

44.2

31.2

µV

Turn on diagnostics speaker mode

Pgnd

Short to GND det. (below this

limit, the output is considered

in short circuit to GND)

Pvs

Short to Vs det. (above this

limit, the output is considered

in short circuit to VS)

-Vs – 1

Pnop

Normal operation thresholds.

(Within these limits, the

output is considered without

faults).

-2

Vs – 2

Lsc

Shorted load det.

0.5



Lop

Normal load det.

1.65



Lnop

Open load det.



Max diagnostic time

Input sampling frequency

Fs = 44100 Hz

190

Turn on diagnostics booster mode

Pgnd

Short to GND det. (below this

limit, the output is considered

in short circuit to GND)

Pvs

Short to Vs det. (above this

limit, the output is considered

in short circuit to Vs)

-Vs – 1

Pnop

Normal operation thresholds.

(Within these limits, the

output is considered without

faults).

-2

Vs – 2

Lsc

Shorted load det.



Lop

Normal load det.

0.065



Lnop

Open load det.

3.5



AC-diagnostic

IACTRESH

AC diagnostic current

threshold

IB4 – D6= ‘0’

250

375

500

IB4 – D6= ‘1’

125

187

250

Table 6. Electrical characteristics (continued)

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

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