TDA8591J 데이터 시트보기 (PDF) - Philips Electronics

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TDA8591J

4 × 44W into 4 Ω or 4 × 75W into 2 Ω quad BTL car radio power amplifier

Philips Electronics 

Philips Semiconductors

4 × 44 W into 4 Ω or 4 × 75 W into 2 Ω

quad BTL car radio power amplifier

Preliminary specification

TDA8591J

handbook, halfpage

DIAG

MUTE/ ON

STBY

amplifier

output

mute

standby

play normal

operating

MGU489

t (ms)

Pull-up resistor = 47 kΩ.

Fig.3 Diagnostic waveforms: standby, mute and

operating mode sequence.

handbook, halfpage

DIAG

normal

active

DDD

amplifier

output

MGT605

normal

t (ms)

Pull-up resistor = 47 kΩ.

Fig.4 Diagnostic waveforms: dynamic distortion

detection function.

handbook, halfpage

DIAG

amplifier

output

short-circuit

across load

MGT604

20 ms

t (ms)

andbook, halfpage

DIAG

VP

amplifier

output

GND

short to

GND

20 ms

MGU498

short to

VP

20 ms

t (ms)

Pull-up resistor = 47 kΩ.

Fig.5 Diagnostic waveforms: short-circuit across

load.

Pull-up resistor = 47 kΩ.

Fig.6 Diagnostic waveforms: short-circuit to

VP pin or GND.

2002 Jan 14

8

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