Philips TDA8591J Datasheet page 8

Philips Semiconductors
4 × 44 W into 4 Ω or 4 × 75 W into 2 Ω
quad BTL car radio power amplifier
handbook, halfpage
DIAG
mute
MUTE/ON
STBY
standby
amplifier
output
Pull-up resistor = 47 kΩ.
Fig.3 Diagnostic waveforms: standby, mute and
operating mode sequence.
handbook, halfpage
DIAG
amplifier
output
Pull-up resistor = 47 kΩ.
Fig.5 Diagnostic waveforms: short-circuit across
load.
2002 Jan 14
MGU489
play normal
operating
t (ms)
MGT604
short-circuit
across load
20 ms
t (ms)
handbook, halfpage
normal
DIAG
amplifier
output
Pull-up resistor = 47 kΩ.
Fig.4 Diagnostic waveforms: dynamic distortion
detection function.
andbook, halfpage
short to
DIAG
V P
amplifier
output
GND
Pull-up resistor = 47 kΩ.
Fig.6 Diagnostic waveforms: short-circuit to
V pin or GND.
P
8
Preliminary specification
TDA8591J
active
DDD
normal
MGU498
short to
GND V P
20 ms
20 ms
t (ms)
MGT605
t (ms)