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TDA7476
ABSOLUTE MAXIMUM RATINGS
(*) Minimum value between V
S
+10V and 25V.
THERMAL DATA
Symbol Parameter Value Unit
V
op
Operating Supply Voltage 18 V
V
s
DC Supply Voltage 28 V
V
peak
Peak Supply Voltage t = 50ms 40 V
P
tot
Total Power Dissipation Tcase = 25°C 1.5 W
T
stg
; T‘c- Storage and Junction Temperature -40 to 150 °C
V
SB
Stand-by Pin Voltage 6 V
V
SDA
SDA Pin Voltage 6 V
V
SCL
SCL Pin Voltage 6 V
V
ADD
ADD Pin Voltage 6 V
V
CH
CH+ or CH- Pin Voltage min (*) (V
S
+10, 25)
Symbol Parameter Value Unit
R
Th j-amb
Thermal resistance junction to ambient Max. 85 °C/W
ELECTRICAL CHARACTERISTICS
(V
s
= 14.4V; T
amb
= 25°, unless otherwise specified.)
Symbol Parameter Test Condition Min. Typ. Max. Unit
V
SB
IN Stand-By IN Threshold 1.5 V
V
SB
OUT Stand-By OUT Threshold 3.5 V
I
SB
Stand-By Current Consumption Stand-By Voltage Pin = 1.5V 100 µA
I
q
Total Quiescent Current Total quiescent Current with
TDA7476 not addressed
5mA
AUDIO INPUTS CH1, CH2, CH3, CH4, CH5 - TURN ON DIAGNOSTIC
Pgnd Short to GND det. (below this
limit, the Audio Output is
considerd in Short Circuit to
GND)
Power amplifier in st-by condition 0.8 V
Pvs Short to Vs det. (above this limit,
the Audio Output is considered in
Short Circuit to Vs)
Vs-0.6 V
Pnop Normal operation thresholds.
(Within these limits, the Audio
Output is considered without
faults)
1.2 Vs-1.2 V
