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TDA7476 датащи(PDF) 3 Page - STMicroelectronics

номер детали TDA7476
подробное описание детали  CAR RADIO DIAGNOSTIC PROCESSOR
PDF  19 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7476 датащи(HTML) 3 Page - STMicroelectronics

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TDA7476
ABSOLUTE MAXIMUM RATINGS
(*) Minimum value between VS+10V and 25V.
THERMAL DATA
Symbol
Parameter
Value
Unit
Vop
Operating Supply Voltage
18
V
Vs
DC Supply Voltage
28
V
Vpeak
Peak Supply Voltage t = 50ms
40
V
Ptot
Total Power Dissipation Tcase = 25°C
1.5
W
Tstg; T‘c-
Storage and Junction Temperature
-40 to 150
°C
VSB
Stand-by Pin Voltage
6
V
VSDA
SDA Pin Voltage
6
V
VSCL
SCL Pin Voltage
6
V
VADD
ADD Pin Voltage
6
V
VCH
CH+ or CH- Pin Voltage
min (*) (VS +10, 25)
Symbol
Parameter
Value
Unit
RTh j-amb
Thermal resistance junction to ambient
Max.
85
°C/W
ELECTRICAL CHARACTERISTICS
(Vs = 14.4V; Tamb = 25°, unless otherwise specified.)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
VSBIN
Stand-By IN Threshold
1.5
V
VSBOUT Stand-By OUT Threshold
3.5
V
ISB
Stand-By Current Consumption
Stand-By Voltage Pin = 1.5V
100
µA
Iq
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



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