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參數(shù)資料
| 型號： | TDA7476 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO24 |
| 封裝： | SOP-24 |
| 文件頁數(shù)： | 14/19頁 |
| 文件大小： | 161K |
| 代理商： | TDA7476 |
TDA7476
4/19
Lsc
Shorted Load det. (voltage across
the Audio Outputs). Below this
limit the load is considered
shorted.
Power amplifier in st-by condition
5
mV
Lop
Open Load det. (voltage across
the Audio Outputs). Above this
limit the load is considered open.
550
mV
Lnop
Normal load det. (Voltage across
the Audio Output). Within these
limits the load resistance is
considered normal.
22
220
mV
AUX INPUTS AUX1, AUX2 - TURN ON DIAGNOSTIC
Agnd
Short to GND det. (voltage across
the sensing resistor). Above this
limit the AUX pin is considered in
Short Circuit to GND.
High side driver ON
0.85
V
Aol
Open load det. (voltage across
the sensing resistor). Below this
limit the Aux pin is considered in
Open Load condition.
0.085
V
Anop
Normal Operation det. (Voltage
across the sensing resistor).
Within these limits the load
resistance connected to the Aux
pin is considered correct.
0.125
0.5
V
AUDIO INPUTS - PERMANENT DIAGNOSTIC
Pgnd
Short to GND det. (below this
limit, the Audio Output is
considered in Short Circuit to Vs)
This condition must be true for a
time higher than Tdel
Power amplifier ON
0.8
V
Pvs
Short to Vs det. (above this limit
the Audio Output is considered in
Short Circuit to Vs) This condition
must be true for a time higher
than Tdel
Vs-0.6
V
Pnop
Normal operation thresholds.
(Within these limits, the Audio
Output is considered without
faults)
1.2
Vs-1.2
V
AUX INPUTS - PERMANENT DIAGNOSTIC
Agnd
Short to GND det. (above this
limit, the Audio Output is
considered in Short Circuit to Vs)
This condition must be true for a
time higher than Tdel
High side driver ON
0.85
V
ELECTRICAL CHARACTERISTICS (continued)
(Vs = 14.4V; Tamb = 25°, unless otherwise specified.)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
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