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TS4974 Datasheet(Folha de dados) 3 Page - STMicroelectronics

Nome de Peças. TS4974
descrição  1W differential audio power amplifier with up/down digital volume control pins
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Fbricantes  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
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TS4974
Absolute maximum ratings
3/25
1
Absolute maximum ratings
Table 1.
Absolute maximum ratings
Symbol
Parameter
Value
Unit
VCC
Supply voltage (1)
1.
All voltage values are measured with respect to the ground pin.
6V
Vi
Input voltage (2)
2.
The magnitude of input signal must never exceed VCC + 0.3 V / GND - 0.3 V.
GND to VCC
V
Toper
Operating free air temperature range
-40 to + 85
°C
Tstg
Storage temperature
-65 to +150
°C
Tj
Maximum junction temperature
150
°C
Rthja
Thermal resistance junction to ambient (3)
3.
Device is protected in case of over temperature by a thermal shutdown active @ 150° C.
200
°C/W
Pd
Power dissipation
Internally limited(4)
4.
Exceeding the power derating curves during a long period, may provoke abnormal operation.
ESD
Human body model
2
kV
ESD
Machine model
200
V
Latch-up
Latch-up immunity
200
mA
Lead temperature (soldering, 10sec)
260
°C
Table 2.
Operating conditions
Symbol
Parameter
Value
Unit
VCC
Supply voltage
2.5 to 5.5
V
VSTBY
Standby voltage input:
Device ON
Device OFF
1.5
≤ VSTBY ≤ VCC
GND
≤ VSTBY ≤ 0.4
V
VU/D
Volume control UP/DOWN voltage input:
UP/DOWN mode ON
UP/DOWN mode OFF
0
≤ VU/D ≤ 0.3xVCC,
0.7xVCC ≤ VU/D ≤ VCC
V
RL
Load resistor
≥ 8
Ω
TSD
Thermal shutdown temperature
150
°C
Rthja
Thermal resistance junction to ambient (1)
1.
With heat sink surface = 125 mm2.
80
°C/W




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