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STA381BW Folha de dados(PDF) 21 Page - STMicroelectronics

Nome de Peças STA381BW
Descrição Electrónicos  Sound Terminal® 2.1-channel high-efficiency digital audio system
PDF  171 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA381BW Folha de dados(HTML) 21 Page - STMicroelectronics

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STA381BW
Electrical specifications
Doc ID 018835 Rev 7
21/171
3
Electrical specifications
3.1
Absolute maximum ratings
Warning:
Stresses beyond those listed in Table 3 above may cause
permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any
other conditions beyond those indicated under
“Recommended operating conditions” are not implied.
Exposure to absolute-maximum-rated conditions for
extended periods may affect device reliability. In the real
application, power supplies with nominal values rated within
the recommended operating conditions may rise beyond the
maximum operating conditions for a short time when no or
very low current is sunk (amplifier in mute state). In this case
the reliability of the device is guaranteed, provided that the
absolute maximum ratings are not exceeded.
3.2
Thermal data
Table 3.
Absolute maximum ratings
Symbol
Parameter
Min
Typ
Max
Unit
Vcc
Power supply voltage (VCCxA, VCCxB)
-0.3
30
V
VDD_DIG
Digital supply voltage
-0.3
4
V
VDD3V3
VDD3V3CHP
Charge pump and analog path LDO supply
-0.3
4
V
Top
Operating junction temperature
0
150
°C
Tstg
Storage temperature
-40
150
°C
RLine
Load impedance - line driver mode
1
k
Ω
RHp
Load impedance - headphone driver mode
16
Ω
RBtl
Load impedance - power output-BTL mode
5
Ω
Table 4.
Thermal data
Symbol
Parameter
Min
Typ
Max
Unit
Rth j-case
Thermal resistance junction-case (thermal pad)
1.5
°C/W
Tth-sdj
Thermal shutdown junction temperature
150
°C
Tth-w
Thermal warning temperature
130
°C
Tth-sdh
Thermal shutdown hysteresis
20
°C



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