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STA381BWTR Fiches technique(PDF) 23 Page - STMicroelectronics

No de pièce STA381BWTR
Description  Sound Terminal® 2.1-channel high-efficiency digital audio system
PDF  174 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA381BWTR Fiches technique(HTML) 23 Page - STMicroelectronics

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STA381BW
Electrical specifications
3.3
Recommended operating conditions
Table 5. Recommended operating conditions
3.4
Electrical specifications for the digital section
The specifications given in this section are valid for the operating conditions:
VDD_DIG = 3.3 V, Tamb = 25 °C.
Symbol
Parameter
Min
Typ
Max
Unit
Vcc
Power supply voltage (VCCxA, VCCxB)
4.5
26
V
VDD_DIG
Digital supply voltage
2.7
3.3
3.6
V
VDD3V3
VDD3V3CHP
Charge pump and analog path LDO supply
2.7
3.3
3.6
V
Tamb
Ambient temperature
0
70
°C
RLine
Load impedance - line driver mode
5
10
k
RHp
Load impedance - headphone driver mode
16
32
RBtl
Load impedance - power output-BTL mode
5
8
Table 6. Electrical specifications - digital section
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Iil
Low level input current without
pull-up/down device
Vi = 0 V
0.5
μA
Iih
High level input current without
pull-up/down device
Vi = VDD_DIG
= 3.3 V
0.1
μA
Vil
Low level input voltage
0.8
V
Vih
High level input voltage
2.0
V
Vol
Low level output voltage
Iol = 2 mA
0.15
V
Voh
High level output voltage
Ioh = 2 mA
VDD_DIG
-0.15
V
Rpu
Pull-up/down resistance
50
k



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