sta381bws STMicroelectronics, sta381bws Datasheet - Page 24
sta381bws
Manufacturer Part Number
sta381bws
Description
Sound Terminal 2.1-channel High-efficiency Digital Audio System Sound Terminal 2.1-channel High-efficiency Digital Audio System
Manufacturer
STMicroelectronics
Datasheet
1.STA381BWS.pdf
(168 pages)
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Part Number:
STA381BWS
Manufacturer:
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Quantity:
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Electrical specifications
Figure 3.
3.6
Table 8.
1. Refer to
24/168
Symbol
THD+N Total harmonic distortion + noise
PSRR
X-Talk
Vout
Pout
DR
R
in
Output voltage for line out
Output voltage for HP out
Dynamic range for line out
Channel separation for line out
Power supply rejection ratio
Line input resistance
8.2: Headphone and 2 Vrms line out
Test circuit
Electrical specifications for the analog section
The specifications given in this section are valid for the operating conditions:
f = 1 kHz, T
Electrical specifications for the analog section
Parameter
amb
= 25 °C, VDD3V3 = 3.3 V,
,
Figure 47: Headphone and line out block
G
THD+N = 10%, G
Vout = 2 V
V
V
HP mode, P
Line out mode, V
HP mode, V
Line out mode, V
out
in
v
Doc ID 018937 Rev 2
= 2.5, THD < 1%, Rload = 5 kΩ
= 0.8 mV (-60 dBFs)
= 2 Vrms, G
RMS
out
0
= 15 mW
, F
Conditions
= 200 mV
R
v
Out
Line
in
Out
v
= 2.5
= 200 Hz,
= 2.5, Rload = 32 Ω
= 5 kΩ, R
= 2 Vrms
= 0.2 Vrms, G
RMS
, G
Hp
v
= 32 Ω,
= 2.5
v
= 2.5
diagram, R
unless otherwise specified.
Min
1.9
in
= R1
0.03
0.03
Typ
100
40
75
70
70
STA381BWS
30
Max
2.1
(1)
Vrms
Unit
mW
dB
dB
dB
kΩ
%
%
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