STA381BWSTR STMicroelectronics, STA381BWSTR Datasheet - Page 24
STA381BWSTR
Manufacturer Part Number
STA381BWSTR
Description
Audio DSPs Sound Terminal 2.1 High EFF Dig Audio
Manufacturer
STMicroelectronics
Datasheet
1.STA381BWSTR.pdf
(171 pages)
Specifications of STA381BWSTR
Product Category
Audio DSPs
Rohs
yes
Operating Supply Voltage
4.5 V to 25.5 V
Operating Temperature Range
0 C to + 150 C
Mounting Style
SMD/SMT
Package / Case
VQFN-48
Snr
100 dB
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Electrical specifications
Figure 3.
3.6
Table 8.
1. Refer to
24/171
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
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,
out,
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 6
= 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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