STA538 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'STA538' PDF : 59 Pages View PDF
STA538
Electrical specifications
3.2
Electrical characteristics
Table 6 lists the device’s electrical characteristics (see also Table 5 for supply voltages).
Table 6. Electrical characteristics
Symbol
Parameter
Test conditions
Min
Typ
Max
Unit
Eff
Output power efficiency
90
%
Rdson
Output stage N/PMOS on-
resistance
250
mΩ
IstbyL
Logic power supply current at
standby
1.3
µA
IstbyP
Bridges power supply current in
standby
0.7
µA
IddL
Logic power supply current at
operating
15
mA
IddP
Bridges power supply current at
operating
0.5
mA
Tds
Low current dead time (static)
1
ns
Tdd
High current dead time
(dynamic)
2.5
ns
Tr
Rise time
3
ns
Tf
Fall time
3
ns
DNR
Dynamic range
A-weighted
Speaker mode
96
dB
SNR
Signal-to-noise ratio (A-
weighted)
Speaker mode
92
dB
THDN Total harmonic distortion
0 dBFS input, 8 Ω load
speaker
0.1
%
THDN Total harmonic distortion
-6 dBFS input, 8 Ω load
speaker
0.05
%
THDN Total harmonic distortion
0 dBFS input, 32 Ω load
headphone
0.1
%
THDN Total harmonic distortion
-6 dBFS input, 32 Ω load
headphone
0.05
%
Note:
LRCLKI frequency (Fs) = 48 kHz, input frequency = 1 kHz, and Rload = 32 Ω unless
otherwise specified.
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