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STA369BWS Datenblatt(PDF) 15 Page - STMicroelectronics

Teilenummer STA369BWS
Bauteilbeschribung  2.1-channel 40-watt high-efficiency digital audio system Sound Terminal?
PDF  89 Pages
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Hersteller  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

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STA369BWS
Electrical specifications
Doc ID 16861 Rev 4
15/89
3.5
Electrical specifications for the power section
The specifications given in this section are valid for the operating conditions: VCC =18V,
f= 1 kHz, fsw = 384 kHz, Tamb = 25 °C and RL = 8 Ω, unless otherwise specified.
Table 7.
Electrical specifications - power section
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Po
Output power BTL
THD = 1%
-
16
-
W
THD = 10%
-
20
-
Output power SE
THD = 1%,RL= 4 Ω
-7
-
W
THD = 10%,RL= 4 Ω -9
-
RdsON
Power P-channel or N-channel MOSFET
ld = 0.75 A
-
-
250
m
Ω
gP
Power P-channel RdsON matching
ld = 0.75 A
-
100
-
%
gN
Power N-channel RdsON matching
ld = 0.75 A
-
100
-
%
Idss
Power P-channel/N-channel leakage
VCC = 20 V
-
-
1
µA
tr
Rise time
Resistive load,
see Figure 3 below
-
-
10
ns
tf
Fall time
-
-
10
ns
IVCC
Supply current from VCC in power down
PWRDN = 0
-
0.3
-
µA
Supply current from VCC in operation
PWRDN = 1
-
15
-
mA
IVDD
Supply current FFX processing
Internal clock =
49.152 MHz
-55
-
mA
ILIM
Overcurrent limit
(1)
2.2
3.0
-
A
ISCP
Short -circuit protection
RL = 0 Ω
2.7
3.6
-
A
VUVP
Undervoltage protection
-
-
-
4.3
V
tmin
Output minimum pulse width
No load
20
40
60
ns
DR
Dynamic range
-
-
100
-
dB
SNR
Signal to noise ratio, ternary mode
A-Weighted
-
100
-
dB
Signal to noise ratio binary mode
-
-
90
-
dB
THD+N
Total harmonic distortion + noise
FFX stereo mode,
Po = 1 W
f=1kHz
-0.2
-%
XTALK
Crosstalk
FFX stereo mode,
<5 kHz
One channel driven
at 1 W, other channel
measured
-80
-
dB
η
Peak efficiency, FFX mode
Po = 2 x 20 W
into 8
Ω
-90
-
%
Peak efficiency, binary modes
Po = 2 x 9 W into 4
Ω
+ 1 x 20 W into 8
Ω
-87
-
1. Limit the current if overcurrent warning detect adjustment bypass is enabled (register bit CONFC.OCRB on
page 32). When disabled refer to ISCP.



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