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STA333W 数据表(PDF) 9 Page - STMicroelectronics

部件名 STA333W
功能描述  2-channel high-efficiency digital audio system
PDF  42 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STA333W 数据表(HTML) 9 Page - STMicroelectronics

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STA333W
Electrical specification
9/42
3.4
Electrical characteristics
Table 6.
Electrical characteristics
(VCC = 18 V, VDD = 3.3 V, fsw = 384 kHz, Tamb = 25° C, RL = 8 Ω unless
otherwise specified)
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
Po
Output power BTL
THD = 1%
16
W
THD = 10%
20
Output power SE
RL = 4 Ω, f = 1 kHz, THD = 1%
7
RL = 4 Ω, f = 1 kHz, THD = 10%
9
RdsON
Power Pchannel/Nchannel
MOSFET (Total bridge)
ld = 1 A
180
250
m
Ω
ldss
Power Pchannel/Nchannel
leakage
Vcc = 18 V
10
µA
gP
Power Pchannel RdsON
matching
ld = 1 A
95
%
gN
Power Nchannel RdsON
matching
ld = 1 A
95
%
ILDT
Low current dead time
(static)
Resistive load, refer to Figure 3
510
ns
IHDT
High current dead time
(dynamic)
Refer to Figure 4
10
20
ns
tr
Rise time
Resistive load, refer to Figure 3
810
ns
tf
Fall time
Resistive load, refer to Figure 3
810
ns
VCC
Supply voltage operating
voltage
4.5
18
V
Ivcc
Supply current from Vcc in
power down
PWRDN = 0
0.03
0.06
0.2
mA
Supply current from Vcc in
operation
PCM input signal = -60 dBFS
Switching frequency = 384 KHz
No LC filters
30
mA
Ivdd-dig
Supply current for DDX
processing (reference only)
Internal clock = 49.152 MHz
10
30
50
mA
Supply current in standby
8
11
25
mA
ILIM
Over-current limit
Non-linear output (1)
2.2
3.5
4.3
A
ISC
Short-circuit protection
Hi-Z output (2)
2.7
3.8
5.0
A
UVL
Under-voltage protection
threshold
3.5
4.3
V
tmin
Output minimum pulse
width
No load
20
30
60
ns
THD+N
Total harmonic distortion
and noise
DXX stereo mode, Po = 1 W,
f = 1 kHz
0.05
0.2
%



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