STA333ML(2007) 查看數據表（PDF） - STMicroelectronics
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STA333ML
(Rev.:2007)
(Rev.:2007)
STMicroelectronics
STA333ML Datasheet PDF : 15 Pages
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STA333ML
Electrical specifications
3.4
Electrical characteristics
Table 5.
Electrical characteristics
(VCC = 18 V,VDD_DIG=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
RdsON
ldss
gP
Power Pchannel/Nchannel
MOSFET (Total Bridge)
Power Pchannel/Nchannel
leakage
Power Pchannel RdsON
Matching
THD = 1 %
THD = 10%
ld=1A
Vcc = 18V
ld=1A
16
W
20
180 250 mΩ
10 µA
95
%
gN
ILDT
IHDT
tr
tf
VCC
Power Nchannel RdsON
Matching
Low current dead time (static)
High current dead time
(dynamic)
Rise time
Fall time
Supply voltage operating
voltage
ld=1A
Resistive load Figure 3.
@lload = 1.5 A (Figure 5)
Resistive load Figure 3.
Resistive load Figure 3.
95
%
5
10 ns
10
20
ns
8
10 ns
8
10 ns
4.5
18
V
Supply current from Vcc in
power down
PWRDN = 0
Icc
Supply current from Vcc in
operation
PCM Input signal = -60 dBFS.
Switching frequency = 384KHz
No LC filters
Supply current DDX processing
(reference only)
Internal clock = 49.152 MHz
0.1
mA
30
mA
80
mA
Ilim
Isc
UVL
tmin
DR
SNR
Overcurrent limit
short circuit protection
Under voltage protection
threshold
Output minimum pulse width
Dynamic range
Signal to noise ratio
Nonlinear output
Hi-Z output
No load
A - weighted
2.2 3.5 4.3
A
2.7 3.8 5.0
A
3.5 4.3
V
20 30 60 ns
100
dB
94
dB
THD+N
Total harmonic distortion +
noise
PSRR Power supply rejection ratio
Po = 1 W, f = 1 kHz
DDX stereo, <5 kHz
Vripple = 1 VRMS
Audio input = dither only
0.05 0.2 %
80
dB
7/15
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