參數(shù)資料
型號： STA333ML13TR
廠商： 意法半導(dǎo)體
英文描述： Sound Terminal TM 2 channel microless high efficiency digital audio system
中文描述： 健全的終端TM 2號通道m(xù)icroless高效率數(shù)字音頻系統(tǒng)
文件頁數(shù)： 7/15頁
文件大?。?/td> 185K
代理商： STA333ML13TR
STA333ML
Electrical specifications
7/15
3.4
Electrical characteristics
Table 5.
Electrical characteristics
(V
CC
= 18 V,VDD_DIG=3.3 V f
sw
= 384 kHz, T
amb
= 25 °C, R
L
= 8
unless otherwise
specified)
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
Po
Output power BTL
THD = 1 %
16
W
THD = 10%
20
R
dsON
Power Pchannel/Nchannel
MOSFET (Total Bridge)
ld=1A
180
250
m
l
dss
Power Pchannel/Nchannel
leakage
V
cc
= 18V
10
μ
A
gP
Power Pchannel RdsON
Matching
ld=1A
95
%
gN
Power Nchannel RdsON
Matching
ld=1A
95
%
I
LDT
Low current dead time (static)
Resistive load
Figure 3
.
5
10
ns
I
HDT
High current dead time
(dynamic)
@lload = 1.5 A (
Figure 5
)
10
20
ns
t
r
Rise time
Resistive load
Figure 3
.
8
10
ns
t
f
Fall time
Resistive load
Figure 3
.
8
10
ns
VCC
Supply voltage operating
voltage
4.5
18
V
I
cc
Supply current from Vcc in
power down
PWRDN = 0
0.1
mA
Supply current from Vcc in
operation
PCM Input signal = -60 dBFS.
Switching frequency = 384KHz
No LC filters
30
mA
Supply current DDX processing
(reference only)
Internal clock = 49.152 MHz
80
mA
I
lim
Overcurrent limit
Nonlinear output
2.2
3.5
4.3
A
I
sc
short circuit protection
Hi-Z output
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
DR
Dynamic range
100
dB
SNR
Signal to noise ratio
A - weighted
94
dB
THD+N
Total harmonic distortion +
noise
Po = 1 W, f = 1 kHz
0.05
0.2
%
PSRR
Power supply rejection ratio
DDX stereo, <5 kHz
Vripple = 1 V
RMS
Audio input = dither only
80
dB
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