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STA333IS датащи(PDF) 12 Page - STMicroelectronics

номер детали STA333IS
подробное описание детали  100 dB SNR and dynamic range
PDF  43 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA333IS датащи(HTML) 12 Page - STMicroelectronics

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Electrical specifications
STA333IS
12/43
DocID022855 Rev 3
3.5
Electrical specifications - power section
The specifications in Table 7 below are given for the conditions VCC = 13 V, VDD = 3.3 V,
fSW = 384 kHz, Tamb = 25 °C and RL = 8 Ω, unless otherwise specified.
Table 7. Electrical specifications for power section
Symbol
Parameter
Conditions
Min
Typ
Max Unit
Po
Output power BTL
THD = 1%
-
8
-
W
THD = 10%
-
10
-
RdsON
Power P-channel/N-channel
MOSFET (total bridge)
ld = 1 A
-
110
-
m
Ω
ldss
Power P-channel/N-channel leakage VCC = 20 V
-
-
10
µA
gP
Power P-channel RdsON matching
ld = 1 A
95
-
-
%
gN
Power N-channel RdsON matching
ld = 1 A
95
-
-
%
ILDT
Low-current dead time (static)
Resistive load, refer to Figure 4
-
5
10
ns
IHDT
High-current dead time (dynamic)
Refer to Figure 5
-10
20
ns
tr
Rise time
Resistive load, refer to Figure 4
-
8
10
ns
tf
Fall time
Resistive load, refer to Figure 4
-
8
10
ns
VCC
Supply voltage
-
4.5
-
20
V
IVCC
Supply current from VCC in power-
down
At power-ON (EAPD bit = 0)
30
60
200
µA
Supply current from VCC in
operation
PCM input signal = -60 dBfs
Internal clock = 49.152 MHz
Switching frequency = 384 kHz
No LC filters
-30
50
mA
IVDD_DIG
Supply current for FFX processing
(reference only)
-30
50
mA
Supply current in standby
(PWDN bit = 0)
-
11
25
mA
ILIM
Overcurrent limit
Non-linear output (1)
2.2
3.5
4.3
A
ISCP
Short-circuit protection
High-impedance output (2)
2.7
3.8
5.0
A
VUVP
Undervoltage 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
FFX stereo mode, Po = 1 W, f = 1 kHz
-
0.05
-
%
DR
Dynamic range
-
-
100
-
dB
SNR
Signal to noise ratio in ternary mode A-weighted
-
100
-
dB
Signal to noise ratio in binary mode
A-weighted
-
90
-
PSRR
Power supply rejection ratio
FFX stereo mode, < 5 kHz,
VRIPPLE = 1 V RMS
audio input = dither only
-80-
dB



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