Electrical specifications
STA380BW
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DocID024543 Rev 1
3.5
Electrical specifications - power section
The specifications given in this section are valid for the operating conditions: V
CC
= 24 V,
f = 1 kHz, f
sw
= 384 kHz, T
amb
= 25° C and R
L
= 8
, unless otherwise specified.
Table 7. Electrical specifications - power section
Symbol
Parameter Conditions
Min
Typ
Max
Unit
Po
Output power BTL
Digital limited
(1)
20
W
Output power SE
5
Output power SE R
L
= 4
9
R
dsON
Power Pchannel/Nchannel MOSFET
l
d
= 1.5 A
120
m
gP
Power Pchannel R
dsON
matching
l
d
= 1.5 A
95
%
gN
Power Nchannel R
dsON
matching
l
d
= 1.5 A
95
%
Idss
Power Pchannel/Nchannel leakage
10
μ
A
I
LDT
Low current dead time (static)
Resistive load
(2)
8
15
ns
t
r
Rise time
Resistive load
10 18 ns
t
f
Fall time
Resistive load
10 18 ns
I
vcc
Supply current from Vcc in power-down PWRDN = 0
0.1
1
μ
A
Supply current from Vcc in operation
PCM Input signal = -60 dBfs,
Switching frequency = 384 kHz,
No LC filters
52
60
mA
Ilim
Overcurrent limit
4
5
6.5
A
UVL
Undervoltage protection
3.5
4.3
V
V
OV
Overvoltage protection
28.5
V
t
min
Output minimum pulse width
No load
20
30
60
ns
DR
Dynamic range
100
dB
SNR
Signal-to-noise ratio, ternary mode
A-weighted
100
dB
Signal-to-noise ratio, binary mode
A-weighted
90
dB
THD+N Total harmonic dist noise
FFX stereo mode, Po = 1 W,
f = 1 kHz
0.2
%
X
TALK
Crosstalk
FFX stereo mode,
<5 kHz, one channel driven at
1 W and other channel
measured
80
dB
Peak efficiency, FFX mode
Po = 2 x 20 W into 8
90
%
1. The related THD can be defined through appropriate DRC settings (see section:
2. Refer to
Obsolete Product(s) - Obsolete Product(s)
