Electrical specifications STA380BW
3.5 Electrical specifications - power section
The specifications given in this section are valid for the operating conditions: V
CC f = 1 kHz, f sw
= 384 kHz, T amb
= 25° C and R
L
= 8 , unless otherwise specified.
= 24 V,
Table 7. Electrical specifications - power section
Symbol Parameter Conditions
Po
Output power BTL
Output power SE
Digital limited
(1)
Digital limited
(1)
Digital limited
(1)
R dsON gP gN
Output power SE R
L
= 4
Power Pchannel/Nchannel MOSFET l d
= 1.5 A
Power Pchannel R dsON
matching l d
= 1.5 A
Power Nchannel R dsON
matching
Idss Power Pchannel/Nchannel leakage l d
= 1.5 A
I
LDT t t f r
Low current dead time (static)
Rise time
Fall time
Resistive load
(2)
Resistive load
(2)
Resistive load
(2)
Supply current from Vcc in power-down PWRDN = 0
95
95
I vcc
Supply current from Vcc in operation
PCM Input signal = -60 dBfs,
Switching frequency = 384 kHz,
No LC filters
52
Ilim Overcurrent limit
UVL Undervoltage protection
V
OV t min
DR
Overvoltage protection
Output minimum pulse width
Dynamic range
SNR
Signal-to-noise ratio, ternary mode
Signal-to-noise ratio, binary mode
No load
4
20
5
3.5
28.5
THD+N Total harmonic distortion + noise
A-weighted
A-weighted
FFX stereo mode, Po = 1 W, f = 1 kHz
0.2
FFX stereo mode,
<5 kHz, one channel driven at
1 W and other channel measured
80
Peak efficiency, FFX mode Po = 2 x 20 W into 8
1. The related THD can be defined through appropriate DRC settings (see section: 4.3: STCompressor
TM
)
2. Refer to
Figure 3: Test circuit .
90
30
100
100
90
20
5
9
120
W m
%
%
μ A 10
8 15 ns
10 18 ns
10 18 ns
0.1
1 μ A
60
6.5
4.3
60 mA ns dB dB dB
A
V
V
% dB
%
22/162 DocID024543 Rev 1
STA380BW
Figure 3. Test circuit
Electrical specifications
Obsolete Product(s) - Obsolete Product(s)
DocID024543 Rev 1 23/162
