Electrical specifications
STA335BWS
Table 6. Electrical specifications - power section (continued)
Symbol
Parameter
Conditions
Min Typ Max Unit
IHDT
tr
tf
Vcc
Ivcc
Ivdd
Ilim
Isc
UVL
tmin
DR
SNR
PSSR
THD+N
XTALK
η
High current dead time
(dynamic)
Rise time
Fall time
Iload = 1.5 A (1)
Resistive load (1)
Resistive load (1)
Supply voltage operating
voltage
Supply current from Vcc in
power down
PWRDN = 0
Supply current from Vcc in
operation
PCM Input signal = -60 dBFS
Switching frequency = 384 kHz
No LC filters
Supply current DDX processing
(reference only)
Internal clock = 49.152 MHz
Overcurrent limit
(2)
Short circuit protection
Hi-Z output
Under voltage protection
Output minimum pulse width No load
Dynamic range
Signal to noise ratio, ternary
mode
Signal to noise ratio binary
mode
A-Weighted
Power supply rejection ratio
DDX stereo mode, <5 kHz
VRIPPLE = 1 V RMS
Audio input = dither only
Total harmonic distortion +
noise
DDX stereo mode, Po = 1 W
f = 1 kHz
Crosstalk
DDX stereo mode, <5 kHz
One channel driven @ 1 W
Other channel measured
Peak efficiency, DDX mode Po = 2 x 20 W into 8 Ω
Peak efficiency, binary modes
Po = 2 x 9 W into 4 Ω,
1 x 20 W into 8 Ω
15
10
10
4.5
30
ns
18
ns
18
ns
21.5 V
0.1 1
mA
52
60
mA
55
70
mA
2.2 3.0 4.0 A
2.7 3.6
A
3.5 4.3 V
20
30
60
ns
100
dB
100
dB
90
dB
80
dB
0.2
%
80
dB
90
%
87
1. Refer to Figure 4: Test circuit 1.
2. Limit current if the register (OCRB par 6.1.3.3) overcurrent warning detect adjustment bypass is enabled. When disabled
refer to Isc.
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