Datasheet

Electrical specifications STA333ML
8/21 Doc ID 13177 Rev 6
I
vcc
Supply current from
V
CC
in power down
PWRDN = 0 0.03 0.06 0.2 mA
Supply current from
V
CC
in operation
PCM Input signal =
-60 dBFs.
Switching frequency =
384 kHz
No LC filters
- 3050mA
I
vdd_dig
Supply current DDX
processing (reference
only)
Internal clock =
49.152 MHz
10 30 50 mA
Supply current in
standby
- 8 11 25 mA
I
SCP
short-circuit protection Hi-Z output 2.7 3.8 5.0 A
UVL
Undervoltage
protection threshold
--3.54.3V
t
min
Output minimum pulse
width
No load 20 30 60 ns
DR Dynamic range - - 100 - dB
SNR Signal-to-noise ratio A-weighted - 100 - 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
X
TA LK
Crosstalk
DDX stereo, <5 kHz
One chan. driven at 1 W
other channel measured
-80-dB
η
Peak efficiency, DDX
mode
Po = 2 x 20 W into
8 Ω -90-%
f
sw
PWM carrier frequency
switching
- - 384 - kHz
Table 7. Electrical specifications for power section (continued)
Symbol Parameter Conditions Min Typ Max Unit