sta335bwsqs13tr STMicroelectronics, sta335bwsqs13tr Datasheet - Page 16

• Manufacturer Part Number: sta335bwsqs13tr
• Description: 2.1-channel, High-efficiency Digital Audio System With Qsound Qhd
• Manufacturer: STMicroelectronics

Electrical specifications
Table 6.
1. Refer to
2. Limit current if the register (OCRB par 6.1.3.3) overcurrent warning detect adjustment bypass is enabled. When disabled
16/70
t
t
V
I
I
I
Isc
UVL
t
DR
SNR
PSSR
THD+N
X
η
r
f
vcc
vdd
lim
min
Symbol
cc
TALK
refer to Isc.
Figure 4: Test circuit
Rise time
Fall time
Supply voltage operating voltage
Supply current from Vcc in power
down
Supply current from Vcc in
operation
Supply current DDX processing
(reference only)
Overcurrent limit
Under voltage protection
Output minimum pulse width
Dynamic range
Signal to noise ratio, ternary
mode
Signal to noise ratio binary mode
Power supply rejection ratio
Total harmonic distortion + noise
Crosstalk
Peak efficiency, DDX mode
Peak efficiency, binary modes
Short circuit protection
Electrical specifications - power section (continued)
Parameter
1.
Resistive load
Resistive load
PWRDN = 0
PCM Input signal = -60 dBFS
Switching frequency = 384 kHz
No LC filters
Internal clock = 49.152 MHz
(2)
Hi-Z output
No load
A-Weighted
DDX stereo mode, <5 kHz
V
Audio input = dither only
DDX stereo mode, Po = 1 W
f = 1 kHz
DDX stereo mode, <5 kHz
One channel driven @ 1 W
Other channel measured
Po = 2 x 20 W into 8 Ω
Po = 2 x 9 W into 4 Ω,
1 x 20 W into 8 Ω
RIPPLE
= 1 V RMS
Conditions
(1)
(1)
4.5
2.2
2.7
20
Min
10
10
0.1
52
55
3.0
3.6
3.5
30
100
100
90
80
0.2
80
90
87
Typ
STA335BWSQS
18
18
21.5
1
60
70
4.0
4.3
60
Max
ns
ns
V
mA
mA
mA
A
A
V
ns
dB
dB
dB
dB
%
dB
%
Unit