sta333bwqs13tr STMicroelectronics, sta333bwqs13tr Datasheet - Page 17
sta333bwqs13tr
Manufacturer Part Number
sta333bwqs13tr
Description
2.1-channel High-efficiency Digital Audio System With Qsound Qhd
Manufacturer
STMicroelectronics
Datasheet
1.STA333BWQS13TR.pdf
(71 pages)
- Current page: 17 of 71
- Download datasheet (2Mb)
STA333BWQS
Table 7.
1. Refer to
2. Limit current if the register (OCRB par 6.1.3.3) overcurrent warning detect adjustment bypass is enabled. When disabled
Symbol
THD+N
PSSR
X
refer to the Isc.
SNR
I
I
UVL
t
Ilim
DR
VCC
VDD
Isc
TALK
min
η
Figure 4: Test circuit
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 characteristics - power section (continued)
Parameter
1.
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 at 1 W
Other channel measured
Po = 2 x 20 W, 8 Ω
Po = 2 x 9 W @ 4 Ω, 1 x 20 W
into 8 Ω
RIPPLE
= 1 V RMS
Conditions
Min
2.2
2.7
20
Electrical specifications
Typ
100
100
0.1
3.0
3.6
3.5
0.2
30
80
30
90
80
80
90
87
Max
4.0
4.3
60
1
Unit
mA
mA
mA
dB
dB
dB
dB
dB
ns
%
%
17/71
A
A
V
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