STA333W STMicroelectronics, STA333W Datasheet - Page 13

• Manufacturer Part Number: STA333W
• Description: DIG AUDIO SYSTEM, 2-CH, 36POWERSSOP
• Manufacturer: STMicroelectronics

Specifications of STA333W

• Svhc: No SVHC (15-Dec-2010)
• Package / Case: PowerSSO
• Interface: I2S
• No. Of Pins: 36
• Operating Temperature Range: 0°C To +70°C
• Supply Voltage Max: 18V
• Supply Voltage Min: 4.5V
• Termination T: RoHS Compliant
• Interface Type: I2S
• Rohs Compliant: Yes

STA333W
Table 7.
1. The I
2. The I
V
I
I
I
I
V
t
THD+N
DR
SNR
PSRR
X
η
VCC
VDD_DIG
LIM
SCP
min
Symbol
CC
UVP
TALK
The current limit is active when OCRB = 0 (see
on page
configuration. The short-circuit current is applicable when OCRB = 1 (see
detect adjustment bypass on page
LIM
SCP
data is for 1 channel of BTL configuration, thus, 2 * I
28. When OCRB = 1 then I
current limit data is for 1 channel of BTL configuration, thus, 2 * I
Supply voltage
Supply current from V
power down
Supply current from V
operation
Supply current for DDX
processing (reference only)
Supply current in standby
Short-circuit protection
Undervoltage protection
threshold
Output minimum pulse
width
Total harmonic distortion
and noise
Dynamic range
Signal to noise ratio in
ternary mode
Signal to noise ratio in
binary mode
Power supply rejection ratio
Crosstalk
Peak efficiency
in DXX mode
Overcurrent limit
Electrical specifications for power section (continued)
Parameter
Doc ID 13365 Rev 2
CC
CC
28.
SC
in
in
applies.
-
PWRDN = 0
PCM input signal = -60 dBfs
Switching frequency =
384 kHz
No LC filters
Internal clock = 49.152 MHz
-
Non-linear output
High-impedance output
-
No load
DXX stereo mode, Po = 1 W,
f = 1 kHz
-
A-weighted
A-weighted
DXX stereo mode, < 5 kHz,
V
audio input = dither only
DXX stereo mode, < 5 kHz,
One channel driven at 1 W
the other channel measured
Po = 2 x 20 W into 8 Ω
RIPPLE
Table 23: Overcurrent warning detect adjustment bypass
Conditions
= 1 V RMS
LIM
(1)
drives the 2-channel BTL configuration.
(2)
SCP
Table 23: Overcurrent warning
drives the 2-channel BTL
4.5
30
-
10
8
2.2
2.7
-
20
-
-
-
-
-
-
-
Min
Electrical specification
-
60
30
30
11
3.5
3.8
3.5
30
0.05
100
100
90
80
80
90
Typ
20
200
50
50
25
4.3
5.0
60
0.2
-
-
-
-
-
-
Max
4.3
V
µA
mA
mA
mA
A
A
V
ns
%
dB
dB
dB
dB
%
Unit
13/49