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STA333ML13TR

器件型号:STA333ML13TR
厂商名称:ST(意法半导体)
厂商官网:http://www.st.com/
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器件描述

high-efficiency digital audio system

参数
参数名称属性值
欧盟限制某些有害物质的使用Compliant with Exemption
ECCN (US)EAR99
Part StatusActive
HTS8542.33.00.01
SVHCYes
SVHC Exceeds ThresholdYes
Total Harmonic Distortion0.05%
Minimum Operating Supply Voltage (V)4.5
Maximum Operating Supply Voltage (V)20
Maximum Supply Current (mA)0.2
Minimum Operating Temperature (°C)0
Maximum Operating Temperature (°C)70
系列
Packaging
Tape and Reel
Pin Count36
Standard Package NamePowerSSO
Supplier PackagePowerSSO EP
MountingSurface Mount
Package Height2.4(Max)
Package Length10.5(Max)
Package Width7.6(Max)
PCB changed36
Lead ShapeGull-wing

文档预览

STA333ML
2-channel microless high-efficiency digital audio system Sound
Terminal ®
Datasheet
-
production data
Wireless speaker cradles
Description
PowerSSO-36
with exposed pad down (EPD)
The STA333ML is a single die embedding digital
audio processing and high-efficiency power
amplification, capable of operating without the aid
of an external microcontroller.
The STA333ML is part of the Sound Terminal
®
family that provides full digital audio streaming to
the speakers and offers cost effectiveness, low
power dissipation and sound enrichment.
The STA333ML combines a unique 24-bit DDX
®
digital class-D ternary modulator together with an
extremely low R
dsON
stereo power DMOS stage.
The latter is capable of a total output power of
2 x 20 W with outstanding performance in terms
of efficiency (>90%), THD, SNR and EMI.
The microless feature allows its use in low-cost
applications (cradles, digital speakers, audio
terminals) where no microcontroller is needed.
The serial audio data interface accepts the
universally used I
2
S format. Basic features, such
as the oversampling clock, gain, and I
2
S format,
can be set using a minimal number of selection
pins. The STA333ML is self-protected against
thermal overload, overcurrent, short-circuit and
overvoltage conditions.
The fault condition is also signalled on an external
pin (INT_LINE) for specific requirements.
Features
Wide supply voltage range (4.5 - 20 V)
2 x 20 W into 8

at V
CC
= 18 V
PowerSSO-36 exposed pad package
2 channels of 24-bit DDX
®
100-dB SNR and dynamic range
Selectable 32 kHz to 48 kHz input sample
rates
Automatic zero-detect mute
Automatic invalid input detect mute
2-channel I
2
S input data interface
Selectable clock input ratio (256 or 364 * fs)
Max power correction for lower full power
96 kHz internal processing sample rate, 24-bit
precision
Embedded thermal overload and short-circuit
protection
Filterless configuration option
Applications
LCDs
DVDs
Cradles
Digital speakers
Table 1. Device summary
Order code
STA333ML13TR
Package
PowerSSO-36 EPD
Packaging
Tape and reel
March 2019
This is information on a product in full production.
DocID13177 Rev 8
1/23
www.st.com
Contents
STA333ML
Contents
1
2
3
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.1
3.2
3.3
3.4
3.5
3.6
3.7
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Recommended operating condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Electrical specifications - digital section . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Electrical specifications - power section . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Power-on sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Test circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4
Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.1
4.2
4.3
4.4
4.5
4.6
4.7
Serial audio interface protocols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Fault-detect recovery bypass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Zero-detect mute enable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Fade-in/out feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Oversampling selector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Gain selector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Power-down function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
5
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5.1
5.2
5.3
5.4
Applications schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Internal voltage reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
PLL filter schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Typical output configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6
7
8
Package thermal characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
2/23
DocID13177 Rev 8
STA333ML
Contents
9
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
DocID13177 Rev 8
3/23
23
Block diagram
STA333ML
1
Block diagram
Figure 1. Block diagram
I
2
S
interface
Protection
current/thermal
Channel
1A
Volume
control
Power
control
DDX
Logic
Channel
1B
Channel
2A
Regulators
PLL
Bias
Channel
2B
4/23
DocID13177 Rev 8
STA333ML
Pin description
2
Pin description
Figure 2. Pin connections (top view)
GND_SUB
FMT
TEST_MODE
VSS_REG
VCC_REG
OUT2B
GND2
VCC2
OUT2A
OUT1B
VCC1
GND1
OUT1A
GND_REG
VDD_REG
CONFIG
N.C.
N.C.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
EP, exposed pad
(device ground)
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
VDD_DIG
GND_DIG
GAIN
ONSEL
INT_LINE
RESET
SDI
LRCKI
BICKI
XTI
GND_PLL
FILTER_PLL
VDD_PLL
PWRDN
GND_DIG
VDD_DIG
N.C.
N.C.
Table 2. Pin description
Pin
1
2
3
4
5
6
7
8
9
10
Name
GND_SUB
FMT
TEST_MODE
VSS_REG
VCC_REG
OUT2B
GND2
VCC2
OUT2A
OUT1B
Type
Gnd
In
In
Analog
Analog
Out
Gnd
Power
Out
Out
Substrate ground
Serial format:
0: I
2
S format
1: left justified
This pin must be connected to GROUND
Internal reference at V
CC
- 3.3 V
Internal V
CC
reference
Output half bridge 2B
Power negative supply
Power positive supply
Output half bridge 2A
Output half bridge 1B
Description
DocID13177 Rev 8
5/23
23

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STA333ML13TR音响终端2通道无微高效数字音频系统典型应用
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