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STMicroelectronics Electronic Components Datasheet

STA320 Datasheet

2.1 MULTICHANNELS DIGITAL AUDIO PROCESSOR WITH DDTM

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STA320 pdf
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STA320
2.1 MULTICHANNELS DIGITAL AUDIO
PROCESSOR WITH DDX™
1 FEATURES
2.1 Channels of 24-bit DDXTM
Figure 1. Package
>100dB SNR and Dynamic Range
Selectable 32kHz-192kHz Input Sample Rates
I2C control with Selectable Device Address
Digital Gain/Attenuation +48dB to -90dB in
SO28
0.5dB steps
Soft Volume Update
Individual Channel and Master Gain/
Table 1. Order Code
Part Number
Package
Attenuation
STA320
SO28
Dual Independent Limiters/Compressors
Dynamic Range Compression or Anti-Clipping
Modes
AutoModesTM:
Post-EQ User Programmable mix
User Programmable 2.1 Bass Management
– 7 Preset Crossover filters
Sub Channel Mix into Left and Right Channels
– 32 Preset EQ Settings
Advanced AM Interference Frequency
– Auto Volume Controlled Loudness
Switching and Noise Suppression Modes
– 3 Preset Volume Curves
Selectable High or Low Bandwidth Noise
– 2 Preset Anti-Clipping Modes
– Preset Nighttime Listening Mode
DataSheet4U.Scohmaping
Variable
Topologies
Max Power
Correction
for
lower
full-
DataShee
– Preset TV AGC
power THD
Individual Channel and Master Soft and Hard
3 or 4 Output Routing Configurations
Mute
Selectable Clock Input Ratio
Independent Channel Volume and DSP Bypass
Automatic Zero-Detect Mute
96kHz Internal Processing Sample Rate, 24 to
28-bit precision
Automatic Invalid Input Detect Mute
2-Channel I2S Input Data Interface
2 DESCRIPTION
Input and Output Channel Mapping
4 28-bit User Programmable Biquads (EQ) per
channel
Bass/Treble Tone Control
The STA320 is a single chip solution for digital audio
processing and control in 2.1-channel applications. It
provides output capabilities for DDXTM (Direct Digital
Amplification). In conjunction with a DDXTM power
DC Blocking Selectable High-Pass Filter
device, it provides high-quality, high-efficiency, all
Selectable De-emphasis
digital amplification.
DataSheet4U.com
November 2005
This is preliminary information on a new product now in development. Details are subject to change without notice.
DataSheet4 U .com
REV. 1
1/37


STMicroelectronics Electronic Components Datasheet

STA320 Datasheet

2.1 MULTICHANNELS DIGITAL AUDIO PROCESSOR WITH DDTM

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STA320 pdf
www.DataSheet4U.com
STA320
Figure 2. PIN CONNECTION (Top view)
SA
DDX1A
DDX1B
DDX2A
DDX2B
RESET
SCL
SDA
RESERVED
FILTER_PLL
XTI
GNDA
VddA
SDI_12
1 28
2 27
3 26
4 25
5 24
6 23
7 22
8 21
9 20
10 19
11 18
12 17
13 16
14 15
D04AU1550
GND
TWARN
FAULT
OCDETECT
TRI-STATE
EAPD
DDX3B
DDX3A
PWDN
Vdd
Vdd
GND
BICKI
LRCKI.
Table 2. ABSOLUTE MAXIMUM RATINGS
et4U.com Symbol
VDD
VDDA
Vi
3.3V I/O Power Supply
ParameDteartaSheet4U.com
3.3V Logic Power Supply
Voltage on input pins
Vo
Tstg
Tamb
Voltage on output pins
Storage Temperature
Ambient Operating Temperature
Table 3. THERMAL DATA
Symbol
Parameter
Rthj-amb Thermal resistance Junction to Ambient
Table 4. RECOMMENDED DC OPERATING CONDITIONS
Symbol
Parameter
VDD I/O Power Supply
VDDA Logic Power Supply
Tj Operating Junction Temperature
DataSheet4U.com
2/37
DataSheet4 U .com
Value
-0.5 to 4
-0.5 to 4
-0.5 to (VDD+0.5)
-0.5 to (VDD+0.3)
-40 to +150
-20 to +85
Unit DataShee
V
V
V
V
°C
°C
Value
85
Unit
°C/W
Value
3.0 to 3.6
3.0 to 3.6
-20 to +125
Unit
V
V
°C


Part Number STA320
Description 2.1 MULTICHANNELS DIGITAL AUDIO PROCESSOR WITH DDTM
Maker ST Microelectronics
Total Page 30 Pages
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STA320 pdf
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