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STA335BWS Schematic ( PDF Datasheet ) - STMicroelectronics

Teilenummer STA335BWS
Beschreibung 2.1-channel high-efficiency digital audio system
Hersteller STMicroelectronics
Logo STMicroelectronics Logo 




Gesamt 30 Seiten
STA335BWS Datasheet, Funktion
STA335BWS
www.datasheet4u.com
2.1-channel high-efficiency digital audio system
Features
! Wide supply voltage range
– 4.5 V to 21.5 V operating
– 24 V absolute maximum rating
! Three power-output configurations
– 2-channel ternary PWM (stereo mode)
(2 x 20 W into 8 at 18 V)
– 3-channel (left, right using binary and LFE)
ternary PWM (2.1 mode) (2 x 9 W +
1 x 20 W into 2 x 4 , 1 x 8 at 18 V)
– 2-channel ternary PWM (2 x 20 W) +
stereo lineout ternary
! 2.1 channels of 24-bit DDX®
! 100 dB SNR and dynamic range
! Selectable 32 kHz to 192 kHz input sample
rates
! I2C control with selectable device address
! Digital gain/attenuation +48 dB to -80 dB in
0.5 dB steps
! Software volume update
! Individual channel and master gain/attenuation
! Dual independent limiters/compressors
! Dynamic range compression or anti-clipping
modes
! Automodes
– 15 preset cross-over filters
– 5 preset anti-clipping modes
– Preset night-time listening mode
! Individual channel and master software and
hardware mute
! Independent channel volume and DSP bypass
! Automatic zero-detect mute
! Automatic invalid input detect mute
PowerSSO-36
Exposed pad down
! 2-channel I2S input data interface
! Input and output channel mapping
! 4 x 28-bit user programmable biquads (EQ) per
channel
! Up to 3 different EQ coefficients settings can
be stored and selected using I2C interface
! Bass/treble tone control
! DC-blocking selectable high-pass filter
! Selectable de-emphasis
! Sub channel mix into left and right channels
! Advanced AM interference frequency
switching and noise-suppression modes
! Selectable high or low-bandwidth
noise-shaping topologies
! Variable max power correction for lower
full-power THD
! Selectable clock input ratio
! 96 kHz internal processing sample rate,
24 to 28-bit precision
! Thermal overload and short-circuit protection
embedded
! Video application: 576 x fs input mode
supported
! PowerSSO-36 exposed pad down package
Figure 1. Device summary
Order code
STA335BWS
STA335BWS13TR
Package
PowerSSO-36 exposed pad down
PowerSSO-36 exposed pad down
Packaging
Tube
Tape and reel
January 2008
Rev 1
1/68
www.st.com
1






STA335BWS Datasheet, Funktion
Contents
STA335BWS
10 Trademarks and other acknowledgements . . . . . . . . . . . . . . . . . . . . . . 66
11 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
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6 Page









STA335BWS pdf, datenblatt
Connection diagram and pin description
STA335BWS
Table 1.
Pin
www.datasheet4u.com
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
Pin description (continued)
Type
Name
O OUT2A
O OUT1B
Power
GND
VCC1
GND1
I/O OUT1A
GND
GND_REG
Power
VDD
I CONFIG
O OUT3B/DDX3B
O OUT3A/DDX3A
O EAPD/OUT4A
I TWARN/OUT4B
Power
GND
VDD_DIG
GND_DIG
I PWRDN
Power
VDD_PLL
I
GND
FILTER_PLL
GND_PLL
I XTI
I BICKI
I LRCKI
I SDI
I RESET
O INT_LINE
I/O SDA
I
GND
SCL
GND_DIG
Power
VDD_DIG
Description
Output half bridge 2A
Output half bridge 1B
Power positive supply
Power negative supply
Output half bridge 1A
Internal ground reference
Internal 3.3 V reference voltage
Paralleled mode command
PWM out CH3B - external bridge
PWM out CH3A - external bridge
Power down for external bridge
Thermal warning from external bridge
Digital supply voltage
Digital ground
Power down
Positive supply for PLL
Connection to PLL filter
Negative supply for PLL
PLL input clock
I2S serial clock
I2S left/right clock
I2S serial data channels 1 and 2
Reset
Fault interrupt
I2C serial data
I2C serial clock
Digital ground
Digital supply voltage
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