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STMicroelectronics Electronic Components Datasheet

STA339BWS Datasheet

2.1-channel 40-watt high-efficiency digital audio system

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STA339BWS pdf
STA339BWS
2.1-channel 40-watt high-efficiency digital audio system
Sound Terminal®
Features
Wide-range supply voltage, 4.5 V to 21.5 V
Three power output configurations:
– 2 channels of ternary PWM
(2 x 20 W into 8 Ω at 18 V) + PWM output
– 2 channels of ternary PWM
(2 x 20 W into 8 Ω at 18 V) + ternary stereo
line-out
– 2.1 channels of binary PWM (left, right,
LFE) (2 x 9 W into 4 Ω +1 x 20 W into 8 Ω
at 18 V)
FFX with 100-dB SNR and dynamic range
Scalable FFX modulation index
Selectable 32- to 192-kHz input sample rates
I2C control with selectable device address
Digital gain/attenuation +48 dB to -80 dB with
0.5-dB/step resolution
Soft volume update with programmable ratio
Individual channel and master gain/attenuation
Two independent DRCs configurable as a
dual-band anticlipper (B2DRC) or as
independent limiters/compressors
EQ-DRC for DRC based on filtered signals
Dedicated LFE processing for bass boosting
Audio presets:
– 15 preset crossover filters
– 5 preset anticlipping modes
– Preset nighttime listening mode
Individual channel soft/hard mute
PowerSSO-36
with exposed pad down (EPD)
Independent channel volume and DSP bypass
I2S input data interface
Input and output channel mapping
Automatic invalid input-detect mute
Up to 8 user-programmable biquads/channel
Three coefficient banks for storing EQ presets
with fast recall via I2C interface
Bass/treble tones and de-emphasis control
Selectable high-pass filter for DC blocking
Advanced AM interference frequency
switching and noise suppression modes
Selectable high- or low-bandwidth
noise-shaping topologies
Selectable clock input ratio
96-kHz internal processing sample rate
Thermal overload and short-circuit protection
technology
Video apps: 576 x fS input mode supported
Pin and SW compatible with STA333BW,
STA339BW, STA559BW and STA559BWS
Table 1. Device summary
Order code
STA339BWS
STA339BWS13TR
Package
PowerSSO-36 EPD
PowerSSO-36 EPD
Packaging
Tube
Tape and reel
November 2011
Doc ID 15276 Rev 5
1/76
www.st.com
76
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STMicroelectronics Electronic Components Datasheet

STA339BWS Datasheet

2.1-channel 40-watt high-efficiency digital audio system

No Preview Available !

STA339BWS pdf
Contents
Contents
STA339BWS
1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2 Pin connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.1 Connection diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.3 Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.4 Electrical specifications for the digital section . . . . . . . . . . . . . . . . . . . . . 13
3.5 Electrical specifications for the power section . . . . . . . . . . . . . . . . . . . . . 14
3.6 Power on/off sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
4 Processing data paths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
5 I2C bus specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
5.1 Communication protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
5.1.1 Data transition or change . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
5.1.2 Start condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
5.1.3 Stop condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
5.1.4 Data input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
5.2 Device addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
5.3 Write operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
5.3.1 Byte write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
5.3.2 Multi-byte write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
5.4 Read operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
5.4.1 Current address byte read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
5.4.2 Current address multi-byte read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
5.4.3 Random address byte read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
5.4.4 Random address multi-byte read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
6 Register description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
2/76 Doc ID 15276 Rev 5


Part Number STA339BWS
Description 2.1-channel 40-watt high-efficiency digital audio system
Maker STMicroelectronics
Total Page 30 Pages
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