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STMicroelectronics Electronic Components Datasheet

STA309B Datasheet

Multichannel digital audio processor

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STA309B pdf
STA309B
Multichannel digital audio processor with FFX®
Preliminary data
Features
8 channels of 24-bit FFX®
>100 dB SNR and dynamic range
Selectable 32 kH-192 kHz input sampling rates
6 channels of DSD/SACD and PDM input
Digital gain/attenuation +58 dB to -100 dB in
0.5 dB steps
Advanced “pop-free” operation
Digital “pop-free” operation for single-ended
mode
Soft volume update
Individual channel and master gain/attenuation
plus channel trim (-10 dB to +10 dB)
Up to 10 independent 32-bit user-
programmable biquads (EQ) per channel
Bass/treble tone control
Pre- and post-EQ full 8-channel input mix on all
8 channels
Dual independent limiters/compressors
Dynamic range compression or anti-clipping
modes
AutoModes
– 5-band graphic EQ
– 32 preset EQ curves (rock, jazz, pop, etc.)
– Automatic volume controlled loudness
– 5.1 to 2-channel downmix
– Simultaneous 5.1- and 2-channel downmix
outputs
– 3 preset volume curves
– 2 preset anti-clipping modes
– Preset movie nighttime listening mode
– Preset TV channel/commercial AGC mode
– 5.1, 2.1 bass management configurations
– AM frequency automatic output PWM
frequency shifting
– 8 preset crossover filters
Individual channel and master soft/hard mute
VFQFPN-56
Automatic zero-detect and invalid input mute
Automatic amplifier power-down on clock loss
Advanced AM interference frequency
switching and noise suppression modes
I2S output channel mapping function
Independent channel volume and DSP bypass
Channel mapping of any input to any
processing/FFX channel
Selectable per-channel FFX damped ternary or
binary PWM output
Max power correction for lower full-power THD
Variable per-channel FFX output delay control
192 kHz internal processing sampling rate,
24-bit to 36-bit precision
Description
The STA309B is a single-chip solution for digital
audio processing and control in multichannel
applications and provides output capabilities for
FFX (full flexible amplification). In conjunction with
an FFX power device, it provides high-quality,
high-efficiency, all-digital amplification. The device
is extremely versatile, allowing for input of most
digital formats including 6.1/7.1-channel and
192 kHz, 24-bit DVD-audio, DSD/SACD and PDM
for MEMS microphone inputs. In the 5.1
application, the additional 2 channels can be used
for audio line-out or headphone drive. In speaker
mode, with 8 channel outputs in parallel, the
STA309B can deliver 1 W (maximum).
Table 1. Device summary
Order code
Package
Packaging
STA309B VFQFPN56
STA309BTR
VFQFPN56
Tube
Tape and reel
January 2012
Doc ID 022570 Rev 2
1/66
www.st.com
66
http://www.Datasheet4U.com


STMicroelectronics Electronic Components Datasheet

STA309B Datasheet

Multichannel digital audio processor

No Preview Available !

STA309B pdf
Contents
Contents
STA309B
1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2 Pin connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.3 Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.4 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5 I2C bus operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.1 Communication protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.1.1 Data transition or change . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.1.2 Start condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.1.3 Stop condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.1.4 Data input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.2 Device addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.3 Write operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5.3.1 Byte write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5.3.2 Multi-byte write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6 Application reference schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
7 Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
7.1 Register summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
7.2 Register description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
7.2.1 Configuration register A (0x00) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
7.2.2 Configuration register B (0x01) - serial input formats . . . . . . . . . . . . . . 24
7.2.3 Configuration register C (0x02) - serial output formats . . . . . . . . . . . . . 26
7.2.4 Configuration register D (0x03) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
7.2.5 Configuration register E (0x04) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
7.2.6 Configuration register F (0x05) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
2/66 Doc ID 022570 Rev 2


Part Number STA309B
Description Multichannel digital audio processor
Maker STMicroelectronics
Total Page 30 Pages
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