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PDF STA309B Data sheet ( Hoja de datos )
| Número de pieza | STA309B | |
| Descripción | Multichannel digital audio processor | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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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
1 page  
STA309B
Contents
7.5 Writing a single coefficient to RAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
7.6 Writing a set of coefficients to RAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
8 Equalization and mixing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
8.1 Post-scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
8.2 Variable maximum power correction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
8.2.1 MPCC1-2 (0x4D, 0x4E) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
8.3 Variable distortion compensation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
8.3.1 DCC1-2 (0x4F, 0x50) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
8.4 PSCorrect registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
8.4.1 PSC1-2: ripple correction value (RCV) (0x51, 0x52) . . . . . . . . . . . . . . . 60
8.4.2 PSC3: correction normalization value (CNV) (0x53) . . . . . . . . . . . . . . . 60
8.5 Digital pop-free operation in single-ended mode . . . . . . . . . . . . . . . . . . . 60
8.5.1 PFCXON: digital pop-free register (0x5F) . . . . . . . . . . . . . . . . . . . . . . . 61
8.5.2 Timing settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
8.5.3 RAMPTIM: ramp duration register (0x66) . . . . . . . . . . . . . . . . . . . . . . . 62
8.5.4 TSPUPT: waiting time after EAPD (0x67 - 0x68) . . . . . . . . . . . . . . . . . . 62
8.5.5 LSPDWT: waiting time before EAPD (0x71 - 0x72) . . . . . . . . . . . . . . . . 62
9 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
10 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Doc ID 022570 Rev 2
5/66
5 Page 
STA309B
Table 2. Pin description (continued)
STA309B pin
Type
30
3.3-V capable TTL 2mA output
buffer
33
3.3-V capable TTL 2mA output
buffer
34
3.3-V capable TTL 2mA output
buffer
35
3.3-V capable TTL 2mA output
buffer
36
3.3-V capable TTL 2mA output
buffer
37
3.3-V capable TTL 2mA output
buffer
38
3.3-V capable TTL 2mA output
buffer
41
3.3-V capable TTL 2mA output
buffer
42
3.3-V capable TTL 2mA output
buffer
43
3.3-V capable TTL 2mA output
buffer
44
3.3-V capable TTL 2mA output
buffer
45
3.3-V capable TTL 4mA output
buffer
48
3.3-V capable TTL 2mA output
buffer
49
3.3-V capable TTL 2mA output
buffer
50
3.3-V capable TTL 2mA output
buffer
51
3.3-V capable TTL 2mA output
buffer
54
3.3-V capable TTL 2mA output
buffer
55
3.3-V capable TTL 2mA output
buffer
56
5-V tolerant TTL schmitt trigger
input buffer
3,11,21,24,31,39,
46,52
3.3-V digital supply voltage
2,4,12,20,23,32,
40,47,53
Digital ground
Name
OUT6A
OUT5B
OUT5A
OUT4B
OUT4A
OUT3B
OUT3A
OUT2B
OUT2A
OUT1B
OUT1A
EAPD
BICKO
LRCKO
SDO_12
SDO_34
SDO_56
SDO_78
PWDN
VDD
GND
Pin connections
Description
PWM channel 6 output A
PWM channel 5 output B
PWM channel 5 output A
PWM channel 4 output B
PWM channel 4 output A
PWM channel 3 output B
PWM channel 3 output A
PWM channel 2 output B
PWM channel 2 output A
PWM channel 1 output B
PWM channel 1 output A
Ext. amp power-down
Output serial clock
Output left/right clock
Output serial data channels 1&2
Output serial data channels 3&4
Output serial data channels 5&6
Output serial data channels 7&8
Device power-down
3.3-V supply
Ground
Doc ID 022570 Rev 2
11/66
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet STA309B.PDF ] | |
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