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STMicroelectronics Electronic Components Datasheet

STA326 Datasheet

2.1 channel high-efficiency digital audio system

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STA326 pdf
STA326
2.1-channel high-efficiency digital audio system
Datasheet - production data
Bass/treble tone control
Dual independent programmable
limiters/compressors
Automodes
– 32 preset EQ curves
– 15 preset crossover settings
– Auto volume-controlled loudness
– 3 preset volume curves
PowerSO-36
with exposed pad up
– 2 preset anti-clipping modes
– Preset nighttime listening mode
– Preset TV AGC
Input and output channel mapping
Features
Wide supply voltage range (10 V - 36 V)
Three power output configurations
– 2 x 40 W + 1 x 80 W
– 2 x 80 W
– 1 x 160 W
AM noise-reduction and PWM
frequency-shifting modes
Software volume update and muting
Auto zero detect and invalid input detect
muting
Selectable DDX® ternary or binary PWM
output + variable PWM speeds
PowerSO-36 package (exposed pad up (EPU))
2.1 channels of 24-bit DDX®
100-dB SNR and dynamic range
32 kHz to 192 kHz input sample rates
Digital gain/attenuation +48 dB to -80 dB in
0.5-dB steps
Four 28-bit user-programmable biquads (EQ)
per channel
I2C control
2-channel I2S input data interface
Selectable de-emphasis
Post-EQ user-programmable mix with default
2.1 bass-management settings
Variable max power correction for lower full-
power THD
Four output routing configurations
Selectable clock input ratio
96 kHz internal processing sample rate, 24 to
28-bit precision
Video application supports 576 * fs input mode
Individual channel and master gain/attenuation
Individual channel and master soft/hard mute
Individual channel volume and EQ bypass
Table 1. Device summary
Order code
Package
Packaging
STA32613TR
PowerSO-36 EPU
Tape and reel
January 2016
This is information on a product in full production.
DocID11531 Rev 9
1/64
www.st.com


STMicroelectronics Electronic Components Datasheet

STA326 Datasheet

2.1 channel high-efficiency digital audio system

No Preview Available !

STA326 pdf
Contents
Contents
STA326
1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
1.1 EQ processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1.2 Output configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2 Pin out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.1 Package pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.2 Pin list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.3 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.1 General interface specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.2 DC electrical specifications (3.3 V buffers) . . . . . . . . . . . . . . . . . . . . . . . . 14
3.3 Power electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4 Power supply and control sequencing . . . . . . . . . . . . . . . . . . . . . . . . . 16
5 Characterization curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
6 I2C bus specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6.1 Communication protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6.2 Device addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6.3 Write operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
6.4 Read operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
7 Register description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
7.1 Configuration register A (addr 0x00) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
7.2 Configuration register B (addr 0x01) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
7.3 Configuration register C (addr 0x02) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
7.3.1 DDX® power output mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
7.3.2 DDX® variable compensating pulse size . . . . . . . . . . . . . . . . . . . . . . . . 29
7.4 Configuration register D (addr 0x03) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
7.5 Configuration register E (addr 0x04) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
7.6 Configuration register F (addr 0x05) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
2/64 DocID11531 Rev 9


Part Number STA326
Description 2.1 channel high-efficiency digital audio system
Maker STMicroelectronics
Total Page 30 Pages
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