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STA323W 반도체 회로 부품 판매점

2.1 channel high-efficiency digital audio system



ST Microelectronics 로고
ST Microelectronics
STA323W 데이터시트, 핀배열, 회로
STA323W
2.1 channel high-efficiency digital audio system
PowerSO-36
(slug down)
Features
Wide supply voltage range (10 V - 36 V)
Three power output configurations
– 2 x 10 W + 1 x 20 W
– 2 x 20 W
– 1 x 40 W
Thermal protection
Under-voltage protection
Short-circuit protection
PowerSO-36 slug down package
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
Individual channel and master gain/attenuation
Individual channel and master soft and hard
mute
Datasheet - production data
Individual channel volume and EQ bypass
DDX® POP free operation
Bass/treble tone control
Dual independent programmable
limiters/compressors
AutoModes™ settings for:
– 32 preset EQ curves
– 15 preset crossover settings
– Auto volume controlled loudness
– 3 preset volume curves
– 2 preset anti-clipping modes
– Preset night-time listening mode
– Preset TV AGC
Input and output channel mapping
AM noise-reduction and PWM frequency
shifting modes
Soft volume update and muting
Auto zero detect and invalid input detect
muting selectable DDX® ternary or binary
PWM output plus variable PWM speeds
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
Table 1. Device summary
Order code
Package
STA323W13TR
PowerSO-36 in tape & reel
February 2014
This is information on a product in full production.
DocID11535 Rev 7
1/78
www.st.com


STA323W 데이터시트, 핀배열, 회로
Contents
Contents
STA323W
1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
1.1 EQ processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
1.2 Output options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
2 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3 Pin out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.1 Pin numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4.1 General interface specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4.2 DC electrical specifications (3.3 V buffers) . . . . . . . . . . . . . . . . . . . . . . . . 18
4.3 Power electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
4.4 Timing specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4.5 Power supply and control sequencing . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
5 Electrical characteristics curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
5.1 Output power against supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
5.2 Audio performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
5.2.1
5.2.2
5.2.3
Stereo mode, operation with VCC = 26 V, 8 load . . . . . . . . . . . . . . . . 23
Stereo mode, operation with VCC = 18.5 V . . . . . . . . . . . . . . . . . . . . . . 24
Half-bridge binary mode, operation with Vcc = 18.5 V . . . . . . . . . . . . . . 28
6 I²C bus specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
6.1 Communication protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
6.2 Device addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
6.3 Write operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
6.4 Read operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
7 Register descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
7.1 Configuration register A (address 0x00) . . . . . . . . . . . . . . . . . . . . . . . . . . 37
7.1.1 Master clock select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
2/78 DocID11535 Rev 7




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STA323W data

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[ 홈페이지 ]

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STA323W

2.1 channel high-efficiency digital audio system - ST Microelectronics