D2-45057_14 Datasheet, PDF (28/31 Pages) Intersil Corporation – Intelligent Digital Amplifier PWM Controller and Audio Processor

S/PDIF
Digital Input
I²S
Digital Input
Input Select
S/PDIF
2
DIGITAL
SRC
2x2
Mixer
Compressor 1
Compressor 2
Licensed
Audio
Processing
Algorithm
*(See Note)
Tone 1
Tone 2
5 Band EQ 1
5 Band EQ 2
Speaker EQ 1
Speaker EQ 2
* NOTE: Device-dependent licensed audio processing algorithm supporting
D2Audio SoundSuite™, or SRS WOW/HD^®. Refer to device ordering
information for part number specifying each algorithm.
Crossovers
1 _{HP 1}
LP 1
2 _{HP 2}
LP 2
3 _{HP 3}
LP 3
4 _{HP 4}
LP 4
5 _{HP 5}
LP 5
3 Band EQ 1
3 Band EQ 1
3 Band EQ 1
3 Band EQ 1
Loudness 1
Limiter 1
Volume 1
Master
Volume
Control
Loudness 2
Loudness 3
Loudness 4
Limiter 2
Limiter 3
Limiter 4
Volume 2
Volume 3
Volume 4
PWM
Channel
Driver
Mapping
Loudness 5
Limiter 5
Volume 5
Configuration Settings
Output stage channel assignment and amplifier topology is programmed with
configuration pin settings. Four output modes are available with combinations
of 4- and 2-quadrant full bridge, and half bridge operation for outputs A-D.
Line and subwoofer output channel assignment is also established by output
mode configuration settings.
1
2
4x4
Router ₃
4
5
2x1
Mixer
Output A
Output B
Output C
Output D
Left Line Out
Right Line Out
Sub Line Out
FIGURE 17. D2-45057, D2-45157 AUDIO SIGNAL FLOW