DATASHEET D2-1 Family Audio SOC FN6786 Rev. 3.00 D2-1 Family for Manufacturers of High-Performance Class-D Audio Amplifiers Mar 18, 2019 The D2 Audio DSP D2-1 Family (D2-81412, D2-81431, High-Performance Sound D2-81433, and D2-81435) is a fully self-contained 4-channel Unique performance for each part number digital amplifier controller System-On-Chip (SOC). The D2-1 Superior dynamic range Family enables rapid system design for manufacturers of home theater receivers, multi-room distributed audio systems, >110 dB SNR, <0.1% THD+N and powered speakers. 20Hz-20kHz 0.5dB frequency response The D2-1 Family contains a high-performance digital switching controller to play any input source on any output channel. Graceful Protection and Recovery Complete short-circuit, overcurrent, and overvoltage fault A configurable audio signal processor provides equalization, protection volume control, tone control, and compression for each channel, as well as crossover and power limiting for powered Pure Digital Path speaker applications. 2 Digital audio inputs support I S and left-justified formats 2 The D2-1 Family includes 4-channels I S/left-justified inputs with linear PCM (32kHz to 192kHz, 16-bit to 24-bit) (16-bit to 24-bit, 32kHz to 192kHz) and an optional S/PDIF Digital audio input supports S/PDIF format with linear PCM receiver (16-bit to 24-bit). (32kHz to 192kHz, 16-bit to 24-bit) Boot options include: Self-boot from an external serial ROM, asynchronous SCI slave boot, and serial slave boot from a host Multiple Part Offerings microcontroller. D2-81412-LR: 144 Ld LQFP supports D2 Audio DSP Sound See the Ordering Information table on page 3 for additional Enhancement Algorithms information about support for D2 Audio DSP Sound D2-81431-LR: 128 Ld LQFP supports D2 Audio DSP Sound Enhancement Algorithms firmware, as well as for SRS Labs Enhancement Algorithms and Dolby Labs algorithm support. D2-81435-LR: 128 Ld LQFP supports D2 Audio DSP Sound Enhancement Algorithms and DTS (SRS) Technology Features Powerful digital audio management: design dependent SRC, Related Literature routing, mixing, multiple digital audio I/O, tone control, For a full list of related documents, visit our website: parametric EQ, and compression Reduced audio system cost for manufacturers of Class-D D2-81412, D2-81431, D2-81433, and D2-81435 device audio amplifiers pages Audio processing features enable optimized speaker performance and deliver dramatically improved sound quality Minimum development cost/risk/time-to-market Pure digital path Superior dynamic range >110dB SNR, <0.1% THD+N 20Hz-20kHz 0.5dB frequency response Complete Class-D Amplifier Controller SOC Digital switching controller Flexible audio input sources Multiple controller synchronization Bridge and non-bridged output topologies Standalone or microcontroller boot option Four channels Pb-free (RoHS compliant) FN6786 Rev. 3.00 Page 1 of 27 Mar 18, 2019D2-1 Family Audio SOC Table of Contents Ordering Information 3 D2-1 Family Architecture . 4 Absolute Maximum Ratings . 5 Thermal Information . 5 Operating Conditions 5 Electrical Specifications . 5 Switching Characteristics, Serial Audio Port 6 Switching Characteristics, 2-Wire Interface . 7 Pin Configuration, 128 Ld LQFP Package . 8 Pin Definitions, 128 Ld LQFP Package 8 Pin Descriptions, 128 Ld Package . 11 Pin Configuration . 14 Pin Definitions, 144 Ld LQFP Package . 14 Pin Descriptions, 144-Pin Package . 17 D2-1 Family Reset and Boot Modes . 20 Reset 20 Boot Modes . 20 Revision History 22 Trademarks 24 Disclaimer for Dolby Technology License Required Notice . 24 Disclaimer for DTS (SRS) Technology License Required Notice 24 Package Outline Drawings . 25 FN6786 Rev. 3.00 Page 2 of 27 Mar 18, 2019