Audio/Video Receiver

Highlighted by the CS49844 audio DSP (for high-definition AVRs) and a complete library of software algorithms and user-friendly tools, Cirrus Logic provides tailor-made products for audio/video receivers (AVRs). Additional audio products, including a/d converter (ADC), clock circuits / clock timing, interface products such as SPDIF transceiver and audio digital/analog converters (DACs), ensure a wide variety of options depending upon the desired features and performance.

Audio/Video Receiver


Audio DSP
  • Single chip solution for Dolby ATMOS and DTS:X
  • Multichannel decoding and post processing
  • Triple/Quad core 32 bit DSP
  • I²S and S/PDIF
  • Serial control ports
  • Cirrus DSP tool support
Codec
  • Integrated 2/8 channel 24 bit audio codec
    • 2 ADC, 114 dB SNR, -100 dB THD+N
    • 8 DAC, 114 dB SNR, -100 dB THD+N
  • Up to 192 kHz sample rate
  • Integrated S/PDIF receiver with 8:2 input mux
  • Digital volume control with soft ramp
A/D Converter
  • 103 dB dynamic range, -95 dB THD+N
  • Stereo 24 bit ADC with 6:1 input mux
  • Up to 192 kHz sample rate
  • Power-down mode
D/A Converter
  • 114 dB dynamic range, -100 dB THD+N
  • 8 channel 24 bit DAC
  • Up to 192 kHz sample rate
  • Selectable digital filters
  • Direct Stream Digital® mode (SACD)
S/PDIF Interface
  • S/PDIF [IEC60958-3] compliant
  • 8-ch receiver input and 1-ch transmit output
  • Up to 192 kHz sample rate
  • Auto frequency detection / synchronization
Clock Generation
  • Fractional-N clock synthesizer
    • 6 to 75 MHz clock from 8 to 75 MHz reference
  • Clock multiplier with jitter reduction
    • 6 to 75 MHz clock from jittery 50 Hz to 30 MHz source
  • Max error < 1 PPM in high resolution mode

Audio DSPs

Supported Products

Codecs

Supported Products
  • CS4270
    105 dB, 24-Bit, 192 kHz Stereo Audio Codec
  • CS4272
    114 dB, 24-Bit, 192 kHz Stereo Codec
  • CS42528
    110/114 dB, 192 kHz, 2-in, 8-out Multi-Channel Codecs with S/PDIF Receiver
  • WM8776
    CODEC with 5 Input Selector

Audio ADC

Supported Products
  • CS5346
    103 dB A/D Converter with 6:1 Mux
  • CS5364/66/68
    114 dB, 192 kHz 4-, 6- and 8-Channel A/D Converters
  • CS5381
    120 dB, 192 kHz Stereo A/D Converter

Audio DAC

Supported Products
  • CS4365/85
    114 dB, 24-bit, 192 kHz, 6- and 8-Channel D/A Converters with DSD Support, Low-Latency Digital Filtering and TDM Interface
  • CS4398
    120 dB, 24-Bit, 192 kHz Stereo D/A Converter with DSD Support
  • WM8741
    High Performance Stereo DAC

S/PDIF

Supported Products
  • WM8805
    S/PDIF Digital Interface Transceiver
  • CS8422
    24-bit, 192 kHz, Asynchronous Stereo Sample-Rate Converter

Clock Generation

Supported Products
  • CS2000
    Clock Generation and Multiplication/Jitter Reduction Solution

SoundClear® Playback Features:

Audio Decode
  • Dolby Digital
  • Dolby Digital Plus
  • DTS 5.1
  • DTS M6
  • Dolby True HD
  • DTS HD Master
  • Dolby ATMOS
  • DTS:X
Audio Enhance
  • Pro Logic II X
  • Dolby Headphone II
  • DTS Neo X
  • DTS WOW HDX
  • Audyssey DSX
  • Cirrus Virtualization
  • Cirrus Crossbar Mixer
  • DTS SS HD
  • DTS Headphone X
Audio Post Process
  • Dolby Volume
  • Cirrus Parametric EQ
  • Cirrus Bass Manager
  • Cirrus Delay Manager
  • Cirrus Primitives
  • DTS TruBass
  • DTS TruVolume
  • THX Select2 Plus
  • THX Ultra2 Plus
  • Audyssey Dynamic EQ
  • Audyssey Dynamic Volume
  • Audyssey MultiEQ Pro
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