Digital Signal Processor; Digital To Analogue Converters - Bang & Olufsen BeoLab 90 Technical Sound Manual

S/PDIF
Supported Format Linear PCM
Sampling rate Standard sampling rates up to 192 kHz
Word length 24 bits
Optical Connector
Supported Format Linear PCM
Sampling rate Standard sampling rates up to and including 96 kHz
Word length 24 bits
USB Audio Connector
Supported Format Linear PCM
Sampling rate Standard sampling rates up to and including 192 kHz
Word length 24 bits
Wireless Power Link
Supported Format Linear PCM
Sampling rate Standard WiSA sampling rates up to and including 96 kHz (48 kHz standard)
Word length 24 bits
WiSA
Supported Format Linear PCM
Sampling rate Standard WiSA sampling rates up to and including 96 kHz
Word length 24 bits

10.2.3 Digital Signal Processor

Model Analog Devices ADSP-21489
Number 2
Instruction Rate 400 MHz
Sampling rate 192 kHz (fixed)
Notes 32-bit floating point

10.2.4 Digital to Analogue Converters

Note that these specifications include the analogue stages that follow the DAC outputs.
Model Texas Instruments / Burr-Brown PCM1798
Audio Channels 18
Sampling rate 192 kHz (fixed)
Word length 24 bits
Frequency Response 0 Hz to 40 kHz (+ 0 dB, -1 dB)
Frequency Range 0 Hz to 75 kHz (+ 0 dB, -3 dB)
THD+N 0.004% (997 Hz, -1 dB FS, 22 Hz – 20 kHz)
Dynamic Range 122 dB (A) (997 Hz, -60 dB FS, 20Hz – 20kHz, AES17)
Channel Separation 110 dB (20Hz – 20kHz, AES17)
Level Linearity 1 dB (at -120 dB FS)
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