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CS4297 Datasheet, PDF (10/46 Pages) Cirrus Logic – CrystalClear SoundFusion Audio Codec 97 | |||
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CS4297
CrystalClear⢠SoundFusion⢠Audio Codec â97
PARAMETER AND TERM DEFINITIONS
ACâ97 Specification
Refers to the Audio Codec â97 Component Specification Ver 1.03 published by Intel®
Corporation [1].
ACâ97 Controller
Refers to the control chip which interfaces to the CS4297âs AC-Link. This has been also called
âDCâ97â [1].
âsetâ
Refers to a digital value of Vcc, â1â, or âhighâ.
âclearâ or âclearedâ
Refers to a digital value of GND, â0â or âlowâ.
ACâ97 Registers
Refers to the 64-field register map defined in the ACâ97 Specification.
ADC
Refers to a single Analog-to-Digital converter in the CS4297. âADCsâ refers to the stereo pair
of Analog-to-Digital converters.
DAC
A single Digital-to-Analog converter in the CS4297. âDACsâ refers to the stereo pair of
Digital-to-Analog converters.
Codec
Refers to the set of ADCs, DACs, and Analog mixer portions of the CS4297.
FFT
Fast Fourier Transform.
Resolution
The number of bits in the output words to the DACs, and in the input words to the ADCs.
Differential Nonlinearity
The worst case deviation from the ideal code width. Units in LSB.
dB FS A
dB FS is defined as dB relative to full-scale. The âAâ indicates an A weighting filter was used.
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