CS4297 데이터 시트보기 (PDF) - Cirrus Logic
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CS4297 Datasheet PDF : 46 Pages
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CS4297
CrystalClear™ SoundFusion™ Audio Codec ’97
PARAMETER AND TERM DEFINITIONS
AC’97 Specification
Refers to the Audio Codec ‘97 Component Specification Ver 1.03 published by Intel®
Corporation [1].
AC’97 Controller
Refers to the control chip which interfaces to the CS4297’s AC-Link. This has been also called
“DC’97” [1].
‘set’
Refers to a digital value of Vcc, “1”, or “high”.
‘clear’ or ‘cleared’
Refers to a digital value of GND, “0” or “low”.
AC’97 Registers
Refers to the 64-field register map defined in the AC’97 Specification.
ADC
Refers to a single Analog-to-Digital converter in the CS4297. “ADCs” refers to the stereo pair
of Analog-to-Digital converters.
DAC
A single Digital-to-Analog converter in the CS4297. “DACs” 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 “A” indicates an A weighting filter was used.
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DS242F5
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