CS4299-JQ Cirrus Logic Inc, CS4299-JQ Datasheet - Page 47
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CS4299-JQ
Manufacturer Part Number
CS4299-JQ
Description
Audio Codec 1ADC / 1DAC 18-Bit/20-Bit 48-Pin LQFP
Manufacturer
Cirrus Logic Inc
Type
PCMr
Datasheet
1.CS4299-JQ.pdf
(52 pages)
Specifications of CS4299-JQ
Package
48LQFP
Adc/dac Resolution
18/20 Bit
Number Of Channels
1ADC /1 DAC
Sampling Rate
48 KSPS
Number Of Adc Inputs
8
Number Of Dac Outputs
3
Number Of Dacs
1
Operating Supply Voltage
3.3|5 V
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DS319PP6
10. PARAMETER AND TERM DEFINITIONS
AC ’97 Specification
AC ’97 Controller or Controller
AC ’97 Registers or Codec Registers
ADC
Codec
DAC
dB FS A
Differential Nonlinearity
Dynamic Range (DR)
FFT
Frequency Response (FR)
Fs
Interchannel Gain Mismatch
Refers to the Audio Codec ’97 Component Specification Ver 2.1 published by the Intel
Refers to the control chip which interfaces to the audio codec AC-link. This has been also called DC ’97
for Digital Controller ’97 [6].
Refers to the 64-field register map defined in the AC ’97 Specification.
Refers to a single Analog-to-Digital converter in the CS4299. “ADCs” refers to the stereo pair of
Analog-to-Digital converters. The CS4299 ADCs have 18-bit resolution.
Refers to the chip containing the ADCs, DACs, and analog mixer. In this data sheet, the codec is the
CS4299.
Refers to a single Digital-to-Analog converter in the CS4299. “DACs” refers to the stereo pair of
Digital-to-Analog converters. The CS4299 DACs have 20-bit resolution.
dB FS is defined as dB relative to full-scale. The “A” indicates an A weighting filter was used.
The worst case deviation from the ideal code width. Units in LSB.
DR is the ratio of the RMS full-scale signal level divided by the RMS sum of the noise floor, in the
presence of a signal, available at any instant in time (no change in gain settings between
measurements). Measured over a 20 Hz to 20 kHz bandwidth with units in dB FS A.
Fast Fourier Transform.
FR is the deviation in signal level verses frequency. The 0 dB reference point is 1 kHz. The amplitude
corner, Ac, lists the maximum deviation in amplitude above and below the 1 kHz reference point. The
listed minimum and maximum frequencies are guaranteed to be within the Ac from minimum frequency
to maximum frequency inclusive.
Sampling Frequency.
For the ADCs, the difference in input voltage to get an equal code on both channels. For the DACs, the
difference in output voltages for each channel when both channels are fed the same code. Units are in
dB.
®
Corporation [6].
CS4299
CS4299
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