參數(shù)資料
型號(hào)： CS4205-KQZ
廠商： Cirrus Logic Inc
文件頁數(shù)： 76/81頁
文件大?。?/td> 0K
描述： IC CODEC AC97 I2S 48-LQFP
標(biāo)準(zhǔn)包裝： 250
類型： 音頻編解碼器 '97
數(shù)據(jù)接口： 串行
分辨率（位）： 18，20 b
ADC / DAC 數(shù)量： 1 / 2
三角積分調(diào)變： 是
動(dòng)態(tài)范圍，標(biāo)準(zhǔn) ADC / DAC (db)： 90 / 90
電壓 - 電源，模擬： 4.75 V ~ 5.25 V
電壓 - 電源，數(shù)字： 4.75 V ~ 5.25 V
工作溫度： 0°C ~ 70°C
安裝類型： 表面貼裝
封裝/外殼： 48-LQFP
供應(yīng)商設(shè)備封裝： 48-TQFP（9x9）
包裝： 托盤
產(chǎn)品目錄頁面： 754 (CN2011-ZH PDF)
其它名稱： 598-1182
CS4205
78
DS489PP4
Interchannel Isolation
The amount of 1 kHz signal present on the output of the grounded AC-coupled line input channel with 1
kHz, 0 dB, signal present on the other line input channel. Units are in dB.
Line-level
Refers to a consumer equipment compatible, voltage driven interface. The term implies a low driver
impedance and a minimum 10 k
load impedance.
PATHS
A-D: Analog in, through the ADCs, onto the serial link.
D-A: Serial interface inputs through the DACs to the analog output.
A-A: Analog in to Analog out (analog mixer).
PC 99
Refers to the PC 99 System Design Guide published by the Microsoft Corporation [7].
PC 2001
Refers to the PC 2001 System Design Guide published by the Microsoft Corporation [8].
PLL
Phase Lock Loop. Circuitry for generating a desired clock from an external clock source.
Resolution
The number of bits in the output words to the DACs, and in the input words to the ADCs.
Signal to Noise Ratio (SNR)
SNR, similar to DR, is the ratio of an arbitrary sinusoidal input signal to the RMS sum of the noise floor,
in the presence of a signal. It is measured over a 20 Hz to 20 kHz bandwidth with units in dB.
S/PDIF
Sony/Phillips Digital Interface. This interface was established as a means of digitally interconnecting
consumer audio equipment. The documentation for S/PDIF has been superseded by the IEC-958
consumer digital interface document.
SRC
Sample Rate Converter. Converts data derived at one sample rate to a differing sample rate. The
CS4205 operates at a fixed sample frequency of 48 kHz. The internal sample rate converters are used
to convert digital audio streams playing back at other frequencies to 48 kHz.
Total Harmonic Distortion plus Noise (THD+N)
THD+N is the ratio of the RMS sum of all non-fundamental frequency components, divided by the RMS
full-scale signal level. It is tested using a -3 dB FS input signal and is measured over a 20 Hz to 20 kHz
bandwidth with units in dB FS.
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