參數(shù)資料
型號(hào)： CDB4222
廠商： Cirrus Logic, Inc.
元件分類： Codec
英文描述： 20-Bit Stereo Audio Codec with Volume Control
中文描述： 20帶有音量位立體聲音頻編解碼器控制
文件頁(yè)數(shù)： 24/26頁(yè)
文件大?。?/td> 580K
代理商： CDB4222
Idle Channel Noise / Signal-to-Noise-Ratio
The ratio of the rms analog output level with 1kHz full scale digital input to the rms analog
output level with all zeros into the digital input. Measured A-weighted over a 10Hz to 20kHz
bandwidth. Units in decibels. This specification has been standardized by the Audio
Engineering Society, AES17-1991, and referred to as Idle Channel Noise. This specification has
also been standardized by the Electronic Industries Association of Japan, EIAJ CP-307, and
referred to as Signal-to-Noise-Ratio.
Total Harmonic Distortion (THD)
THD is the ratio of the test signal amplitude to the rms sum of all the in-band harmonics of the
test signal. Units in decibels.
Interchannel Isolation
A measure of crosstalk between channels. Measured for each channel at the converter’s output
with no signal to the input under test and a full-scale signal applied to the other channel. Units
in decibels.
Frequency Response
A measure of the amplitude response variation from 20Hz to 20kHz relative to the amplitude
response at 1kHz. Units in decibels.
Interchannel Gain Mismatch
For the ADCs, the difference in input voltage that generates the full scale code for each
channel. For the DACs, the difference in output voltages for each channel with a full scale
digital input. Units are in decibels.
Gain Error
The deviation from the nominal full scale output for a full scale input.
Gain Drift
The change in gain value with temperature. Units in ppm/°C.
Offset Error
For the ADCs, the deviation in LSB’s of the output from mid-scale with the selected inputs tied
to a common potential. For the DAC’s, the differential output voltage with mid-scale input
code. Units are in volts.
CS4222
24
DS236PP3
相關(guān)PDF資料
PDF描述
CDB4224 24-Bit 105 dB Audio Codec with Volume Control
CDB4223 24-Bit 105 dB Audio Codec with Volume Control
CDB4225 Digital Audio Conversion System
CDB4226 Surround Sound Codec
CDB4228A 24-Bit, 96 kHz Surround Sound Codec
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CDB4223 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:24-Bit 105 dB Audio Codec with Volume Control
CDB4224 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:24-Bit 105 dB Audio Codec with Volume Control
CDB4225 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:Digital Audio Conversion System
CDB4226 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:Surround Sound Codec
CDB4227 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:Six Channel, 20-Bit Codec
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