參數(shù)資料
型號： CDB42L51
廠商： Cirrus Logic Inc
文件頁數(shù)： 25/43頁
文件大?。?/td> 0K
描述： BOARD EVAL FOR CS42L51 CODEC
標準包裝： 1
主要目的： 音頻編解碼器
嵌入式： 是，其它
已用 IC / 零件： CS42L51，CS8406，CS8415
主要屬性： 立體聲數(shù)字音頻發(fā)射器和接收器
次要屬性： 圖形用戶界面，S/PDIF 接口
已供物品： 板，CD
相關(guān)產(chǎn)品： CS42L51-DNZR-ND - IC CODEC STEREO W/HDPN AMP 32QFN
598-1627-ND - IC CODEC STEREO W/HDPN AMP 32QFN
CS42L51-CNZR-ND - IC CODEC LOW-V 24BIT 32-QFP
598-1045-ND - IC CODEC STEREO W/HDPN AMP 32QFN
其它名稱： 598-1005
DS679F1
31
CS42L51
4.3.5
Analog Input Multiplexer
A stereo 4-to-1 analog input multiplexer selects between a line-level input source, or a mic-level input
source, depending on the PDN_PGAx and AINx_MUX[1:0] bit settings. Signals may be routed to or by-
passed around the PGA. To conserve power, the PGA’s may be powered down allowing the user to select
from multiple line-level sources and route the stereo signal directly to the ADC. When using the MIC pre-
amp, however, the PGA must be powered up.
Analog input channel B may also be used as an output for the MIC bias voltage. The MICBIAS_SEL bit
routes the bias voltage to either of two pins. The multiplexer must then select from the remainder of the
two input channels.
The ADC, PGA and MIC pre-amplifier each has an associated input resistance. When selecting between
these paths, the input resistance to the CODEC will change accordingly. Refer to the input resistance
characteristics in the Characteristic and Specification Tables for the input resistance of each path.
4.3.6
MIC & PGA Gain
The MIC-level input passes through a +16 dB or +32 dB analog gain stage prior to the input multiplexer,
allowing it to be used for microphone level signals without the need for any external gain. The PGA must
be powered up when using the MIC pre-amp.
The PGA stage provides an additional +12 dB to -3 dB of analog gain in 0.5 dB steps.
Software
Controls:
Software
Controls:
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CDB42L51/FAE 制造商:Cirrus Logic 功能描述:EVAL BOARD FOR THE CS42L51 PORTABLE STEREO CODEC - Bulk
CDB42L52 功能描述:音頻 IC 開發(fā)工具 Eval Bd LP CODEC w/classD Spkr Driver RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V
CDB42L52/FAE 制造商:Cirrus Logic 功能描述:EVAL BD LOW-VOLTAGE STEREO CODEC - Bulk
CDB42L55 功能描述:音頻 IC 開發(fā)工具 Eval Bd Ultra Low PWR Stereo Codec RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V
CDB42L56 功能描述:音頻 IC 開發(fā)工具 Eval Bd 24Bit Ultra LP Ster CD w/clH HP RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V
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