參數(shù)資料
型號： CS42L51-CNZR
廠商： Cirrus Logic Inc
文件頁數(shù)： 25/43頁
文件大?。?/td> 0K
描述： IC CODEC LOW-V 24BIT 32-QFP
標準包裝： 6,000
類型： 立體聲音頻
數(shù)據(jù)接口： PCM 音頻接口
分辨率（位）： 24 b
ADC / DAC 數(shù)量： 2 / 2
三角積分調變： 是
動態(tài)范圍，標準 ADC / DAC (db)： 98 / 98
電壓 - 電源，模擬： 1.8V，2.5V
電壓 - 電源，數(shù)字： 1.8V，2.5V
工作溫度： -10°C ~ 70°C
安裝類型： 表面貼裝
封裝/外殼： 32-QFP
供應商設備封裝： 32-QFN 裸露焊盤（5x5）
包裝： 管件
配用： 598-1005-ND - BOARD EVAL FOR CS42L51 CODEC
其它名稱： Q3956082
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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相關代理商/技術參數(shù)
參數(shù)描述
CS42L51-DNZ 功能描述:接口—CODEC LV Stereo Codec F/ Digital Audio Apps RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
CS42L51-DNZR 功能描述:接口—CODEC IC LV Stereo Codec F Digital Audio Apps RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
CS42L52 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:2Low-power, Stereo CODEC w/ Headphone & Speaker Amps
CS42L52_08 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:2Low-power, Stereo CODEC w/ Headphone & Speaker Amps
CS42L52-CNZ 功能描述:接口—CODEC Low Power Stereo CODEC w/ HP+Spkr Amp RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
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