參數(shù)資料
型號(hào)： CDB42438
廠商： Cirrus Logic, Inc.
元件分類： Codec
英文描述： 108 dB, 192 kHz 4-in, 6-out TDM CODEC
中文描述： 108分貝192千赫4 - 6 -出的TDM編解碼器
文件頁(yè)數(shù)： 27/62頁(yè)
文件大?。?/td> 1004K
代理商： CDB42438
DS673PP2
27
5.2
Analog Inputs
5.2.1
AINx+ and AINx- are the line level differential analog inputs internally biased to VQ, approxi-
mately VA/2. Figure 9 on page 27 shows the full-scale analog input levels. The CS42432 also
accommodates single-ended signals on all inputs, AIN1-AIN4. See “ADC Input Filter” on
page 49 for the recommended input filters.
Hardware Mode
AIN Volume Control and ADC Overflow status are not accessible in Hardware Mode.
Software Mode
For single-ended operation on ADC1-ADC2 (AIN1 to AIN4), the ADCx_SINGLE bit in the regis-
ter “ADC Control & DAC De-emphasis (address 05h)” on page 43 must be set appropriately (see
Figure 20 on page 49 for required external components).
The gain/attenuation of the signal can be adjusted for each AINx independently through the
“AINX Volume Control (address 11h-14h)” on page 46. The ADC output data is in 2’s comple-
ment binary format. For inputs above positive full scale or below negative full scale, the ADC will
output 7FFFFFH or 800000H, respectively and cause the ADC Overflow bit in the register “Sta-
tus (address 19h) (Read Only)” on page 47 to be set to a ‘1’.
Line Level Inputs
5.2.2
The high pass filter continuously subtracts a measure of the DC offset from the output of the dec-
imation filter. If the high pass filter is disabled during normal operation, the current value of the
DC offset for the corresponding channel is frozen and this DC offset will continue to be subtract-
High Pass Filter and DC Offset Calibration
ADC Soft Ramp/Zero Cross
DAC Auto-Mute
Status Interrupt
Immediate Change
Enabled
N/A
-
-
-
-
-
-
Hardware Mode Feature Summary
Default Configuration
Function
Hardware Control
Note
Table 2. Hardware Configurable Settings
Full-Scale
Differential
Input Level =
(AINx+) - (AINx-) = 5.6 V
PP
= 1.98 V
RMS
AINx+
AINx-
3.9 V
2.5 V
1.1 V
5.0 V
3.9 V
2.5 V
1.1 V
VA
Figure 9. Full-Scale Input
相關(guān)PDF資料
PDF描述
CDB42448 108 dB, 192 kHz 6-in, 8-out CODEC
CDB4245 105 dB, 24-Bit, 192 kHz Streo Sudio CODEC
CDB42518 110 dB, 192 kHz 6-Ch Codec with S/PDIF Receiver
CDB42528 114 dB, 192 kHz 6-Ch Codec with S/PDIF Receiver
CDB4270 24-Bit, 192 kHz Stereo Audio CODEC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CDB4244 制造商:Cirrus Logic 功能描述:EVAL BD 4 INPUT/ 4 OUTPUT CODEC - Boxed Product (Development Kits) 制造商:Cirrus Logic 功能描述:Eval Board
CDB42448 功能描述:音頻 IC 開(kāi)發(fā)工具 Eval Bd 108dB 8-Ch Mult-Ch CODEC RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V
CDB4245 功能描述:音頻 IC 開(kāi)發(fā)工具 Eval Bd 192kHz CODEC w/PGA & Input Mux RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V
CDB42518 功能描述:音頻 IC 開(kāi)發(fā)工具 Eval Bd RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V
CDB42528 功能描述:音頻 IC 開(kāi)發(fā)工具 Eval Bd RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V
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