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NAU85L40B डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Quad Audio ADC - nuvoton

भाग संख्या NAU85L40B
समारोह Quad Audio ADC
मैन्युफैक्चरर्स nuvoton 
लोगो nuvoton लोगो 
पूर्व दर्शन
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<?=NAU85L40B?> डेटा पत्रक पीडीएफ

NAU85L40B pdf
NAU85L40B
Table of Contents
BLOCK DIAGRAM ........................................................................................................................................ 1
PIN DIAGRAM .............................................................................................................................................. 4
Ordering Information .................................................................................................................................................4
PIN DESCRIPTION....................................................................................................................................... 5
1 GENERAL DESCRIPTION.................................................................................................................. 9
2 ANALOG INPUTS ............................................................................................................................... 9
2.1 ADC and Digital Signal Processing ............................................................................................................10
2.2 ADC Digital Block .......................................................................................................................................10
2.2.1 Input Limiter / Automatic Level Control (ALC) .....................................................................................11
2.2.2 ADC Digital Volume Control ................................................................................................................15
2.2.3 ADC Programmable High Pass Filter..................................................................................................15
2.2.4 Programmable Notch Filter .................................................................................................................16
2.3 Audio Data Companding ............................................................................................................................16
2.3.1 µ-law ...................................................................................................................................................16
2.3.2 A-law ...................................................................................................................................................17
2.4 Digital Interfaces ........................................................................................................................................17
2.5 Power on and off reset ...............................................................................................................................17
2.6 Reference Voltage Generation...................................................................................................................18
2.7 Microphone Bias Generation......................................................................................................................18
3 CLOCKING AND SAMPLE RATES .................................................................................................. 18
3.1 Frequency Locked Loop (FLL) ...................................................................................................................20
4 CONTROL INTERFACES ................................................................................................................. 21
4.1 Selection of Control Mode ..........................................................................................................................21
4.2 2-Wire-Serial Control Mode (I2C Style Interface)........................................................................................22
4.3 2-Wire Protocol Convention .......................................................................................................................22
4.4 2-Wire Write Operation...............................................................................................................................22
4.5 2-Wire Read Operation ..............................................................................................................................23
4.6 Digital Serial Interface Timing ....................................................................................................................23
4.7 Software Reset...........................................................................................................................................24
5 DIGITAL AUDIO INTERFACE........................................................................................................... 24
5.1 Right-Justified Audio Data..........................................................................................................................24
5.2 Left-Justified Audio Data ............................................................................................................................25
5.3 I2S Audio Data Mode .................................................................................................................................25
5.4 PCM A Audio Data .....................................................................................................................................26
5.5 PCM B Audio Data .....................................................................................................................................26
5.6 PCM Time Slot Audio Data ........................................................................................................................27
5.7 AUDIO INTERFACE TIMING DIAGRAM ...................................................................................................28
5.7.1 AUDIO INTERFACE IN SLAVE MODE...............................................................................................28
5.7.2 AUDIO INTERFACE IN MASTER MODE ...........................................................................................29
5.7.3 PCM AUDIO INTERFACE IN SLAVE MODE (PCM Audo Data) ........................................................29
5.7.4 PCM AUDIO INTERFACE IN MASTER MODE ..................................................................................30
5.7.5 PCM AUDIO INTERFACE IN SLAVE MODE (PCM Time Slot Mode) ................................................30
Nuvoton Technology Corporation America
Tel: 1-408-544-1718
Fax: 1-408-544-1787
Rev. 1.2: May 1, 2017
2

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डाउनलोड[ NAU85L40B Datasheet.PDF ]


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