DA7217 datasheet(3/171 Pages) DIALOG

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DA7217

Ultra-Low Power Stereo Codec

Datasheet

Revision 2.5

01 Sep 2016

CFR0011-120-00

3 of 171

Contents

General Description ............................................................................................................................ 1

Key Features ........................................................................................................................................ 1

Applications ......................................................................................................................................... 1

System Diagram .................................................................................................................................. 2

Contents ............................................................................................................................................... 3

Terms and Definitions................................................................................................................... 7

Terminology ................................................................................................................................... 8

Block Diagram ............................................................................................................................... 9

Pinout ............................................................................................................................................. 9

4.1

Input Pins ............................................................................................................................ 11

4.1.1

MIC1_P (DMIC1CLK) .......................................................................................... 11

4.1.2

MIC1_N (DMIC1IN) ............................................................................................. 11

4.1.3

MIC2_P (DMIC2CLK) .......................................................................................... 11

4.1.4

MIC2_N (DMIC2IN) ............................................................................................. 11

4.1.5

MCLK ................................................................................................................... 11

4.1.6

SCL ...................................................................................................................... 12

4.1.7

AD ........................................................................................................................ 12

4.1.8

DATIN .................................................................................................................. 12

4.2

Output Pins ......................................................................................................................... 12

4.2.1

nIRQ..................................................................................................................... 12

4.2.2

DATOUT .............................................................................................................. 12

4.3

Bi-Directional Pins ............................................................................................................... 12

4.3.1

SDA...................................................................................................................... 12

4.3.2

BCLK.................................................................................................................... 12

4.3.3

WCLK................................................................................................................... 12

4.4

Differential Headphone Pins ............................................................................................... 12

4.4.1

HPL_P.................................................................................................................. 12

4.4.2

HPL_N ................................................................................................................. 12

4.4.3

HPR_P ................................................................................................................. 12

4.4.4

HPR_N................................................................................................................. 13

4.5

Charge Pump Pins .............................................................................................................. 13

4.5.1

HPCSP................................................................................................................. 13

4.5.2

HPCSN ................................................................................................................ 13

4.5.3

HPCFP................................................................................................................. 13

4.5.4

HPCFN................................................................................................................. 13

4.6

References .......................................................................................................................... 13

4.6.1

VMID .................................................................................................................... 13

4.6.2

DACREF .............................................................................................................. 13

4.6.3

VREF ................................................................................................................... 13

4.6.4

MICBIAS1 ............................................................................................................ 13

4.6.5

MICBIAS2 ............................................................................................................ 13

4.6.6

VDDDIG ............................................................................................................... 13

4.7

Supply Pins ......................................................................................................................... 14

4.7.1

VDD ..................................................................................................................... 14

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