DA7210 datasheet(2/119 Pages) RENESAS

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DA7210

Ultra-low power stereo codec

Datasheet

Revision 3.2

23-Dec-2021

CFR0011-120-00 Rev 5

2 of 118

Contents

General description............................................................................................................................. 1

Key features ......................................................................................................................................... 1

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

Contents ............................................................................................................................................... 2

Figures.................................................................................................................................................. 3

Tables ................................................................................................................................................... 4

Terms and definitions ................................................................................................................... 8

Block diagram................................................................................................................................ 9

Pinout ........................................................................................................................................... 10

3.1

The 49-ball DA7210 device................................................................................................. 13

Absolute maximum ratings ........................................................................................................ 14

Recommended operating conditions........................................................................................ 14

Electrical characteristics ............................................................................................................ 15

Timing characteristics ................................................................................................................ 23

7.1

Digital audio interface timing - I2S/DSP (in master/slave mode) ........................................ 23

7.2

Digital audio control timing - 2-wire control timing .............................................................. 24

7.3

Digital audio interface timing - 4-wire control timing ........................................................... 25

Functional description................................................................................................................ 27

8.1

Stereo codec ....................................................................................................................... 27

8.1.1

Input signal chain................................................................................................. 27

8.1.2

Microphone inputs ............................................................................................... 28

8.1.3

Auxiliary inputs..................................................................................................... 28

8.1.4

Stereo audio ADC................................................................................................ 29

8.1.5

Automatic level control (ALC) .............................................................................. 31

8.1.6

Noise gate............................................................................................................ 33

8.2

Output signal chain ............................................................................................................. 33

8.2.1

Stereo audio DAC................................................................................................ 33

8.2.2

Soft mute ............................................................................................................. 34

8.2.3

Output mixer and line-out amplifier...................................................................... 35

8.2.4

Headphone amplifier............................................................................................ 38

8.2.5

Ambient noise suppression ................................................................................. 39

8.2.6

Digital signal processing engine .......................................................................... 39

8.3

Programming the general purpose filter.............................................................................. 41

8.4

Hi-Fi recording..................................................................................................................... 42

8.4.1

5-band equaliser for recording path..................................................................... 42

8.4.2

Digital audio processing for the record path ........................................................ 45

8.5

Hi-Fi playback ..................................................................................................................... 46

8.5.1

5-band equaliser for playback path ..................................................................... 46

8.5.2

Digital audio processing for playback path .......................................................... 46

8.6

Telephone/Bluetooth voice recording/playback at low sample rates.................................. 48

8.6.1

Voice filtering for recording at low sample rates.................................................. 48

8.6.2

Voice filtering for playback at low sample rates .................................................. 49

8.6.3

Digital audio processing for phone applications .................................................. 51

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