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DA7210-00UC6 Datasheet(PDF) 2 Page - Dialog Semiconductor |
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DA7210-00UC6 Datasheet(HTML) 2 Page - Dialog Semiconductor |
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2 / 113 page  DA7210 Ultra-low power stereo codec Company confidential Datasheet Revision 3a 15-Oct-2015 CFR0011-120-00 Rev 5 2 of 113 © 2015 Dialog Semiconductor Contents General description ............................................................................................................................. 1 Key features ......................................................................................................................................... 1 Applications ......................................................................................................................................... 1 Contents ............................................................................................................................................... 2 Figures.................................................................................................................................................. 3 Tables ................................................................................................................................................... 4 1 Terms and definitions ................................................................................................................... 8 2 Block diagram................................................................................................................................ 9 3 Pinout ........................................................................................................................................... 10 3.1 The 49-ball DA7210 device................................................................................................. 13 4 Absolute maximum ratings ........................................................................................................ 14 5 Recommended operating conditions ........................................................................................ 14 6 Electrical characteristics ............................................................................................................ 15 7 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 8 Functional description ................................................................................................................ 26 8.1 Stereo codec ....................................................................................................................... 26 8.1.1 Input signal chain................................................................................................. 26 8.1.2 Microphone inputs ............................................................................................... 27 8.1.3 Auxiliary inputs..................................................................................................... 27 8.1.4 Stereo audio ADC................................................................................................ 28 8.1.5 Automatic level control (ALC) .............................................................................. 30 8.1.6 Noise gate............................................................................................................ 32 8.2 Output signal chain ............................................................................................................. 32 8.2.1 Stereo audio DAC................................................................................................ 32 8.2.2 Soft mute ............................................................................................................. 33 8.2.3 Output mixer and line-out amplifier...................................................................... 34 8.2.4 Headphone amplifier............................................................................................ 37 8.2.5 Ambient noise suppression ................................................................................. 38 8.2.6 Digital signal processing engine .......................................................................... 38 8.3 Programming the general purpose filter.............................................................................. 40 8.4 Hi-Fi recording..................................................................................................................... 41 8.4.1 5-band equaliser for recording path..................................................................... 41 8.4.2 Digital audio processing for the record path ........................................................ 44 8.5 Hi-Fi playback ..................................................................................................................... 45 8.5.1 5-band equaliser for playback path ..................................................................... 45 8.5.2 Digital audio processing for playback path .......................................................... 45 8.6 Telephone/Bluetooth voice recording/playback at low sample rates .................................. 47 8.6.1 Voice filtering for recording at low sample rates.................................................. 47 8.6.2 Voice filtering for playback at low sample rates .................................................. 48 8.6.3 Digital audio processing for phone applications .................................................. 50 |
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