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AK4951 Datasheet(PDF) 4 Page - Asahi Kasei Microsystems

Part # AK4951
Description  24bit Stereo CODEC with MIC/HP/SPK-AMP
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Manufacturer  AKM [Asahi Kasei Microsystems]
Direct Link  http://www.akm.com
Logo AKM - Asahi Kasei Microsystems

AK4951 Datasheet(HTML) 4 Page - Asahi Kasei Microsystems

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[AK4951]
014008541-E-01
2015/09
- 4 -
■ BEEP Input ............................................................................................................................................. 63
■ Charge Pump Circuit............................................................................................................................... 65
■ Headphone Amplifier (HPL/HPR pins).................................................................................................. 65
■ Speaker Output (SPP/SPN pins, LOSEL bit = “0”)................................................................................ 66
■ Thermal Shutdown Function................................................................................................................... 67
■ Stereo Line Output (LOUT/ROUT pin, LOSEL bit = “1”) .................................................................... 68
■ Regulator Block ...................................................................................................................................... 70
■ Serial Control Interface........................................................................................................................... 71
■ Register Map........................................................................................................................................... 77
■ Register Definitions ................................................................................................................................ 79
10. Recommended External Circuits.............................................................................................................. 93
11. Control Sequence ..................................................................................................................................... 97
■ Clock Set Up........................................................................................................................................... 97
■ Microphone Input Recording (Stereo) .................................................................................................. 100
■ Digital Microphone Input (Stereo)........................................................................................................ 101
■ Headphone Amplifier Output ............................................................................................................... 102
■ Beep Signal Output from Headphone Amplifier .................................................................................. 103
■ Speaker Amplifier Output..................................................................................................................... 105
■ Beep Signal Output from Speaker Amplifier........................................................................................ 106
■ Stop of Clock ........................................................................................................................................ 107
■ Power Down ......................................................................................................................................... 108
12. Package .................................................................................................................................................. 109
■ AK4951EN Outline Dimensions .......................................................................................................... 109
■ AK4951EN Material & Lead finish...................................................................................................... 109
■ AK4951EN Marking............................................................................................................................. 109
■ AK4951EG Outline Dimensions .......................................................................................................... 110
■ AK4951EG Material & Lead finish...................................................................................................... 110
■ AK4951EG Marking............................................................................................................................. 110
REVISION HISTORY .................................................................................................................................. 111
IMPORTANT NOTICE ................................................................................................................................ 111


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