[AK5736]
018001042-J-03 2019/11
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3. 目 次
1. 概 要 .................................................................................................................................................. 1
2. 特 長 .................................................................................................................................................. 1
3. 目 次 .................................................................................................................................................. 2
4. ブロック図 ........................................................................................................................................... 3
5. ピン配置と機能説明 ............................................................................................................................ 4
■ ピン配置 .............................................................................................................................................. 4
■ 機能説明 .............................................................................................................................................. 5
6. 絶対最大定格 ....................................................................................................................................... 8
7. 推奨動作条件 ....................................................................................................................................... 8
8. アナログ特性 ..................................................................................................................................... 10
9. フィルタ特性 ..................................................................................................................................... 15
■ フィルタ特性 (fs = 48kHz) ................................................................................................................ 15
■ フィルタ特性 (fs = 96kHz) ................................................................................................................ 17
■ フィルタ特性 (fs = 192kHz) .............................................................................................................. 19
10. DC特性 .............................................................................................................................................. 21
11. スイッチング特性 .............................................................................................................................. 22
■ システムクロック .............................................................................................................................. 22
■ オーディオインタフェース ............................................................................................................... 26
■ I
2
C Bus, Power-down, Reset ............................................................................................................. 28
■ タイミング波形 ................................................................................................................................. 29
12. 動作説明 ............................................................................................................................................ 34
■ デジィタルコア電源 .......................................................................................................................... 34
■ マスタモードとスレーブモード ........................................................................................................ 34
■ システムクロック .............................................................................................................................. 35
■ クロック停止検出回路....................................................................................................................... 36
■ オーディオインタフェースフォーマット ......................................................................................... 36
■ Synchronization with audio system (SYNCDET) .............................................................................. 40
■ TDMモードにおけるカスケード接続 ................................................................................................ 40
■ デジィタル HPF ................................................................................................................................ 41
■ デジィタルフィルタ選択機能 ............................................................................................................ 41
■ デジィタルボリューム機能 .................................................................................................................. 42
■ パワーアップ/ダウンシーケンス例 ................................................................................................. 43
■ アナログ入力接続 .............................................................................................................................. 45
■ フルスケールクリップ機能 ............................................................................................................... 47
■ マイク入力用Pre Gain Amplifer(PGA) .............................................................................................. 48
■ チャージポンプ ................................................................................................................................. 49
■ マイクバイアス電圧 .......................................................................................................................... 51
■ エラー診断機能 ................................................................................................................................. 52
■ Register Map ..................................................................................................................................... 66
■ 詳細説明 ............................................................................................................................................ 69
13. 外部接続回路例 ................................................................................................................................. 77
■ 保護抵抗 ............................................................................................................................................ 78
14. パッケージ ......................................................................................................................................... 80
■ 外形寸法図 ......................................................................................................................................... 80
■ 材質・メッキ仕様 .............................................................................................................................. 80
■ マーキング ......................................................................................................................................... 80
15. オーダリングガイド .......................................................................................................................... 81
改訂履歴 ................................................................................................................................................... 82
重要な注意事項 ........................................................................................................................................ 83