[AK5556]
015099857-J-02 2020/07
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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
■ 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
■ 使用しないピンの処理について .......................................................................................................... 7
6. 絶対最大定格....................................................................................................................................... 8
7. 推奨動作条件....................................................................................................................................... 8
8. アナログ特性....................................................................................................................................... 9
9. フィルタ特性..................................................................................................................................... 10
■ ADCフィルタ特性 (fs = 48 kHz) ....................................................................................................... 10
■ ADCフィルタ特性 (fs = 96 kHz) ....................................................................................................... 12
■ ADCフィルタ特性 (fs = 192 kHz) ..................................................................................................... 14
■ ADCフィルタ特性 (fs = 384 kHz) ..................................................................................................... 16
■ ADCフィルタ特性 (fs = 768 kHz) ..................................................................................................... 17
10. DC特性 .......................................................................................................................................... 18
11. スイッチング特性.......................................................................................................................... 19
■ タイミング波形 ................................................................................................................................. 26
12. 動作説明 ........................................................................................................................................ 31
■ディジタルコア電源 ........................................................................................................................... 31
■ 出力モード ......................................................................................................................................... 31
■ Master ModeとSlave Mode ............................................................................................................... 31
■ システムクロック .............................................................................................................................. 31
■ オーディオインタフェースフォーマット ......................................................................................... 34
■ Channel Summation (PCM Mode, DSD Mode) ................................................................................ 46
■ Optimal Data Placement (PCM Mode, DSD Mode) ......................................................................... 46
■ CH Power Down & Channel Summation Setting (PCM Mode, DSD Mode) .................................... 47
■ ディジタルフィルタ選択機能 (PCM mode) ..................................................................................... 52
■ ディジタルHPF (PCM Mode) ........................................................................................................... 52
■ オーバフロー検出機能 (PCM Mode , DSD Mode) ............................................................................ 52
■ LDO ................................................................................................................................................... 53
■ リセット ............................................................................................................................................ 53
■ パワーアップ/ダウンシーケンス例 ................................................................................................ 54
■ 動作モードコントロール ................................................................................................................... 57
■ レジスタコントロールインタフェース ............................................................................................. 57
■ レジスタマップ ................................................................................................................................. 63
■ レジスタ詳細説明 .............................................................................................................................. 63
13. 外部接続回路例 ............................................................................................................................. 66
14. パッケージ..................................................................................................................................... 69
■ 外形寸法図 ......................................................................................................................................... 69
■ 材質・メッキ仕様 .............................................................................................................................. 69
■ マーキング ......................................................................................................................................... 69
15. オーダリングガイド ...................................................................................................................... 70
16. 改訂履歴 ........................................................................................................................................ 70
重要な注意事項 ........................................................................................................................................ 71