[AK5554]
015099864-J-01 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 mode (PCM mode, DSD mode) ................................................................ 46
■ CH Power Down & Channel Summation (PCM mode, DSD mode) ................................................. 46
■ データスロット配置 .......................................................................................................................... 50
■ ディジタルフィルタ選択機能 (PCM mode) ...................................................................................... 51
■ ディジタルHPF (PCM mode) ............................................................................................................ 51
■ オーバフロー検出機能 (PCM mode , DSD mode) ............................................................................ 51
■ LDO ................................................................................................................................................... 52
■ リセット ............................................................................................................................................ 52
■ パワーアップ/ダウンシーケンス例 ................................................................................................. 53
■ 動作モードコントロール ................................................................................................................... 56
■ レジスタコントロールインタフェース ............................................................................................. 56
■ レジスタマップ ................................................................................................................................. 62
■ レジスタ詳細説明 .............................................................................................................................. 62
13. 外部接続回路例 ............................................................................................................................. 65
14. パッケージ ..................................................................................................................................... 68
■ 外形寸法図 ......................................................................................................................................... 68
■ 材質・メッキ仕様 .............................................................................................................................. 68
■ マーキング ......................................................................................................................................... 68
15. オーダリングガイド ...................................................................................................................... 69