[AK4438]
016001925-J-00 2016/03
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3. 目次
1. 概 要 .................................................................................................................................................. 1
2. 特 長 .................................................................................................................................................. 1
3. 目次 ...................................................................................................................................................... 2
4. ブロック図と機能説明 ........................................................................................................................ 3
5. ピン配置と機能説明 ............................................................................................................................ 4
■ ピン配置 ............................................................................................................................................. 4
■ ピン機能 ............................................................................................................................................. 5
■ 使用しないピンの処理について ......................................................................................................... 6
6. 絶対最大定格 ....................................................................................................................................... 7
7. 推奨動作条件 ....................................................................................................................................... 7
8. アナログ特性 ....................................................................................................................................... 8
9. フィルタ特性 ....................................................................................................................................... 9
■ Sharp Roll-Off Filter (SD bit = “0”, SLOW bit = “0”) ........................................................................... 9
■ Slow Roll-Off Filter (SD bit = “0”, SLOW bit = “1”) .......................................................................... 10
■ Short Delay Sharp Roll-Off Filter (SD bit = “1”, SLOW bit = “0”) .................................................... 11
■ Short Delay Slow Roll-Off Filter (SD bit = “1”, SLOW bit = “1”) ....................................................... 12
10. DC特性 ........................................................................................................................................... 13
11. スイッチング特性 .......................................................................................................................... 14
■ タイミング波形 ................................................................................................................................ 17
12. 動作説明 ......................................................................................................................................... 21
■ システムクロック ............................................................................................................................ 21
■ ディエンファシスフィルタ .............................................................................................................. 24
■ オーディオインタフェースフォーマット ........................................................................................ 25
■ ディジタルフィルタ ......................................................................................................................... 34
■ ゼロ検出機能 .................................................................................................................................... 34
■ ディジタルボリューム機能 .............................................................................................................. 35
■ LRチャネル出力信号選択機能 ......................................................................................................... 36
■ ソフトミュート機能 ......................................................................................................................... 38
■ エラー検出 ....................................................................................................................................... 39
■ システムリセット ............................................................................................................................ 39
■ パワーダウン機能 ............................................................................................................................ 40
■ パワーオフ、リセット機能 .............................................................................................................. 41
■ クロック同期化機能 ......................................................................................................................... 45
■ パラレルモード ................................................................................................................................ 47
■ オーディオインターフェース .......................................................................................................... 47
■ ソフトミュート ................................................................................................................................ 47
■ シリアルコントロールインタフェース............................................................................................ 48
■ レジスタマップ ................................................................................................................................ 52
■ 詳細説明 ........................................................................................................................................... 53
13. 外部接続回路例 .............................................................................................................................. 58
■ システム接続例 ................................................................................................................................ 58
14. パッケージ ..................................................................................................................................... 61
■ 外形寸法図 ....................................................................................................................................... 61
■ 材質・メッキ仕様 ............................................................................................................................ 61
■ マーキング ....................................................................................................................................... 62
15. オーダリングガイド ....................................................................................................................... 62
■ オーダリングガイド ......................................................................................................................... 62
16. 改訂履歴 ......................................................................................................................................... 62
重要な注意事項 ........................................................................................................................................ 63