[AK4432]
015002029-J-00 2015/02
- 2 -
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
■ ブロック図 ......................................................................................................................................... 3
■ AK4436/38、AK4452/54/56/58との相違点 ........................................................................................ 4
5. ピン配置と機能説明 ................................................................................................................. 5
■ オーダリングガイド ........................................................................................................................... 5
■ ピン配置 ............................................................................................................................................. 5
■ ピン機能 ............................................................................................................................................. 6
■ 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(fs=48kHz) ........................................................................................................... 9
■ Sharp Roll-Off Filter (DASD bit = “0”, DASL bit = “0”) ....................................................................... 9
■ Slow Roll-Off Filter (DASD bit = “0”, DASL bit = “1”) ...................................................................... 10
■ Short Delay Sharp Roll-Off Filter (DASD bit = “1”, DASL bit = “0”) ................................................. 11
■ Short Delay Slow Roll-Off Filter (DASD bit = “1”, DASL 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
■ オーディオインタフェースフォーマット ........................................................................................ 23
■ ディジタルボリューム機能 .............................................................................................................. 30
■ ソフトミュート機能 ......................................................................................................................... 31
■ エラー検出 ....................................................................................................................................... 32
■ システムリセット ............................................................................................................................ 32
■ パワーダウン機能 ............................................................................................................................ 33
■ パワーオフ、リセット機能 .............................................................................................................. 34
■ クロック同期化機能 ......................................................................................................................... 35
■ パラレルモード ................................................................................................................................ 36
(1) オーディオインターフェース ......................................................................................................... 36
(2)ソフトミュート ................................................................................................................................ 36
(3) システムクロック ............................................................................................................................ 36
■ シリアルコントロールインタフェース............................................................................................ 37
■ レジスタマップ ................................................................................................................................ 43
■ 詳細説明 ........................................................................................................................................... 44
13. 外部接続回路例 ................................................................................................................... 46
14. パッケージ .......................................................................................................................... 48
■ 外形寸法図 ....................................................................................................................................... 48
■ 材質・メッキ仕様 ............................................................................................................................ 48
■ マーキング ....................................................................................................................................... 49
15. 改訂履歴 .............................................................................................................................. 49
重要な注意事項 ............................................................................................................................. 50