[AK4558]
015004500-J-02 2017/11
3. 目 次
1. 概 要 .................................................................................................................................................. 1
2. 特 長 .................................................................................................................................................. 1
3. 目 次 .................................................................................................................................................. 3
4. ブロック図と機能説明 ........................................................................................................................ 5
■ ブロック図 ......................................................................................................................................... 5
■ AK4556との比較 ................................................................................................................................ 6
5. ピン配置と機能説明 ............................................................................................................................ 7
■ オーダリングガイド .......................................................................................................................... 7
■ ピン配置 ............................................................................................................................................. 7
■ ピン機能説明 ..................................................................................................................................... 8
■ 使用しないピンの処理について ........................................................................................................ 9
6. 絶対最大定格 ..................................................................................................................................... 10
7. 推奨動作条件 ..................................................................................................................................... 10
8. アナログ特性 ..................................................................................................................................... 11
9. ADC FILTER CHARACTERISTICS (fs=48kHz) ............................................................................... 13
10. ADC FILTER CHARACTERISTICS (fs=96kHz) ........................................................................... 14
11. ADC FILTER CHARACTERISTICS (fs=192kHz) ......................................................................... 15
12. DAC FILTER CHARACTERISTICS (fs=48kHz) ........................................................................... 16
13. DAC FILTER CHARACTERISTICS (fs=96kHz) ........................................................................... 17
14. DAC FILTER CHARACTERISTICS (fs=192kHz) ......................................................................... 18
15. DC特性 ........................................................................................................................................... 19
16. スイッチング特性 .......................................................................................................................... 20
■ Timing Diagram ............................................................................................................................... 29
17. 動作説明 ......................................................................................................................................... 34
■ パラレル/シリアルモード ................................................................................................................ 34
■ マスタモードとスレーブモードの設定 ........................................................................................... 34
■ システムクロック ............................................................................................................................ 35
■ パラレルモード (PS pin= “H”) ......................................................................................................... 36
■ シリアルモード (PS pin= “L”) .......................................................................................................... 38
■ PLLモード (PMPLL bit = “1”) ........................................................................................................... 41
■ PLLのアンロックについて .............................................................................................................. 46
■ PLL Master Mode (PMPLL bit = “1”, CKS3-2 pins = “HH”) ............................................................. 46
■ PLL Slave Mode (PMPLL bit = “1”, CKS3-2 pins = “LL” or “LH” or “HL”) ........................................ 47
■ ディエンファシスフィルタ ............................................................................................................. 48
■ ディジタルHPF ................................................................................................................................ 48
■ オーディオインタフェースフォーマット ....................................................................................... 49
■ TDMモード時のカスケード接続...................................................................................................... 52
■ ADC/DACディジタルフィルタ ........................................................................................................ 61
■ モノラル/ステレオ切り替え .......................................................................................................... 61
■ ディジタルボリューム機能 ............................................................................................................. 62
■ Soft Mute Operation ......................................................................................................................... 63
■ 帯域外ノイズ除去フィルタ ............................................................................................................. 64
■ DAC出力 (LOUT, ROUT pins) ......................................................................................................... 67
■ コントロールシーケンス ................................................................................................................. 70
■ シリアルコントロールインターフェース ....................................................................................... 81
■ レジスタマップ ................................................................................................................................ 84
■ 詳細説明 ........................................................................................................................................... 84
18. 外部接続回路例 .............................................................................................................................. 89
■ パラレルモード ................................................................................................................................ 89