[AK7735A]
018002104-J-00-PB 2018/02
- 3 -
3. 目 次
1. 概 要................................................................................................................................................ 1
2. 特 長................................................................................................................................................ 1
3. 目 次................................................................................................................................................ 3
4. ブロック図 ........................................................................................................................................ 4
■ 全体ブロック図 ................................................................................................................................. 4
■ DSP部ブロック図 ............................................................................................................................. 5
5. ピン配置と機能説明 .......................................................................................................................... 6
■ ピン配置図 ........................................................................................................................................ 6
■ ピン機能説明 ..................................................................................................................................... 7
■ 使用しないピンの処理について ...................................................................................................... 10
■ プルダウン抵抗付きピンの状態 ...................................................................................................... 10
■ パワーダウン時、出力ピンの状態 ................................................................................................... 11
6. 絶対最大定格 ................................................................................................................................... 12
7. 推奨動作条件 ................................................................................................................................... 12
8. 電気的特性 ...................................................................................................................................... 13
■ アナログ特性 ................................................................................................................................... 13
■ 消費電流 .......................................................................................................................................... 18
9. ディジタルフィルタ特性 ................................................................................................................ 19
■ ADC部 ............................................................................................................................................. 19
■ DAC部 ............................................................................................................................................. 23
■ SRC部 ............................................................................................................................................. 27
10. DC特性 ............................................................................................................................................ 29
11. スイッチング特性 ........................................................................................................................... 30
■ システムクロック ............................................................................................................................ 30
■ パワーダウン ................................................................................................................................... 30
■ シリアルデータインタフェース(SDIN1 ~ SDIN4, SDOUT1 ~ SDOUT4) ...................................... 31
■ SPIインタフェース ......................................................................................................................... 34
■ I
2
Cインタフェース .......................................................................................................................... 36
12. 外部接続回路例 ............................................................................................................................... 37
■ 接続図 .............................................................................................................................................. 37
■ 周辺回路 .......................................................................................................................................... 39
13. パッケージ ...................................................................................................................................... 41
■ 外形寸法図 ...................................................................................................................................... 41
■ 材質・メッキ仕様 ............................................................................................................................ 41
■ マーキング ...................................................................................................................................... 42
重要な注意事項 ........................................................................................................................................ 43