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AK7736AVQ Datasheet, PDF (1/21 Pages) Asahi Kasei Microsystems – 2Ch SRC 内蔵 Audio/HF DSP | |||
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[AK7736A]
AK7736A
2Ch SRC å
èµ Audio/HF DSP
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2chSRCãå
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ã§ãé«ç²¾åº¦ãªIIR/FIRãã£ã«ã¿ãç°¡åã«å®ç¾ã§ãã¾ããAK7736Aã¯ããã°ã©ããã«DSPã§ãã®ã§ããã¤
ã³ã³I/Fçµç±ã§ã³ã¼ããæ¸ãæãããã¨ã§ãé³é¿å¦çã«å ããAKM製ã®é«æ§è½ãã³ãºããªã¼ãå®ç¾å¯è½
ã§ãã
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â¡ DSP
-ãã¼ã¿å¹
ï¼
24bit
-ãã·ã³ãµã¤ã¯ã«ï¼
æé8.1nsï¼2560fsï¼fs=48kHzæï¼
-ã¹ãããæ°ï¼
fs=48kHzï¼æ大2560ã¹ããã
fs=8kHzï¼æ大15360ã¹ããã
fs=16kHzï¼æ大7680ã¹ããã
-ä¹ç®å¨ï¼
20Ã24â44bitï¼å精度æ¼ç®å¯ï¼
-é¤ç®å¨ï¼
20÷20â20bitï¼æµ®åå°æ°ç¹æ£è¦åæ©è½ä»ï¼
-ALUï¼
48bit ç®è¡ã»è«çæ¼ç®ï¼ï½µï½°ï¾ï¾ï½°ï¾ï¾ï½°ï¾ï½°ï½¼ï¾ï¾4bitï¼
-ã·ããï¼
ä¹ç®ã»DBUS±15bitã·ããã»éæ¥ã·ããæ©è½ä»ã
-ããã°ã©ã RAM(PRAM)ï¼ 6144wordÃ36bit
-ä¿æ°RAM(CRAM)ï¼
4096wordÃ24bit
-ãã¼ã¿RAM(DRAM)ï¼
4096wordÃ24bitï¼Bankãµã¤ãºå¯å¤ï¼
-ãªãã»ããã¬ã¸ã¹ã¿ (OFREG)ï¼32wordÃ15bit
-é
延ç¨RAM(DLRAM)ï¼ 16384wordÃ24bitï¼Bankãµã¤ãºå¯å¤ï¼
-ã¬ã¸ã¹ã¿ï¼
48bitÃ4å (ACC)ï¼»ALUç¨ï¼½
24bitÃ12å (TMP)ï¼»DBUSæ¥ç¶ï¼½
24bitÃ6段ã¹ã¿ãã¯(PTMP)ï¼»DBUSæ¥ç¶ï¼½
â¡ ã¹ãã¬ãª24bit SRC
-SRC: FSI=8kHz~96kHzå¯¾å¿ / FSO=8kHz~96kHzå¯¾å¿ (FSO/FSI = 0.167~6.0 対å¿)
â¡ ã¢ãã©ã«24bit ç°¡æSRC
-FSCONV: FSI=44.1kHz~48kHzå¯¾å¿ / FSO=8kHz~16kHz対å¿
â¡ å
¥åºåãã£ã¸ã¿ã«ã¤ã³ã¿ãã§ã¼ã¹
- 8chã·ãªã¢ã«ãã¼ã¿å
¥å
- 8chã·ãªã¢ã«ãã¼ã¿åºå
-ãµã³ããªã³ã°å¨æ³¢æ°: 8ï½96kHz
â¡ ãã¤ã³ã³ã¤ã³ã¿ãã§ã¼ã¹: SPI, I2CBUS(400kHz Fast-Mode)
â¡ PLLå
èµ
â¡ é»æºé»å§:
-VDD 3.0ï½3.6V typ 3.3V (å
é¨é»æºç¨ã¬ã®ã¥ã¬ã¼ã¿å
èµ)
-TVDD 1.7ï½3.6V (1ï½8pin)
â¡ åä½æ¸©åº¦ç¯å²: -40âï½85â
â¡ ããã±ã¼ã¸: 48pin LQFP
MS1484-J-00-PB
-1-
2012/12
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