PCM5122 HIFI ¿Àµð¿À DAC È®Àå º¸µå, ¶óÁ¸® ÆÄÀÌ¿ë
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HiFi DAC Hat Àº RPI ¿Àµð¿À Ãâ·Â¿¡ °¡Àå ÃÖÀûÈµÈ ÆÄÆ®³ÊÀÔ´Ï´Ù.
±×°ÍÀº 40 ÇÉ gpio¸¦ °¡Áø °ÅÀÇ ¸ðµç ¶óÁ¸® ÆÄÀÌ¿Í È£È¯µË´Ï´Ù.
¿Âº¸µå PCM5122 ¸¦ I2S Ŭ·° ¸¶½ºÅÍ·Î »ç¿ëÇÏ´Â rpiÀÇ ½Ã°è ´ë½Å ³Ê¹« ¸¹Àº ÁöÅÍ¿Í ÇÔ²² Á¦°øµË´Ï´Ù. º¸´Ù Á¤È®ÇÑ »ùÇøµ ¼Óµµ Ŭ·ÏÀ» Áö¿øÇϱâ À§ÇØ µà¾ó ·Î¿ì ÁöÅÍ ¹ßÁø±â (45.158M ¹× 49.152M) °¡ Ãß°¡µÇ¾ú½À´Ï´Ù. ³³¶«, Ãß°¡ ÄÉÀÌºí ¾øÀ½.
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40 ÇÉ Ä¿³ØÅÍ°¡ÀÖ´Â ¶óÁ¸® ÆÄÀÌ¿Í È£È¯µË´Ï´Ù.
Ãß°¡ ÄÉÀ̺íÀÌ ÇÊ¿äÇÏÁö ¾ÊÀ¸¸ç ³³¶«ÀÌ ¾ø½À´Ï´Ù.
ÀÌ RPI + DAC HiFi ½´Æ®·Î ´õ ¾Æ¸§´ä°í ȯ»óÀûÀÎ »ç¿îµå¸¦ ½±°Ô ¾òÀ» ¼ö ÀÖ½À´Ï´Ù.
¸ðµç ¶óÁ¸® ÆÄÀÌ À½¾Ç Àç»ý ½Ã½ºÅÛ Áö¿ø
PCM(DOP) ¸ðµå¸¦ ÅëÇØ dsd¸¦ Áö¿øÇÕ´Ï´Ù.
Ŭ·¡½º-ÃÖ°íÀÇ ½ºÅ×·¹¿À ¿Àµð¿À DAC PCM5122
ÃÖ´ë 384-KHz/32 ºñÆ® »ùÇà ºñÀ²
½ºÅ×·¹¿À °íÃæ½Çµµ ÇìµåÆù ¾ÚÇÁ tpa6133 °ú Æä¾î¸µ.
2.1Vrms Á¢Áö Áß¾Ó Ãâ·Â°ú Çʸ§ Ä¿ÆнÃÅ͸¦ Á¦°øÇÕ´Ï´Ù.
¿Âº¸µå ±Ýµµ±Ý RCA (¿ÞÂÊ ¹× ¿À¸¥ÂÊ) Àè ÇÑ ½Ö ¹× 3.5mm °í±Þ ÇìµåÆù Àè Ãâ·Â.
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ÃÖ°íÀÇ À½ÁúÀ» À§ÇØ 384kHz/32bit °íÇ°Áú DAC PCM5122 Àü¿ë.
¿Àµð¿À Ãâ·Â Ä¿³ØÅÍ: 2x RCA (¿ÞÂÊ ¹× ¿À¸¥ÂÊ) ¹× 3.5mm ÇìµåÆù Àè.
138mw ÇìµåÆù ¾ÚÇÁ´Â ÇìµåÆùÀ» Á÷Á¢ ±¸µ¿ ÇÒ ¼ö ÀÖ½À´Ï´Ù.
ÀÛ¾÷ »óÅ ǥ½Ã±â´Â ½Ã½ºÅÛ ÀÛµ¿ »óŸ¦ ½±°Ô ÀÌÇØÇÒ ¼ö ÀÖ½À´Ï´Ù.
¸ðÀÚ »çÀÌÁî.
DAC snrÀº 112Db ÀÔ´Ï´Ù.
DAC THD + N @ -1 dBFS -78dB.
DAC Ç® ½ºÄÉÀÏ Ãâ·ÂÀº 2.1Vrms ÀÔ´Ï´Ù.
DAC µ¿Àû ¹üÀ§´Â 112dB ÀÔ´Ï´Ù.
»ùÇøµ ÁÖÆļö ¹üÀ§´Â 8 khz¿¡¼ 384 khzÀÔ´Ï´Ù.
ÃÖÀûÀÇ ¿Àµð¿À ¼º´ÉÀ» À§ÇØ ÃÊÀú¼ÒÀ½ Àü¾Ð Á¶Á¤±â.
ÀÚµ¿ ±¸¼º (¿É¼Ç) À»À§ÇÑ ÅëÇÕ EEPROM.
ÀÔ·Â I2S ½ÅÈ£¿¡ µû¶ó ÁÖÆļö Àüȯ.
¸¶½ºÅÍ Å¬·° »ý¼ºÀ»À§ÇÑ µà¾ó ·Î¿ì ÁöÅÍ Å©¸®½ºÅÐ ¹ßÁø±â.
Àû¿Ü¼± ¿ø°Ý Á¦¾î Ä¿³ØÅÍ (GPIO26 »ç¿ë).
DAC Ãâ·Â°ú Çʸ§ Ä¿ÆнÃÅÍ °áÇÕ.
[ÆÐÅ°Áö Æ÷ÇÔ]
1 x PCM5122 HIFI ¿Àµð¿À DAC È®Àå º¸µå
¶óÁ¸® ÆÄÀÌ 4B ¿ë ¹æ¿ÆÇ 1 °³
¶óÁ¸® ÆÄÀÌ 3B/3B ¿ë ¹æ¿ÆÇ 1 °³
1 x ³ª»ç ¼¼Æ®
![](https://ae01.alicdn.com/kf/He246a776de80499aae47b4618ac0c067A.png)
[±â¼ú Áö¿ø]
https://wiki.52pi.com/index.php/PCM5122_HIFI_Audio_DAC_Expansion_Board_For_RPi_SKU:_ D-0020
[°¶·¯¸®]
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