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![](https://ae01.alicdn.com/kf/S80d037af14a240f98e9edbbbe548e609j/MAX4466-MAX9814.jpg) ![](https://ae01.alicdn.com/kf/Sabbaf6bb5c49401cab3ce2bf0090ba96N/MAX4466-MAX9814.jpg) ![](https://ae01.alicdn.com/kf/Sd4967b7726b2404fa148c5e5d67008e6i/MAX4466-MAX9814.jpg) ![](https://ae01.alicdn.com/kf/Scfd97757d1294c959fd857b2e42bfa88O/MAX4466-MAX9814.jpg) aHR0cDovL2ZyZWVzaGlwLmNvLmty![](https://ae01.alicdn.com/kf/S80d037af14a240f98e9edbbbe548e609j/MAX4466-MAX9814.jpg) ![](https://ae01.alicdn.com/kf/Sabbaf6bb5c49401cab3ce2bf0090ba96N/MAX4466-MAX9814.jpg) ![](https://ae01.alicdn.com/kf/Sd4967b7726b2404fa148c5e5d67008e6i/MAX4466-MAX9814.jpg) ![](https://ae01.alicdn.com/kf/Scfd97757d1294c959fd857b2e42bfa88O/MAX4466-MAX9814.jpg) ![](https://ae01.alicdn.com/kf/Sb24b00c49abf4eb09bcf0105dde0ca9f7/MAX4466-MAX9814.jpg)
- ÆÐÅ°Áö: SMD
- ¸ÂÃã °¡´É À¯¹«: ±×·¸½À´Ï´Ù
- ¸ðµ¨ ¹øÈ£: GY-MAX4466
- ÀÛ¿ë ¿Âµµ: ..
- ºÐ»ê Àü¿ø: ..
- °ø±Þ Àü¾Ð: 2.4-5V
- ½Åû: ÄÄÇ»ÅÍ
- Á¶°Ç: »õ·Î¿î
- À¯Çü: Àü¾Ð Á¶Á¤±â
- ºê·£µå À̸§: baishundianzi
- ±Ù¿ø: CN (Á¤Ç°)
¿É¼ÇÁ¤º¸[(351074)max4466] [(4044226)sound red ky-037] [(201659813)sound blue] [(365458)ky-038] [(350850)max9814]![](https://ae01.alicdn.com/kf/Sdb5797446eed424d97ff62cc7a4b5c7bj/MAX4466-MAX9814.jpg_640x640.jpg)
Max4466
ÀÌ ºê·¹ÀÌÅ©¾Æ¿ôÀº À½¼º ±³È¯±â, ¿Àµð¿À ³ìÀ½ »ùÇøµ ¹× FFT¸¦ »ç¿ëÇÏ´Â ¿Àµð¿À ¹ÝÀÀÇü ÇÁ·ÎÁ§Æ®¿Í °°Àº ÇÁ·ÎÁ§Æ®¿¡ °¡Àå ÀûÇÕÇÕ´Ï´Ù. µÞ¸é¿¡´Â °ÔÀÎÀ» Á¶Á¤ÇÏ´Â ÀÛÀº Æ®¸®¸Ó Æ÷Æ®°¡ Æ÷ÇԵǾî ÀÖ½À´Ï´Ù. ³Ê´Â ÇÒ ¼öÀÖ´Ù. °ÔÀÎÀ» 25x ¿¡¼ 125x ·Î ¼³Á¤ÇϽʽÿÀ. ±×°ÍÀº 200mVpp (6 ¿¡ ´ëÇÑ Á¤»óÀûÀÎ ¸»Çϱ⠺¼·ý) ¿¡ °üÇÑ °ÍÀÔ´Ï´Ù. ¸Ö¸®) ¸¦ Ŭ¸®ÇÎÇÏÁö ¾Ê°í `¶óÀÎ ·¹º§` ÀÔ·ÂÀ» ¿¹»óÇÏ´Â Ç׸ñ¿¡ ¿¬°áÇϰųª 1Vpp ¿¡ ´ëÇØ ¸¶ÀÌÅ©·Î ÄÁÆ®·Ñ·¯ ADC¿¡¼ Àд µ¥ ÀÌ»óÀûÀÔ´Ï´Ù. Ãâ·ÂÀº ·¹ÀÏ Åõ ·¹ÀÏÀ̹ǷΠ»ç¿îµå°¡ Å©°Ô, Ãâ·ÂÀº 5Vpp ±îÁö ¿Ã¶ó°¥ ¼ö ÀÖ½À´Ï´Ù! ±×°ÍÀ» »ç¿ëÇÏ´Â °ÍÀº °£´ÜÇÕ´Ï´Ù: GND¸¦ Á¢Áö¿¡ ¿¬°áÇÏ°í VCC¸¦ 2.4-5VDC ¿¡ ¿¬°áÇϽʽÿÀ. ÃÖ»óÀÇ ¼º´ÉÀ» ¾òÀ¸·Á¸é »ç¿ë °¡´ÉÇÑ "°¡Àå Á¶¿ëÇÑ" °ø±Þ ÀåÄ¡¸¦ »ç¿ëÇϽʽÿÀ (ArduinoÀÇ °æ¿ì 3.3V °ø±Þ ÀåÄ¡ ÀÓ). ¿Àµð¿À ÆÄÇüÀÌ OUT ÇÉ¿¡¼ ³ª¿É´Ï´Ù. Ãâ·Â¿¡´Â VCC/2 ÀÇ DC ¹ÙÀ̾°¡ ÀÖÀ¸¹Ç·Î ¿Ïº®ÇÏ°Ô Á¶¿ëÇÑ Àü¾ÐÀº ¾ÈÁ¤µÈ VCC/2 º¼Æ®ÀÔ´Ï´Ù (DC °áÇÕ). »ç¿ë ÁßÀÎ ¿Àµð¿À ÀåºñÀÎ °æ¿ì AC °áÇÕ ¿Àµð¿À°¡ ÇÊ¿äÇÕ´Ï´Ù. Ãâ·Â ÇÉ°ú ÀåÄ¡ÀÇ ÀÔ·Â »çÀÌ¿¡ 100uF Ä¿ÆнÃÅ͸¦ ¹èÄ¡ÇϽʽÿÀ. If Â÷µî ÀÔ·ÂÀÌ Àְųª Äܵ§¼ µðÄ¿ÇøµÀÌ Æ÷ÇÔµÈ ¿Àµð¿À ¾ÚÇÁ¿¡ ¿¬°áÇÏ´Â °æ¿ì 100uF ĸÀº ÇÊ¿äÇÏÁö ¾Ê½À´Ï´Ù. Ãâ·Â ÇÉÀº ½ºÇÇÄ¿ ¶Ç´Â °¡Àå ÀÛÀº ÀÎ À̾î ÇìµåÆùÀ» ±¸µ¿Çϵµ·Ï ¼³°èµÇÁö ¾Ê¾Ò½À´Ï´Ù. ¾ÚÇÁ¸¦ ½ºÇÇÄ¿¿¡ Á÷Á¢ ¿¬°áÇÏ·Á´Â °æ¿ì ¿Àµð¿À ¾ÚÇÁ (¿¹: 3.7W ½ºÅ×·¹¿À ¾ÚÇÁ). ³Ê¶ó¸é ¸¶ÀÌÅ©·Î ÄÁÆ®·Ñ·¯ ÇÉ¿¡ ¿¬°áÇÏ¸é ¾ÚÇÁ ³ª Ä¿ÆнÃÅ͸¦ ºÐ¸® ÇÒ ÇÊ¿ä°¡ ¾ø½À´Ï´Ù-OUT ¿¬°á ¸¶ÀÌÅ©·Î ÄÁÆ®·Ñ·¯ ADC ÇÉ¿¡ Á÷Á¢ °íÁ¤ÇϽʽÿÀ. ¿Àµð¿À ¹ÝÀÀÇü ÇÁ·ÎÁ§Æ®ÀÇ °æ¿ì ¿Àµð¿À ÀÔ·ÂÀ» ¹Þ¾Æ `º¯È¯` ÇÒ ¼ö ÀÖ´Â FFT µå¶óÀ̹ö ¶óÀ̺귯¸®¸¦ »ç¿ëÇÏ´Â °ÍÀÌ ÁÁ½À´Ï´Ù. ÁÖÆļö.
¿ì¸®°¡ ½ÃµµÇÑ ¸¶ÀÌÅ© ¾ÚÇÁ ºê·¹ÀÌÅ© ¾Æ¿ô!
³ëÀÌÁî °ÅºÎ¸¦ °ø±ÞÇϹǷÎÀÌ ¾ÚÇÁ´Â ¼Ò¸®°¡ ÁÁ°í ´Ù¸¥ ¾ÚÇÁ¸¸Å ½Ã²ô ·´°Å³ª ±ÜÈ÷Áö ¾Ê½À´Ï´Ù.
Maxim MAX4466, ÀÌ ¼¶¼¼ÇÑ ÀÛ¾÷À» À§ÇØ Æ¯º°È÷ ¼³°èµÈ op-amp! ¾ÚÇÁ´Â ¿ì¼öÇÑ Àü·ÂÀ» °¡Áö°í ÀÖ½À´Ï´Ù
Å×½ºÆ® º¸µå¿¡´Â 20-20KHz ÀÏ·ºÆ®·¿ ¸¶ÀÌÅ©°¡ ³³¶«µÇ¾î ÀÖ½À´Ï´Ù. ÁõÆøÀ» À§ÇØ
Àß ¼³°èµÈ ÀÌ ÀÏ·ºÆ®·¿ ¸¶ÀÌÅ© ¾ÚÇÁ·Î ÇÁ·ÎÁ§Æ®¿¡ ±Í¸¦ ±â¿ïÀÔ´Ï´Ù. ÀÌ°ÍÀº ¿ÏÀüÈ÷ Á¶¸³ µÈ
¼³¸í:
![](https://ae01.alicdn.com/kf/Sb9b71d315ee34d078bc8f59de6f9cdc2P.jpg) ![](https://ae01.alicdn.com/kf/S16c1ceaa71a04a81acb2b10354151785U.jpg) ![](https://ae01.alicdn.com/kf/S95027aff9bf2422ab5982b1b2a7a6719o.jpg) ![](https://ae01.alicdn.com/kf/S4754a72bebf84f6ea5ffe758f6a97483s.jpg) ![](https://ae01.alicdn.com/kf/Sfcab47a693c34cc2a5d7ee65cd4cdcd7U.jpg)
Max9814
MAX9814 ´Â ÀÚµ¿ °ÔÀÎ Á¦¾î (AGC) ¹× Àú¼ÒÀ½ ¸¶ÀÌÅ© ¹ÙÀ̾°¡ Àû¿ëµÈ Àúºñ¿ë °í¼º´É ¸¶ÀÌÅ© ¾ÚÇÁÀÔ´Ï´Ù. ÀÌ ÀåÄ¡¿¡´Â Àú¼ÒÀ½ ÇÁ·ÐÆ® ¿£µå ¾ÚÇÁ, °¡º¯ °ÔÀÎ ¾ÚÇÁ (VGA), Ãâ·Â ÁõÆø±â, ¸¶ÀÌÅ© ¹ÙÀ̾ Àü¾Ð ¹ß»ý±â ¹× AGC Á¦¾î ȸ·Î°¡ ÀÖ½À´Ï´Ù.
»ç¾ç:
°ø±Þ Àü¾Ð: 2.7v-5.5v @ 3mA Àü·ù
Ãâ·Â: 1.25V ¹ÙÀ̾¿¡ ´ëÇÑ 2Vpp
ÁÖÆļö ÀÀ´ä: 20HZ~20KHZ
ÇÁ·Î±×·¡¹Ö °¡´ÉÇÑ °ø°Ý ¹× ¸±¸®½º ºñÀ²
ÀÚµ¿ °ÔÀÎ, 40dB, 50dB ¶Ç´Â 60dB ¿¡¼ ÃÖ´ë ¼±Åà °¡´É
30nV ÀÇ ³·Àº ÀÔ·Â-ÂüÁ¶ ³ëÀÌÁî ¹Ðµµ/
³·Àº THD: 0.04% (type)
ÀÚµ¿ °ÔÀÎ Á¦¾î (AGC)
3 °ÔÀÎ ¼³Á¤ (40dB, 50dB, 60dB)
ÇÁ·Î±×·¡¹Ö °¡´ÉÇÑ ÀÛµ¿ ½Ã°£
ÇÁ·Î±×·¡¹Ö °¡´ÉÇÑ ÀÛµ¿ ¹× ¸±¸®½º ½Ã°£
2.7V ~ 5.5V °ø±Þ Àü¾Ð ¹üÀ§
³·Àº ÀÔ·Â ³ëÀÌÁî ¹Ðµµ 30nV/
³·Àº THD: 0.04% (type)
ÀúÀü·Â ¼Ë´Ù¿î ¸ðµå
Built-2V ÀúÀâÀ½ ¸¶ÀÌÅ© ÆíÇâ
°ø°£ Àý¾àÇü 14 ÇÉ TDFN (3mm x 3mm) ÆÐÅ°Áö
-40 ° C ~ + 85 ° C È®Àå ¿Âµµ ¹üÀ§
![](https://ae01.alicdn.com/kf/S67bdce312e7048f99e45b168cd9528f83.jpg) ![](https://ae01.alicdn.com/kf/S09ab430ac838455aa12200ca561583a7q.jpg) ![](https://ae01.alicdn.com/kf/S8e70fa3e9cc7416a95d5bd43d5ef0bb7N.jpg) ![](https://ae01.alicdn.com/kf/S799020ae5d8a458e9f21b802d8fb15d1B.jpg) ![](https://ae01.alicdn.com/kf/Se8d8b5bb7f3f4f46bbbbcf2265d8df2de.jpg) ![](https://ae01.alicdn.com/kf/Sdb85bd0b7fdc4fb8a51c224c0e30d2c05.jpg)
»ç¿îµå °¨Áö ¸ðµâ¿¡´Â µÎ °¡Áö Ãâ·ÂÀÌ ÀÖ½À´Ï´Ù.
1. AO, ¾Æ³¯·Î±× Ãâ·Â, ¸¶ÀÌÅ©ÀÇ ½Ç½Ã°£ Ãâ·Â Àü¾Ð ½ÅÈ£
2. DO, »ç¿îµå °µµ°¡ ƯÁ¤ ÀÓ°è °ª¿¡ µµ´ÞÇϸé Ãâ·Â ³ô°í ³·Àº ½ÅÈ£
¸ðµâ ±â´É:
1. 3mm ÀÇ ÀåÂø ³ª»ç ±¸¸ÛÀÌ ÀÖ½À´Ï´Ù.
2. »ç¿ë 5v DC Àü¿ø °ø±Þ ÀåÄ¡
3. ¾Æ³¯·Î±× Ãâ·Â
4. ÀÓ°è °ª ·¹º§ Ãâ·Â Çø³ÀÌ ÀÖ½À´Ï´Ù
5. °í°¨µµ ¸¶ÀÌÅ© ¹× °í°¨µµ.
6. Àü¿ø Ç¥½Ãµî
7. ºñ±³±â Ãâ·ÂÀº °¡º±´Ù.
µðÁöÅÐ Ãâ·Â:
Int Led = 13;// LED ÀÎÅÍÆäÀ̽º Á¤ÀÇ
Int buttonpin = 3 // D0 ¼¾¼ ÀÎÅÍÆäÀ̽º Á¤ÀÇ
Int val;// ¼ýÀÚ º¯¼ö val Á¤ÀÇ
º¸ÀÌµå ¼³Á¤ ()
{
PinMode (Led, Ãâ·Â);// Ãâ·Â ÀÎÅÍÆäÀ̽º·Î LED Á¤ÀÇ
PinMode (¹öÆ° ÇÉ, INPUT);// D0 ¼¾¼¸¦ Ãâ·Â ÀÎÅÍÆäÀ̽º·Î Á¤ÀÇ
}
º¸ÀÌµå ·çÇÁ ()
{
Val = digitalRead(buttonpin);// µðÁöÅÐ ÀÎÅÍÆäÀ̽º¿¡ valÀ» Àбâ À§ÇØ 3 ÀÇ °ªÀÌ ÇÒ´çµË´Ï´Ù.
If (val = = HIGH)// ±¤ ¼¾¼°¡ ½ÅÈ£°¡ ÁߴܵǾúÀ½À» °¨ÁöÇϸé LED°¡ ±ô¹ÚÀÔ´Ï´Ù.
{
µðÁöÅÐ ¾²±â (ÁÖµµ, ³ôÀº)
}
±âŸ
{
µðÁöÅÐ ¾²±â (ÁÖµµ, ³·À½)
}
}
2. ¾Æ³¯·Î±× Ãâ·Â:
Int ¼¾¼ ÇÉ = A5; // ÀüÀ§Â÷°èÀÇ ÀÔ·Â ÇÉÀ» ¼±ÅÃÇϽʽÿÀ.
Int ledPin = 13; // LED ÇÉÀ» ¼±ÅÃÇϽʽÿÀ.
Int sensorValue = 0; // ¼¾¼¿¡¼ ¿À´Â °ªÀ» ÀúÀåÇÏ´Â º¯¼ö
º¸ÀÌµå ¼³Á¤ () {
ÇÉ ¸ðµå (ledPin, Ãâ·Â);
Á÷·Ä. ½ÃÀÛ (9600);
}
º¸ÀÌµå ·çÇÁ () {
SensorValue = ¾Æ³¯·Î±× Àбâ (¼¾¼ ÇÉ);
µðÁöÅÐ ¾²±â (ledPin, HIGH);
Áö¿¬ (¼¾¼ °ª);
![](https://ae01.alicdn.com/kf/S2839af8bd4a74770ac9427b0f0e54b7fx.jpg) ![](https://ae01.alicdn.com/kf/S6a8eda4c309b4dc19540231e291be5c6i.jpg) ![](https://ae01.alicdn.com/kf/Sbac7ed400be74caa80dc2397f33c25f3x.jpg) ![](https://ae01.alicdn.com/kf/S528f7517859f402cbbfd1f525519926aI.jpg) Ky-038
![](https://ae01.alicdn.com/kf/S51d3ab0a521c457aa6f926fb3f4147f2e.jpg) ![](https://ae01.alicdn.com/kf/S8eed256956f64ae4901a9fe3eeca8832x.jpg) ![](https://ae01.alicdn.com/kf/S9409c9d76e04484fbbca115395cb74bfz.jpg) ![](https://ae01.alicdn.com/kf/Se8a68ae8c74448af82b4e90880b4b77cV.jpg) ![](https://ae01.alicdn.com/kf/Sba0478dd98054a1e9bf1af0c7e178780v.jpg)
»ç¿îµå ¸ðµâ
![](https://ae01.alicdn.com/kf/S59ea84c60df449ae9ce5c54c3addb5de9.jpg) ![](https://ae01.alicdn.com/kf/S8fe6861ed2df4804ab8332f07d60fa25u.jpg) ![](https://ae01.alicdn.com/kf/S6b6d89b3930248a1bdc1051f1571a784Q.jpg) ![](https://ae01.alicdn.com/kf/S3650e4be4db04f0686f923d5626ed5bb9.jpg) ![](https://ae01.alicdn.com/kf/Sdace0301014b475282c3c9c1cf71b78eE.jpg) ![](https://ae01.alicdn.com/kf/S443dc52357be4941a3f88b50e0560a5fL.jpg)
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