{"product_id":"mt8870-cmos-low-power-dtmf-decoder-receiver-ic","title":"MT8870 IC DTMF Decoder Receiver IC DIP18","description":"The MT8870 is a DTMF (Dual-Tone Multi-Frequency) receiver integrated circuit.\n\u003cdiv class=\"product_info\"\u003e\n\u003ch1 class=\"sing--sub-heading\"\u003e\u003cspan style=\"font-size: 18.72px;\"\u003e Here are some key features and functions of the MT8870 IC:\u003c\/span\u003e\u003c\/h1\u003e\n\u003cstrong\u003eDTMF Decoding:\u003c\/strong\u003e The primary function of the MT8870 is to decode DTMF signals, which are commonly used in telephone systems for dialing numbers.\u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eFrequency Detection:\u003c\/strong\u003e It is capable of detecting the two frequencies that represent each key on a standard telephone keypad.\u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eDigital Output:\u003c\/strong\u003e The IC provides a digital output corresponding to the decoded DTMF signal. This output is often in the form of a 4-bit binary code representing the pressed key.\u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eValid Output Signal:\u003c\/strong\u003e The MT8870 generates a valid output signal to indicate when a DTMF digit has been detected and is ready to be read.\u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eDial Tone Rejection:\u003c\/strong\u003e The IC is designed to reject continuous dial tones, focusing on recognizing valid DTMF signals.\u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eExternal Components:\u003c\/strong\u003e It requires minimal external components for operation, making it relatively easy to integrate into various applications.\u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eInterface with Microcontrollers:\u003c\/strong\u003e The output of the MT8870 can be easily interfaced with microcontrollers for further processing and control.\u003cbr\u003e\u003cbr\u003e \u003cstrong\u003ePower Supply:\u003c\/strong\u003e The IC typically operates on a dual power supply, commonly around ±5V.\n\u003cdiv\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch2 class=\"sing--sub-heading\"\u003e\u003cspan style=\"font-size: 18.72px;\"\u003e Applications:\u003c\/span\u003e\u003c\/h2\u003e\nCommon applications include telephone keypads, remote control systems, automated systems, and any application where DTMF signaling is used.\u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eLatch and Unlatch Function:\u003c\/strong\u003e Some versions of the MT8870 have a latch and unlatch function, allowing the IC to store the last decoded digit until a new digit is received.\u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eRobust Design:\u003c\/strong\u003e The IC is designed to be stable and robust, capable of functioning reliably in different operating conditions.\n\u003cdiv\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eFeatures\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eComplete DTMF Receiver\u003c\/li\u003e\n\u003cli\u003eLow power consumption\u003c\/li\u003e\n\u003cli\u003eInternal gain setting amplifier\u003c\/li\u003e\n\u003cli\u003eAdjustable guard time\u003c\/li\u003e\n\u003cli\u003eCentral office quality\u003c\/li\u003e\n\u003cli\u003ePower-down mode\u003c\/li\u003e\n\u003cli\u003eInhibit mode\u003c\/li\u003e\n\u003cli\u003eBackward compatible with MT8870C\/MT8870C-1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePhysical Attributes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eLength * Width * Height (mm): 22 x 8 x 7\u003c\/li\u003e\n\u003cli\u003eWeight (gm): 2\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eDocumentation\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003e \u003ca href=\"https:\/\/drive.google.com\/file\/d\/1gvj8y4Hvg1CfpN11Oj__vEBSn74k_rZb\/view?usp=sharing\" target=\"_blank\"\u003eDatasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePackage Includes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003e1 x MT8870 IC - DTMF Decoder Receiver IC DIP-18\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"KitsGuru","offers":[{"title":"Default Title","offer_id":40708907073717,"sku":"INTEG020","price":59.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/files\/MT8870ICDTMFDecoderReceiverICDIP18.jpg?v=1708338329","url":"https:\/\/kitsguru.com\/de\/products\/mt8870-cmos-low-power-dtmf-decoder-receiver-ic","provider":"KitsGuru","version":"1.0","type":"link"}