Shenzhen Xinluda Information Technology Co., Ltd. Electronic Parts
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The Xinluda XD8870 is a complete, single-chip DTMF (dual-tone multi-frequency) receiver supplied in an industry-standard 18-pin DIP (DIP-18) package. It integrates a bandsplit filter and a digital decoder on one die, detecting the two simultaneous tones that make up each telephone keypad signal and converting all 16 DTMF tone pairs into a stable 4-bit output code. The device is part of the widely used 8870 DTMF-receiver family (such as the MT8870 / CM8870), making it a convenient choice for legacy and cost-sensitive telecom and remote-control designs.
The XD8870 is a specialty Xinluda device with little to no authorized-distributor stock, which makes it difficult to find through mainstream channels. Pacific Component Xchange is an independent distributor that specializes in hard-to-find and end-of-life power-management ICs, optocouplers, and interface devices like this DTMF receiver. We help engineers and buyers secure obsolete, allocated, and scarce parts with authenticity screening and global shipping. Request a quote (RFQ) today and our sourcing team will confirm availability, lead time, and pricing for the XD8870 to keep your production or service builds running.
The XD8870 is an enhanced-sensitivity integrated DTMF (dual-tone multi-frequency) receiver from Xinluda in an 18-pin DIP package. It combines a bandsplit filter and digital decoder on one chip to convert the 16 standard DTMF tone pairs into a 4-bit output code.
The XD8870 belongs to the standard 8870 DTMF-receiver family and uses the same DIP-18 form factor as the MT8870 / CM8870, so it is commonly considered a second-source option. Always confirm pinout and electrical parameters against the specific datasheet for your design.
The XD8870 operates from a single 5 V supply, with a specified operating range of 4.75 V to 5.25 V per the manufacturer.
The XD8870 is offered in an 18-pin DIP (DIP-18) through-hole package. Xinluda also lists a surface-mount sibling, the XL8870, in an SOP-18 package.
It is used to decode telephone keypad tones in applications such as telecom line tone detection, IVR and paging systems, DTMF remote control, home and industrial automation, security systems, and robotics.
The XD8870 is a specialty Xinluda part with limited authorized-distributor availability. Pacific Component Xchange specializes in hard-to-find and scarce components and can source it on request - submit an RFQ for current availability, lead time, and pricing.
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