Xinluda (Shenzhen Xinluda Information Technology Co., Ltd.) Electronic Parts
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The Xinluda XL567 is a general-purpose phase-locked-loop (PLL) tone decoder supplied in an 8-pin SOP (SOIC) package. It is designed to provide a saturated transistor switch to ground whenever an input signal is present within the device’s passband. Internally the circuit consists of an I and Q detector pair driven by a voltage-controlled oscillator (VCO) that sets the center frequency of the decoder, with external components used to independently set the center frequency, bandwidth, and output delay. The XL567 is the SOP-8 member of the Xinluda 567 family (the DIP-8 variant is the XD567) and follows the industry-standard 567 tone-decoder pinout and architecture.
The XL567 is a Xinluda-branded tone decoder with limited authorized-distributor coverage, which can make it difficult to procure reliably for production runs and legacy designs. Pacific Component Xchange is an independent distributor specializing in hard-to-find and obsolete power-management ICs, signal-chain parts, and optocouplers. We help engineers and buyers secure scarce parts like the XL567 with a focus on authenticity, traceability, and global shipping.
Because the XL567 is offered on a Request-for-Quote basis, our sourcing team can confirm current availability, lead time, packaging, and date codes for your required quantity. Contact Pacific Component Xchange for an RFQ and let us locate authentic XL567 inventory for your build.
The XL567 is a general-purpose phase-locked-loop (PLL) tone decoder from Xinluda in an 8-pin SOP package. It switches a saturated transistor to ground when an input signal is present within its passband, using internal I and Q detectors driven by a voltage-controlled oscillator.
Yes. The XL567 is Xinluda's implementation of the industry-standard 567 tone decoder, sharing the same 567 pinout and I/Q-detector-plus-VCO architecture used by classic 567 / LM567 / NE567 devices. Always confirm pin-for-pin and electrical compatibility against your specific design before substituting.
They are the same tone decoder in different packages. The XL567 is the SOP-8 (SOIC) version, while the XD567 is the DIP-8 (through-hole) version. Electrical specifications are otherwise identical and both share the same datasheet.
The XL567 has a recommended supply voltage of 3.5 V to 8.5 V (9 V absolute maximum). Its center frequency is adjustable with external components from about 0.01 Hz up to 500 kHz, with a 20:1 frequency range set by an external resistor.
Common uses include touch-tone (DTMF) / key tone decoding, precision oscillators, frequency monitoring and control, wideband FSK demodulation, ultrasonic controls, carrier-current remote controls, and communication paging decoders.
The XL567 is offered on a Request-for-Quote basis due to limited authorized-distributor availability. Submit an RFQ to Pacific Component Xchange with your quantity and we will confirm pricing, lead time, packaging, and authentic inventory.
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