ZL38051LDF1.pdf
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The ZL38051LDF1 is a voice-focused audio processing IC from Microchip Technology, built for modern security and smart-home devices where speech clarity is critical. It belongs to the Timberwolf audio processor family and is often used to extract intelligible speech from environments affected by echo, background noise, reverberation and acoustic feedback.
A key advantage of ZL38051LDF1 is the integration of AcuEdge™ firmware capabilities, which combine multiple audio enhancement blocks into a single DSP platform. Typical functions include AEC for full-duplex voice paths, beamforming for directional pickup, noise reduction to suppress ambient noise, and DoA (Direction of Arrival) support for voice-source direction features.
For product teams building IP cameras or doorbells, this type of integrated voice DSP can reduce system complexity by consolidating audio enhancement into one device. It is also supported by configuration/tuning tools (e.g. GUI-based tuning) to speed up development and optimize real-world performance. The device is available in a compact 64-pin QFN (9 mm × 9 mm) package suitable for space-constrained designs.
Integrated AEC, noise reduction and voice enhancement blocks help deliver clearer speech for two-way audio, especially in noisy or echo-prone environments commonly found in security and smart-home applications.
Beamforming (BF) support enables designs that focus on the desired speaker direction while attenuating off-axis noise sources, improving voice capture quality for IP cameras and doorbells.
Combines multiple audio processing functions into one DSP platform, potentially reducing BOM cost and simplifying audio subsystem design compared with multi-chip approaches.
Supported by vendor tuning/configuration tools, helping engineers quickly iterate microphone placement, algorithm parameters and acoustic performance to match enclosure and application requirements.
Designed to reduce far-end echo in full-duplex communication, improving conversational clarity in doorbells, intercoms and camera audio systems.
Noise reduction (NR) blocks suppress steady and time-varying background noise, while howling suppression helps mitigate acoustic feedback in compact enclosures.
Supports directional audio capture and DoA-related features for multi-microphone designs, helping separate voice from ambient sound and improving pickup performance.
| Parameter | Value / Condition |
|---|---|
| Manufacturer | Microchip Technology (Microsemi Timberwolf family) |
| Part Number | ZL38051LDF1 |
| Product Type | Audio DSP / Voice Processing IC |
| Main Functions | AcuEdge™ voice enhancement: AEC, Beamforming (BF), Noise Reduction (NR), DoA support, howling suppression |
| Typical End Equipment | IP cameras, security cameras, video doorbells, home automation control panels |
| Package | 64-pin QFN (9 mm × 9 mm) |
| Ordering Style | Tape & Reel (common production ordering format) |
| Compliance | RoHS 2 (per family datasheet ordering notes) |
Voice DSP processors are highly application-specific (microphone count, acoustic design, firmware feature set). If you are evaluating alternatives, compare algorithm support (AEC/BF/NR), interface compatibility and tuning tools. Possible options in similar categories may include:
For a drop-in replacement, always validate pinout, firmware availability, tuning workflow, latency and acoustic performance in the target enclosure.
Microchip Technology is a global supplier of microcontrollers, analog, mixed-signal and embedded solutions. Through its Microsemi portfolio, Microchip also offers specialized security and communication ICs, including voice and audio processing families designed for demanding industrial and security applications.
Microchip's voice-processing solutions are widely used in smart-home and security devices where robust real-world audio performance and long-term supply support are important for production deployments.
Enhances two-way audio quality by reducing echo and noise, improving voice pickup for indoor/outdoor surveillance.
Supports clearer duplex communication and reduces howling/feedback in compact enclosures with close speaker/mic spacing.
Improves intelligibility for entry systems and access control panels where background noise is common.
Adds robust voice enhancement for voice-enabled control panels and smart-home hubs in acoustically challenging rooms.
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Our experienced QC team strictly verifies and tests ZL38051LDF1. Only qualified suppliers who pass our audit can list ZL38051LDF1 on OEM STOCK GLOBAL LIMITED. We pay close attention to sourcing channels and product quality so you can purchase with confidence.
Pricing and inventory for ZL38051LDF1 fluctuate and are updated periodically (typically within 24 hours). Quotations generally remain valid for 5 days unless otherwise stated.
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We perform Pre-Shipment Inspection (PSI) on randomly selected units before shipping. If there is an issue with ZL38051LDF1, returns/replacements are accepted when:
Steps: (1) Inform us within 90 days; (2) Obtain Return Authorization (RMA) before sending items back.
Please contact us for technical documents and support related to Microchip Technology ZL38051LDF1, including pin diagrams and datasheets. Our team will respond promptly.
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