AD2427BCPZ.pdf
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The AD2427BCPZ belongs to ADI's A²B transceiver family (AD2426/AD2427/AD2428). It enables multichannel I²S/TDM audio transport and control over a single twisted pair with synchronous clock distribution and low latency between nodes. :contentReference[oaicite:106]{index=106}
ADI's AD2427 product information highlights an A²B bus powering feature, where the main node can supply voltage/current to subordinate nodes over the same twisted pair cable used for communication, reducing the need for a local supply on bus-powered nodes (system design dependent). :contentReference[oaicite:107]{index=107}
Distributor listings commonly show 32-LFCSP (5×5) packaging and "audio transceiver" classification; confirm your exact variant's role and feature set in the family datasheet. :contentReference[oaicite:108]{index=108}
ADI notes bus powering where the main node supplies power to subordinate nodes over the same cable. :contentReference[oaicite:109]{index=109}
Family datasheet indicates slightly over two samples latency between transceivers (<50 μs @ 48 kHz). :contentReference[oaicite:110]{index=110}
Line topology supports a single main node and multiple subordinate nodes. :contentReference[oaicite:111]{index=111}
Multichannel audio + control/status over a twisted pair reduces wiring complexity. :contentReference[oaicite:112]{index=112}
Multichannel I²S/TDM transport with synchronous clocking and phase alignment across nodes. :contentReference[oaicite:113]{index=113}
Family datasheet describes additional features and diagnostics across AD2426/27/28. :contentReference[oaicite:114]{index=114}
ADI highlights bus powering capability for AD2427 product line (system dependent). :contentReference[oaicite:115]{index=115}
| Parameter | Value / Condition |
|---|---|
| Manufacturer | Analog Devices |
| Part Number | AD2427BCPZ |
| Function | A²B Audio Bus Transceiver |
| Package | 32-LFCSP (5×5) (per listing) :contentReference[oaicite:116]{index=116} |
| Topology / Distance (typical) | Line topology; up to 15 m between nodes, up to 40 m overall (design dependent) :contentReference[oaicite:117]{index=117} |
| Latency (datasheet note) | Slightly over two samples between transceivers (<50 μs @ 48 kHz) :contentReference[oaicite:118]{index=118} |
| Family Reference | AD2426/AD2427/AD2428 datasheet (Rev. F) :contentReference[oaicite:119]{index=119} |
Substitute within the A²B family by matching node role, bus power requirements, diagnostics, and temperature grade. ADI provides a family datasheet covering AD2426/27/28. :contentReference[oaicite:120]{index=120}
Analog Devices (ADI) develops A²B® audio networking solutions to simplify automotive audio system wiring while maintaining deterministic timing, synchronous clocking, and low-latency distributed node communication. :contentReference[oaicite:124]{index=124}
Daisy-chained nodes across cabin audio endpoints. :contentReference[oaicite:125]{index=125}
Designs leveraging A²B bus power to reduce local power supplies (system dependent). :contentReference[oaicite:126]{index=126}
Multichannel audio + control/status over twisted pair simplifies harness design. :contentReference[oaicite:127]{index=127}
Deterministic, synchronous audio transport with low latency. :contentReference[oaicite:128]{index=128}
Confirm PN/lot/date codes and packaging integrity; maintain traceability.
Strict ESD controls and moisture management for LFCSP/QFN packages.
When using bus power, validate voltage drop, current budget, and fault cases on real harness. :contentReference[oaicite:129]{index=129}
Confirm compliance with platform EMC requirements and cable-length constraints. :contentReference[oaicite:130]{index=130}
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Please contact us for technical documents and support related to Analog Devices Inc. AD2427BCPZ, including pin diagrams and datasheets. Our team will respond promptly.
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