AD2426KCPZ.pdf
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The AD2426KCPZ is part of ADI's A²B® (Automotive Audio Bus) transceiver family. A²B combines multichannel audio data, clock, and synchronization on a single differential pair, simplifying harness design while maintaining deterministic timing and low latency across distributed audio nodes. :contentReference[oaicite:6]{index=6}
Typical A²B topologies use one main node with multiple subordinate nodes in a line (daisy-chain). ADI highlights up to 15 m between nodes and up to 40 m total cable length depending on implementation. :contentReference[oaicite:7]{index=7}
For system integration, the AD2426KCPZ commonly interfaces to a host via I²C (control) and I²S (audio serial port). :contentReference[oaicite:8]{index=8}
Transport multichannel audio + control over one twisted pair, reducing cable weight and complexity. :contentReference[oaicite:9]{index=9}
ADI notes synchronous clocking and low latency node-to-node communication on A²B. :contentReference[oaicite:10]{index=10}
Single main node, multiple sub nodes (line/daisy chain) suits microphones, amps, and remote audio endpoints. :contentReference[oaicite:11]{index=11}
ADI highlights I²C-to-I²C control/status transport plus GPIO/interrupt support in the A²B system concept. :contentReference[oaicite:12]{index=12}
A²B supports multichannel I²S/TDM links across nodes with phase-aligned synchronous clocking. :contentReference[oaicite:13]{index=13}
The AD2426/27/28 datasheet discusses bus functionality extensions and diagnostics considerations (implementation dependent). :contentReference[oaicite:14]{index=14}
ADI data indicates overall latency slightly over two samples between A²B transceivers (<50 μs at 48 kHz). :contentReference[oaicite:15]{index=15}
| Parameter | Value / Condition |
|---|---|
| Manufacturer | Analog Devices |
| Part Number | AD2426KCPZ |
| Function | A²B Audio Bus Transceiver |
| Interface | I²C, I²S :contentReference[oaicite:16]{index=16} |
| Supply Voltage | 3.0 V ~ 3.63 V :contentReference[oaicite:17]{index=17} |
| Package | 32-LFCSP (5×5) / WFQFN EP class :contentReference[oaicite:18]{index=18} |
| Operating Temperature | 0°C ~ 70°C (TA) (per listing; verify per latest datasheet/grade) :contentReference[oaicite:19]{index=19} |
| Topology / Distance (typical) | Line topology; up to 15 m between nodes, up to 40 m overall (design dependent) :contentReference[oaicite:20]{index=20} |
For replacements, match node role (main/sub), channel needs, diagnostics/bus power features, I/O pinout, and temperature grade. ADI provides family datasheet coverage for AD2426/AD2427/AD2428. :contentReference[oaicite:21]{index=21}
Analog Devices (ADI) designs high-performance analog and mixed-signal ICs for automotive, industrial, and communications markets. ADI's A²B® solutions are widely used for in-vehicle distributed audio networking to simplify wiring while preserving deterministic timing. :contentReference[oaicite:25]{index=25}
Distributed audio I/O nodes across the vehicle cabin. :contentReference[oaicite:26]{index=26}
Multi-node audio capture with synchronized clocking and low latency. :contentReference[oaicite:27]{index=27}
Audio transport to remote endpoints over a single twisted pair. :contentReference[oaicite:28]{index=28}
Architectures focused on harness simplification and weight reduction. :contentReference[oaicite:29]{index=29}
Verify PN, reel label, date/lot codes, and package integrity for traceability.
Use ESD-safe workflow and follow moisture handling per package label (LFCSP/QFN).
Validate I²C access, A²B lock/sync, and audio frame stability on pilot boards.
Confirm cable length, connector choice, and EMC margin for your target platform. :contentReference[oaicite:30]{index=30}
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We perform Pre-Shipment Inspection (PSI) on randomly selected units before shipping. If there is an issue with AD2426KCPZ, 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 Analog Devices Inc. AD2426KCPZ, including pin diagrams and datasheets. Our team will respond promptly.






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