ATR2732-40-EK2 - DAB Digital Processing Eval Kit | Microchip
MPN: ATR2732-40-EK2 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
ATR2732-40-EK2 Overview
An evaluation kit (EVK) is a pre-assembled hardware development platform that lets designers exercise a target device's full feature set without fabricating a custom PCB. In the power-management and audio-signal-chain hierarchy, such kits sit at the top of the design flow: device selection is followed by evaluation-board prototyping, firmware development, and finally custom board bring-up. The ATR2732-40-EK2 serves that first stage for the Microchip (formerly ATR/Hibred) ATR2732 + ATR2740 DAB chipset.
Key elements of the kit include the ATR2732 DAB digital processing IC, the ATR2740 companion device, and supporting board infrastructure per the Microchip media box/eval tool description published by distributors such as Mouser and DigiKey. The '-40-' designation in the part number denotes the device speed grade family, and the 'EK2' suffix identifies the second-generation evaluation kit hardware revision.
Typical applications include DAB radio receiver prototyping, automotive infotainment front-end development, digital radio media player evaluation, and RF/baseband signal-path characterization. Because the board integrates both chipset members, engineers can evaluate the complete receive chain from RF front-end (ATR2740) through digital audio processing (ATR2732).
Designers should obtain the current kit user guide from Microchip directly, since detailed board schematics, connector pinouts, and bill-of-materials are documented in Microchip's official evaluation-kit documentation rather than distributor listings.
This page synthesizes distributor inventory data, cross-reference search results, and practical sourcing guidance not found on the manufacturer's own product pages.
Drop-in alternatives for ATR2732-40-EK2 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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Request AlternativesATR2732-40-EK2 Specifications (manufacturer-published)
| Product Type | DAB Digital Processing Evaluation Board / Media Box Eval Tool |
| Target Devices | ATR2732, ATR2740 |
| Kit Contents | KIT MEDIA/EVAL ATR2732 + ATR2740 |
| Function | DAB digital audio broadcast processing evaluation |
| Manufacturer | Microchip Technology |
| Product Family | Audio IC Development Tools / RF Evaluation and Development Kits, Boards |
| Utilized IC Part Number | ATR2732-40 |
| Mounting Type | Evaluation board (bench-top use) |
ATR2732-40-EK2 Interfaces & Connectors
No manufacturer-published interface list is available for ATR2732-40-EK2. Refer to the manufacturer documentation for connector and header details.
Refer to the manufacturer documentation for the full expansion header pinout and connector pin numbering.
Typical Applications
ATR2732-40-EK2 is suitable for 6 applications: DAB Radio Receiver Prototyping, Automotive Infotainment Development, Digital Media Player Evaluation, RF/Baseband Signal-Path Characterization, Firmware Development and Validation, Industrial DAB Broadcast Monitoring.
DAB Radio Receiver Prototyping
The ATR2732-40-EK2 fits DAB receiver prototyping because it pairs the ATR2732 DAB digital processing device with the ATR2740 companion on a ready-made media-box platform, eliminating custom board risk during early feasibility work. Engineers exercise the full receive chain - RF front-end, baseband demodulation, and digital audio decoding - without first designing a PCB. Because the kit is the vendor-recommended evaluation vehicle, benchmark results such as sensitivity and audio output quality map directly to later production designs using the same chipset. Performance considerations include verifying power-supply architecture and clocking against the kit reference design before transferring the topology to a production schematic.
Recommended
Automotive Infotainment Development
Automotive infotainment teams use the ATR2732-40-EK2 to validate DAB digital audio processing intended for vehicle radio platforms, where digital broadcast reception is mandatory in many European markets. The kit lets firmware and system engineers characterize decoder behavior, channel scan performance, and audio output interfaces under controlled bench conditions before automotive-grade board spins. A practical consideration is that evaluation hardware does not itself demonstrate AEC-Q100 qualification - production device selection and compliance testing remain separate program tasks. Using the kit early surfaces integration issues, such as power sequencing and audio clocking, that would otherwise appear late in vehicle-level validation, reducing redesign cost.
Recommended
Digital Media Player Evaluation
Media-player developers evaluate the ATR2732 + ATR2740 chipset on this kit to assess DAB-sourced audio playback quality and decoding throughput in consumer and professional media products. The board's media-box architecture, as described in Microchip's 'KIT MEDIA/EVAL ATR2732+ATR2740' designation, provides the interfaces needed to stream decoded audio to external DAC or amplifier stages during characterization. Engineers can quantify latency, audio output formats, and robustness of the digital processing path against weak-signal conditions. A design consideration is replicating the kit's decoupling and clock layout in the production design, since audio quality in such chains is sensitive to supply noise and clock jitter.
Recommended
RF/Baseband Signal-Path Characterization
The kit supports RF and baseband characterization because it exposes the boundary between the ATR2740 front-end and the ATR2732 digital processing device in a bench-accessible form. Engineers can inject controlled RF test signals, observe decoded audio quality metrics, and measure how demodulation performance degrades with signal level - data that informs antenna design and front-end filtering in the production radio. Distributors categorize the kit under RF Evaluation and Development Kits, Boards, reflecting this RF-oriented use. The key performance consideration is that bench results reflect the kit's reference layout; production sensitivity can differ if grounding, shielding, or supply filtering deviate from the Microchip reference design.
Recommended
Firmware Development and Validation
Embedded teams use the ATR2732-40-EK2 as the target platform for DAB decoder firmware development, since the kit provides a stable, vendor-supported hardware baseline with the exact ATR2732 + ATR2740 silicon that production firmware will run on. Developing against the evaluation kit first isolates software defects from board-level hardware issues, dramatically shortening debug cycles. The EK2 hardware generation also serves as a regression-test fixture for firmware updates across a development program. A practical consideration is controlling kit firmware versions during team development so that measured behavior differences are attributable to code changes rather than tool configuration drift across multiple boards.
Recommended
Industrial DAB Broadcast Monitoring
The ATR2732-40-EK2 can anchor early-stage industrial DAB broadcast monitoring and test-equipment prototypes, where a known-good decode chain is needed to verify signal availability and audio content of broadcast networks. The integrated ATR2732 digital processing and ATR2740 companion allow a monitoring node to be demonstrated quickly before a purpose-built board is designed. Because the platform is an evaluation tool rather than a productized module, long-term deployments require a custom board using the same chipset. Performance considerations include verifying receiver sensitivity margins against site requirements and ensuring the production design duplicates the kit's supply filtering and clock architecture to preserve decode reliability in electrically noisy environments.
Recommended
Recommended Products Summary
Engineering reference data for ATR2732-40-EK2 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product |
|---|---|
| Brand | Microchip Technology |
| Package | Evaluation board (media box form factor) |
| Product Type | DAB Digital Processing Evaluation Board |
| Target Devices | ATR2732 + ATR2740 |
| Kit Contents | KIT MEDIA/EVAL ATR2732 + ATR2740 |
| Application Domain | DAB / digital radio media box |
| Hardware Generation | EK2 (second-generation eval kit) |
| Pricing Model | Quote-based (as of 2026-09-19) |
Key Differentiators
- Complete chipset evaluation on one board (vs Individual ATR2732 device purchase)
- Vendor-supported media-box platform (vs Generic third-party DAB dev platforms)
- Trade-off: legacy DAB scope (vs Current-generation radio SoC evaluation kits)
Design Notes
Do not treat the ATR2732-40-EK2 as a production component. It is an evaluation platform for the ATR2732 + ATR2740 chipset; production designs require the devices to be designed onto a custom PCB with your own power, clocking, and RF layout. Plan the transition early: capture measurement results (sensitivity, audio quality, power consumption) on the kit in a structured way so they become acceptance criteria for the first production board spin.
When transferring the kit's reference topology to a production board, replicate Microchip's decoupling, grounding, and clock layout as documented in the official kit user guide. DAB decode performance and audio quality are sensitive to supply noise and clock integrity, so deviations from the reference layout commonly show up as reduced sensitivity or audible artifacts. Obtain the kit schematics and layout files from the Microchip product support portal rather than reverse-engineering the board.
Because the ATR2732-40-EK2 is a legacy DAB platform (archived datasheet reference dated 1997 per FindIC), confirm current lifecycle status and software support with Microchip before committing a development program. Secure at least one spare kit per project team, since cross-reference searches return no equivalent replacement kit and distributor stock (about 2 channels per Octopart) can deplete without notice.
Compliance Information
DigChip listing includes a Lead Free Status field for this part but the retrieved value is not exposed; compliance details must be confirmed with Microchip.