BD3827K-E2 - Car Audio Sound Processor | ROHM
部品番号: BD3827K-E2 ✓ 生産中BD3827K-E2 概要
A sound processor is a dedicated analog audio IC that adjusts or conditions multiple audio signal parameters within a vehicle infotainment or head-unit system. By integrating sound-shaping and equalizer functions into one device, the BD3827K family can reduce the number of separate external control components required by a car-audio architecture. Its exact internal signal path, supported filter modes, control interface, and channel configuration must be confirmed from the manufacturer datasheet before a new circuit is released.
The verified manufacturer-linked documents identify BD3827K as an SCF sound processor with equalizer functionality for automotive audio. The E2 ordering code is available from DigiKey as part number 846-BD3827K-E2TR-ND. A distributor-provided datasheet copy also identifies the device as lead-free and RoHS compliant. No numerical input-voltage range, output-voltage range, current consumption, channel count, frequency response, control-bus timing, or absolute maximum ratings were present in the supplied search results.
BD3827K-E2 belongs to ROHM Semiconductor's legacy audio-processing portfolio and is positioned for car-audio rather than general-purpose signal conditioning. Its equalizer role suggests that the device is intended to compensate for speaker, enclosure, cabin, and source characteristics, subject to confirmation of the specific modes and control options in the datasheet. The device should be evaluated against the exact filter architecture, signal levels, control protocol, and end-product test requirements rather than by package alone.
Typical use cases include automotive head units, CD or radio source modules, in-dash audio controllers, car-amplifier input conditioning, and vehicle sound-field adjustment. In these systems, the processor can sit between source audio and downstream amplifiers, allowing tonal corrections to be applied before power amplification. Integration can simplify the analog signal path, but validation must include channel alignment, distortion, noise, clipping, thermal behavior, and automotive operating requirements.
The principal design caution is that the available search snippets do not expose a complete pinout or electrical limit table. Engineers should use the ROHM BD3827K datasheet to confirm every pin, supply connection, ground requirement, external component, control signal, and test point before layout or firmware work. The component is an SSOP package, so pin escape and exposed-pad assumptions must not be made without the full package drawing and pin description.
This product record consolidates the confirmed manufacturer-linked datasheet information, distributor identification, sourcing links, ordering code, and application context for BD3827K-E2. It also separates verified facts from unavailable numerical parameters, helping engineers locate the authoritative six-page BD3827K datasheet and assess car-audio sound-processing requirements without treating inferred specifications as verified production data.
ドロップイン代替品: BD3827K-E2 — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
この製品に利用可能なドロップイン代替品はありません。
代替品をリクエストBD3827K-E2 最大定格＆電気的特性
| Product Type | SCF built-in sound processor |
| Device Function | Sound processor with equalizer |
| Primary Application | Car audio |
| Manufacturer | ROHM Semiconductor |
| パッケージ | SSOP |
| 実装タイプ | Surface mount |
| RoHS ステータス | Compliant |
| Lead-Free Status | Lead-free |
| DigiKey Ordering Code | 846-BD3827K-E2TR-ND |
BD3827K-E2 ssop ピン配置ガイド
BD3827K-E2 (ssop パッケージ) のピン配置。 このアナログコンポーネントは、入力、出力、および電源ピンを備えています。オフセットナル、補償、イネーブルピンの設定については、メーカーのデータシートを参照してください。信号調整やアンプ回路に最適です。
詳細なピン配置データはありません: BD3827K-E2.
詳細は データシート をご参照ください。
主な用途
BD3827K-E2 の用途: 6 件s: Automotive Head Unit Audio Processing, Car Radio and CD Source Equalization, In-Dash Infotainment Sound Conditioning, Vehicle Amplifier Input Conditioning, Multi-Speaker Vehicle Sound Adjustment, Automotive Audio Test and Evaluation.
Automotive Head Unit Audio Processing
BD3827K-E2 is suitable for the sound-shaping stage of a vehicle head unit because the manufacturer-linked datasheet identifies it as an SCF built-in sound processor with equalizer for car audio. It can process source-audio signals before they reach the vehicle's power-amplifier stage, allowing system-level tonal correction according to the installed speakers and cabin environment. Designers should confirm the verified channel count, signal levels, filter modes, control interface, and supply requirements in the BD3827K datasheet before assigning the device to a particular PCB position.
おすすめ
Car Radio and CD Source Equalization
BD3827K-E2 can be evaluated for equalization within a car-radio or CD-source subsystem, where source-level tonal differences must be reconciled with the vehicle loudspeaker response. The documented SCF built-in sound-processor function provides a dedicated implementation path for programmable or fixed sound adjustment ahead of the output amplifier. Integration planning must preserve the device's expected signal amplitude, grounding, control levels, and recommended external network; those details are not available in the supplied snippets and must be taken directly from the manufacturer datasheet.
おすすめ
In-Dash Infotainment Sound Conditioning
BD3827K-E2 is relevant to in-dash infotainment designs that need dedicated car-audio conditioning between an internal media source and the vehicle's speaker amplifiers. Its equalizer-oriented SCF architecture can help implement a repeatable sound profile while keeping the adjustment function separate from the high-power amplification stage. A production design should verify the supported filter banks or modes, channel mapping, control-command format, bypass behavior, and operating-temperature requirements rather than assuming generic equalizer behavior.
おすすめ
Vehicle Amplifier Input Conditioning
BD3827K-E2 may be considered in the input-conditioning path of a vehicle audio amplifier when equalization must be applied before the power stage. Placing the sound processor upstream of the amplifier can distribute tone correction across multiple speakers and reduce the need for repeated adjustment in later amplification stages. The implementation must be checked for compatible signal level, acceptable distortion and noise, stable grounding, and whether the equalizer is intended for stereo, multichannel, or grouped speaker operation; these details require manufacturer-datasheet confirmation.
おすすめ
Multi-Speaker Vehicle Sound Adjustment
BD3827K-E2 is applicable to vehicle systems that require coordinated tonal adjustment across multiple speakers. The confirmed equalizer function can support a design that compensates for different door, dashboard, or rear-cabinet speaker response, subject to the specific filter capabilities documented for the BD3827K family. Engineers should use the datasheet's filter-response curves, control limits, channel definitions, and test setup to establish whether the available adjustment range is adequate for the target cabin and loudspeaker layout.
おすすめ
Automotive Audio Test and Evaluation
BD3827K-E2 can be used in an automotive audio evaluation fixture when engineers need to characterize the documented SCF sound-processing and equalizer behavior independently of a complete head unit. Such a fixture can inject known source signals, observe the conditioned outputs, and automate filter or control-state tests. Because the supplied sources do not expose the pinout, test levels, control protocol, or expected transfer functions, the fixture should be built only after those items are extracted from the manufacturer datasheet and verified against actual samples.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: BD3827K-E2 — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 |
|---|---|
| Product Type | SCF built-in sound processor |
| Primary Application | Car audio |
| Package | SSOP |
| Brand | ROHM Semiconductor |
| Equalizer Function | Yes |
| RoHS Status | Compliant |
| Lead-Free Status | Lead-free |
主な差別化要因
- Dedicated automotive sound-processing function （vs General-purpose audio interface components)
- Established ordering and sourcing identity （vs BD3808FS-E2)
- Verified environmental compliance signal （vs BD3812F)
設計ノート
Do not treat BD3827K and BD3827K-E2 as automatically interchangeable without checking the ROHM ordering table, package drawing, and pin descriptions. The verified cross-reference data associates the E2 ordering code with the BD3827K family, but the supplied results do not expose the package pin count or pin names. Using a generic SSOP footprint without confirming the exact drawing can create board-layout, assembly, and signal-integrity problems.
Build the audio input and output routing around the manufacturer-recommended grounding and external-component network once those values are recovered from the datasheet. Preserve short return paths, keep sensitive audio traces away from switching-converter nodes, and use a quiet reference return for the sound processor. Validate channel alignment and signal level with the complete source, processor, and downstream amplifier rather than testing the IC only at nominal audio frequency.
Determine the power architecture from the datasheet's absolute maximum ratings, typical application circuit, supply range, and current consumption. The available snippets contain no numerical supply or current values, so neither headroom nor dissipation can be calculated responsibly. After those values are confirmed, size local decoupling according to the manufacturer recommendation and evaluate the worst-case audio load, control state, ambient temperature, and copper available around the SSOP footprint.
Use the exact BD3827K package drawing to place decoupling capacitors, control interfaces, and analog signal components. The SSOP lead pitch and pin count were not supplied, so land-pattern generation must wait for verified package dimensions. Keep the processor's analog ground and exposed signal paths compact, avoid routing high-current amplifier outputs beneath the IC, and test the assembled board for hiss, oscillation, channel imbalance, and switching-noise coupling.
コンプライアンス情報
The supplied distributor-hosted datasheet identifies BD3827K-E2 as lead-free and RoHS compliant. The supplied data does not state REACH, halogen-free, conflict-minerals, or automotive-qualification status. AEC-Q100 is not applicable because the part is not identified as an AEC-Q100-qualified automotive device.
