BD3486FS-E2 - 32-Pin SSOP Audio Processor | ROHM
MPN： BD3486FS-E2 ✓ 啟用中BD3486FS-E2 概覽
An audio sound processor is an audio special-purpose integrated circuit that provides signal-conditioning or channel-management functions beyond those of a basic operational amplifier. Within the product hierarchy, the BD3486FS-E2 can be classified as an audio-channel IC, then a sound processor, then an analog mixed-signal semiconductor, and finally an integrated circuit. This position explains why the device is suited to equipment requiring dedicated audio signal handling rather than general-purpose logic.
The BD3486FS-E2 is offered in a compact 32-pin SSOP with a 0.8 mm lead pitch. Its 32-pin arrangement provides access to multiple audio-channel and control connections, making it appropriate for multi-channel audio paths. The package is designed for surface-mount assembly, allowing automated production and compact PCB layouts. Tape-and-reel packaging supports high-volume manufacturing and automated component placement.
Because the device is identified by ROHM as a multifunctional gate and sound processor, its practical configuration depends on the signal sources, channel-routing requirements, gain-control strategy, and external support components used in the target circuit. Signal integrity depends on short, properly terminated audio traces, stable reference connections, and decoupling placed close to the device. Component selection and final schematic verification should follow the pin-description table and typical application circuits in the manufacturer datasheet.
Typical uses include multi-channel sound processors, audio-channel routing blocks, compact consumer-audio electronics, and equipment that processes several related audio signals. The part may also appear in specialized playback, communication, and control systems where an integrated audio function reduces the number of separate analog components. Input and output signal levels, supported source impedance, and permissible loading must be checked against the manufacturer's electrical limits before layout release.
A disciplined design should first map every BD3486FS-E2 pin to its required function, then define the shortest practical signal path between source, processor, and destination. Keep the audio return path continuous, maintain low-impedance supply and reference distribution, and reserve the package's unused or conditional pins according to the manufacturer recommendations. This page also organizes sourcing, comparison, and engineering guidance around the exact BD3486FS-E2 ordering designation.
The key practical benefit of the BD3486FS-E2 is its combination of dedicated audio processing, a 32-pin 0.8 mm SSOP footprint, and production-oriented tape-and-reel packaging. Its compact pin count supports integrated channel management while preserving manufacturability. For an engineering selection, confirm signal-path compatibility, operating limits, pin availability, and lifecycle status against the current ROHM datasheet before committing a new design.
直接替換替代品，適用於 BD3486FS-E2 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
BD3486FS
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
BD3486FS-E2 最大額定值與電氣特性
| Device Type | Audio sound processor / audio-channel IC |
| 供應電壓 | 8.5 V |
| Package Type | 32-pin SSOP |
| Package Pitch | 0.8 mm |
| 安裝類型 | Surface mount |
| Packaging | Tape & Reel |
| 類別 | Audio Special Purpose |
| Circuit Type | Analog mixed-signal IC |
BD3486FS-E2 0.8 mm 腳位配置指南
BD3486FS-E2（0.8 mm 封裝）的腳位配置。 此類比元件具有輸入、輸出與電源腳位。偏移歸零、補償與致能腳位配置請參閱製造商資料表。適用於訊號調理與放大器電路。
無詳細腳位定義資料： BD3486FS-E2.
請參閱 資料表 以查看完整腳位配置。
典型應用
BD3486FS-E2 適用於 6 應用s: Multi-Channel Audio Processing, Compact Consumer Audio Equipment, Audio Signal Routing, Playback and Recording Signal Paths, Communications Audio Front End, Industrial Sound Control Module.
Multi-Channel Audio Processing
The BD3486FS-E2 fits multi-channel audio processing because ROHM identifies the device as a multifunctional sound processor with an audio-channel function. Its 32-pin SSOP package provides connections for several audio and control functions within a compact footprint. Place the IC where source, processed, and destination audio paths can remain short, and verify each channel's direction and operating mode against the pin-description table. The 8.5 V supply architecture must be integrated with suitable local bypassing. The main engineering benefit is consolidation of dedicated channel functions, although the designer must confirm channel count, signal range, gain behavior, and permitted loading before finalizing the schematic.
Compact Consumer Audio Equipment
BD3486FS-E2 is appropriate for space-conscious consumer-audio equipment that needs a dedicated processor rather than a general-purpose amplifier. The 32-pin, 0.8 mm pitch SSOP permits compact routing compared with a large through-hole package, while tape-and-reel packaging supports automated assembly. Designers should plan a stable 8.5 V supply, low-impedance ground distribution, and short paths from the source to the processor. Validate the audio bandwidth, output drive, and source impedance at the intended signal level so the integrated function operates within its electrical limits.
Audio Signal Routing
The BD3486FS-E2 can be evaluated for audio signal-routing blocks where multiple related signals must be conditioned or managed by a dedicated mixed-signal IC. Its 32-terminal SSOP gives the circuit access to several pins without using a larger package. Build the routing section around the manufacturer pin table rather than assuming a conventional left/right layout, and keep analog traces away from switching-node and clock signals. A clean 8.5 V rail and careful reference grounding improve repeatability. The principal benefit is dedicated integration, but input and output loading must be checked before insertion into an existing signal chain.
Playback and Recording Signal Paths
BD3486FS-E2 suits playback, recording, and monitoring paths that require a dedicated audio-channel function within a compact mixed-signal design. The processor can be positioned between source circuitry and downstream audio stages, allowing channel behavior to be established in one controlled section. Engineers should preserve a continuous analog ground path, decouple the 8.5 V supply near the device, and test signal-to-noise behavior across the intended source impedance and load. Because gain, frequency response, and distortion limits are application-critical, use the ROHM datasheet values and typical circuit when setting external components.
Communications Audio Front End
BD3486FS-E2 may be used in a communications audio front end when the system requires a dedicated multi-pin sound-processing function and the documented electrical limits fit the channel bandwidth. Place the processor near the recovered-audio source and downstream codec or amplifier to minimize sensitive trace length. Use controlled return paths and avoid placing high-current switching returns beneath the analog pins. The 8.5 V supply requirement must be reconciled with the communication equipment's power tree. Confirm noise, distortion, input range, and output loading in the actual source impedance and channel-isolation conditions.
Industrial Sound Control Module
BD3486FS-E2 can support an industrial sound-control module that processes several related audio signals within a compact surface-mount assembly. Its 32-pin SSOP package and tape-and-reel format are practical for automated production, while the multifunctional gate classification supports dedicated control-oriented signal handling. Design the module around stable analog and power grounding, provide local high-frequency decoupling, and separate switching power paths from sensitive audio routes. Confirm operating-temperature suitability, channel isolation, and fault conditions against the manufacturer limits before using it in a production industrial system.
工程參考資料，適用於 BD3486FS-E2 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | BD3486FS |
|---|---|---|
| Package | 32-pin SSOP | 32-pin SSOP |
| Brand | ROHM Semiconductor | ROHM Semiconductor |
| Device Type | Audio sound processor / audio-channel IC | Audio sound processor |
| Pin Count | 32 pins | 32 pins |
| Mounting Type | Surface mount | Surface mount |
| Circuit Classification | Analog mixed-signal IC | Silicon monolithic integrated circuit |
| Function | Multifunctional gate / audio sound processor | Multifunctional gate / sound processor |
主要差異化特點
- Exact-ordering identifier with tape-and-reel production format (對比BD3486FS)
- Dedicated multifunctional audio processing (對比General-purpose analog interface IC)
- Compact 32-pin surface-mount integration (對比Larger through-hole audio processor)
設計說明
Assign all 32 terminals directly from the manufacturer pin-description table before schematic capture. Preserve short analog paths, maintain a continuous ground reference beneath the device where the package drawing permits, and route switching-current paths away from audio inputs. The 0.8 mm pitch requires a manufacturer-compatible land pattern, fine-pitch assembly inspection, and adequate solder-paste volume without bridging adjacent leads.
Build the supply around the documented 8.5 V operating condition and place the required bypass capacitors close to their specified supply and ground pins. Confirm whether the datasheet requires separate filtering for analog sections, and verify the source can support the device's peak current. Use short, wide supply and return paths to reduce inductance and prevent audio-channel interaction during transient load changes.
Evaluate each audio path with the actual source impedance, output loading, cable or PCB capacitance, and intended frequency range. Terminate outputs as shown in the typical application circuit, avoid long stubs, and keep external compensation or gain-setting networks close to their associated pins. Confirm gain stability and signal margin because package substitution alone does not establish equivalent audio performance.
Do not substitute the base BD3486FS designation solely because both identifiers appear in the same family documents. Check the ordering suffix, temperature grade, package form, and electrical requirements in the manufacturer ordering information. Also avoid treating the distributor's audio-channel classification as proof of a particular pinout or channel count; those details must come from the package drawing and pin table.
合規資訊
No specific RoHS, REACH, lead-free, halogen-free, or conflict-minerals declarations are stated in the available product information. AEC-Q100 is not applicable to this general-purpose audio IC.
