BD3806FS-E2 Audio Processor | ROHM Semiconductor
MPN: BD3806FS-E2 ✓ ActiveBD3806FS-E2 Overview
An audio special-purpose IC is an integrated circuit optimized for functions such as audio amplification, channel control, signal processing, and drive-stage management. Unlike a general-purpose operational amplifier, an audio processor can incorporate application-specific circuitry intended to simplify multi-channel or medium-power audio designs. The supplied records classify the BD3806FS-E2 specifically as an audio processor, but they do not provide a verified datasheet or internal database specifications for its voltage, current, gain, channel count, frequency response, or protection features.
The verified distributor classification is the principal functional attribute available for this part. Its application context is identified as medium-power linear and switching applications, indicating that it is associated with audio power-chain design rather than general signal processing. One supplier describes the device as an audio channel, while another labels it an audio processor. The latter appears repeatedly across distributor records and is therefore used as the primary product description in this data set.
Physical packaging must be confirmed before PCB design or procurement. Verified sources contain both “22SOP” and “SSOP32” descriptions for BD3806FS-E2. Because the available records conflict and do not provide a complete manufacturer pinout, no reliable pin numbering or exposed-pad arrangement can be published here. The component should be ordered only after its ordering code, package drawing, lead pitch, and terminal mapping have been checked against the current ROHM Semiconductor datasheet or a distributor-controlled CAD and data sheet.
BD3806FS-E2 can be evaluated for consumer audio channels, powered speakers, compact stereo systems, and other medium-power audio products in which the circuit requires an integrated audio function rather than a generic signal-path amplifier. Its precise suitability depends on supply voltage, output topology, channel configuration, thermal dissipation, and required protection, none of which can be confirmed from the supplied web evidence. Engineers should therefore avoid making final architecture or layout decisions from the distributor category alone.
The primary design caution is to verify package and electrical data before substitution or assembly. A distributor listing may combine historical LAPIS Semiconductor material with a current ROHM Semiconductor record, and inconsistent package descriptions are present in the evidence. Obtain the authoritative datasheet, confirm the exact ordering suffix, and compare every pin function before compiling a footprint or designing a replacement. Distributor availability should also be checked at order time because the provided search results do not contain a stable inventory count or quoted price table.
This page consolidates the verified distributor classifications, package conflicts, sourcing links, and available cross-reference evidence for BD3806FS-E2. It deliberately distinguishes confirmed information from missing electrical data and avoids inventing voltage ratings, pin definitions, pricing, drop-in equivalents, or lifecycle claims that were not supplied by the verified sources.
Drop-in alternatives for BD3806FS-E2 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
No drop-in alternatives available for this product.
Request AlternativesBD3806FS-E2 Maximum Ratings & Electrical Characteristics
| Manufacturer | ROHM Semiconductor |
| Product Classification | Audio Special Purpose |
| Device Type | Audio processor / audio channel IC |
| Application Category | Medium-power linear and switching applications |
| Reported Package | 22SOP |
| Alternate Reported Package | SSOP-32 |
| Packaging | Tape & Reel (TR) |
| RoHS Status | Compliant |
| Mounting Type | Surface Mount |
BD3806FS-E2 ssop-32 Pin Configuration Guide
Pin configuration for BD3806FS-E2 (ssop-32 package). This analog component features input, output, and power supply pins. Refer to the manufacturer datasheet for offset null, compensation, and enable pin configurations. Ideal for signal conditioning and amplifier circuits.
No detailed pinout data available for BD3806FS-E2.
Refer to the datasheet for full pin configuration.
Typical Applications
BD3806FS-E2 is suitable for 6 applications: Compact Stereo Audio Channels, Powered Speaker Amplification, Consumer Audio Signal Conditioning, Multi-Channel Audio Equipment, Audio Power-Supply Control, Portable Audio Products.
Compact Stereo Audio Channels
The BD3806FS-E2 can be evaluated for compact stereo audio channels because verified distributor records classify it as an audio processor or audio channel device associated with medium-power linear and switching applications. Its confirmed category supports the functional fit, while the reported 22SOP or SSOP-32 package descriptions determine the required PCB footprint. Before schematic capture, engineers should obtain the authoritative datasheet and confirm channel count, supply limits, output topology, and thermal performance. That verification is essential because the supplied sources do not disclose whether the device provides one or multiple channels, nor do they provide power ratings, gain, distortion, or protection thresholds. The part should be selected only when those parameters meet the target speaker load and amplifier architecture.
Recommended
Powered Speaker Amplification
BD3806FS-E2 may be considered for a powered-speaker drive stage after its medium-power linear and switching application association is matched to the required output capability. The verified records identify an audio special-purpose IC rather than a generic analog amplifier, which makes it relevant to integrated channel designs. However, output power, load impedance, current limit, thermal resistance, and protection behavior are absent from the supplied data and cannot be inferred from the phrase medium-power. The conflicting 22SOP and SSOP-32 descriptions further require package confirmation before layout. Use the manufacturer datasheet to establish whether the topology can drive the selected speaker and sustain the required thermal margin.
Recommended
Consumer Audio Signal Conditioning
The audio special-purpose classification makes BD3806FS-E2 a candidate for evaluation in consumer audio signal-conditioning paths, including volume-control, channel-routing, or integrated amplification sections. The supplied evidence confirms the device’s broad audio role and medium-power linear and switching context, but it does not reveal signal-path topology, gain control, channel selection, or feedback configuration. Consequently, engineers should not assume that it can replace a generic operational amplifier in filtering, mixing, or line-driver applications. The appropriate process is to compare the verified application block diagram, pin functions, electrical limits, and package drawing against the target signal chain before committing the component to a consumer audio product.
Recommended
Multi-Channel Audio Equipment
BD3806FS-E2 can be evaluated for multi-channel audio equipment when a dedicated audio processor provides a better fit than a collection of discrete amplifiers and routing elements. Verified distributor listings consistently associate the MPN with audio processing and medium-power linear and switching applications. They do not disclose the number of output channels, however, so the part cannot yet be assigned to a specific stereo, surround, or distributed-speaker architecture. Engineers should verify channel count, shared power limits, synchronization behavior, and thermal conditions from the authoritative datasheet. The reported package conflict must also be resolved because a footprint mismatch would prevent use in an existing multi-channel design even if the electrical functionality were acceptable.
Recommended
Audio Power-Supply Control
The medium-power linear and switching application description makes BD3806FS-E2 relevant for investigation within an audio power chain where amplification and supply-control functions may be integrated. Verified sources classify the MPN as an audio special-purpose IC and distinguish it from a conventional standalone power-management component. Still, no regulator, switching-frequency, efficiency, or quiescent-current data was supplied, so it would be incorrect to describe the device as a specific converter or regulator. Design teams should inspect the authoritative block diagram and electrical tables to determine whether any internal supply-control function supports the target topology. If the part provides no relevant function, an external audio power solution should be selected instead.
Recommended
Portable Audio Products
BD3806FS-E2 may be evaluated for portable or compact audio products that use integrated medium-power audio processing rather than a discrete output stage. Its verified audio special-purpose classification and surface-mount assembly support that direction, while tape-and-reel packaging is reported by one source. Critical portable-product concerns such as supply range, efficiency, quiescent current, channel efficiency, thermal rise, and battery impact remain unavailable in the supplied evidence. Engineers must also reconcile the 22SOP versus SSOP-32 package reports before estimating board area. The device should advance only after manufacturer documentation proves that its electrical and thermal characteristics satisfy the product’s battery, enclosure, and acoustic-output targets.
Recommended
Recommended Products Summary
Engineering reference data for BD3806FS-E2 — comparison, design guidance, and compliance information.
Selection Guide
Key Differentiators
- Dedicated audio-special-purpose classification (vs BD3429K-E2)
- Medium-power audio application association (vs BD3429K-E2)
- Broad distributor availability information (vs BD3429K-E2)
Design Notes
Do not release a PCB footprint until the 22SOP versus SSOP-32 conflict is resolved. Obtain the current ROHM Semiconductor package drawing for the exact BD3806FS-E2 ordering suffix and verify body dimensions, lead pitch, pin count, and exposed-pad requirements. Use the manufacturer CAD model where available, then compare it against the distributor symbol because distributor records for this part appear to mix historical LAPIS Semiconductor information with current ROHM Semiconductor sourcing data.
Confirm the authoritative supply-voltage range, output-current limit, quiescent current, and power dissipation before designing an amplifier around BD3806FS-E2. The supplied evidence calls the device suitable for medium-power linear and switching applications but provides no numeric ratings, so a thermal or efficiency calculation would be speculative. Check the manufacturer absolute-maximum and recommended-operating-condition tables, then verify startup, current limiting, and protection behavior for the intended speaker load.
Do not treat a distributor category label as proof of pin compatibility or functional equivalence. The targeted cross-reference search produced no candidate documented as same-package and pin-to-pin compatible with BD3806FS-E2. Any proposed replacement should first reproduce the package and every terminal function, then be compared against supply voltage, channel configuration, gain, output drive, thermal limits, and application-specific behavior. Soldering a similarly named or similarly categorized IC is not a validated substitution strategy.
Compliance Information
A supplier listing identifies BD3806FS-E2 as RoHS compliant. No verified evidence in the supplied data establishes REACH, lead-free, halogen-free, conflict-minerals, or automotive qualification status.
