IRS2461SXUMA1 - 1-Channel Class-D Audio Amp | Infineon
部品番号: IRS2461SXUMA1 ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $2.4487 | $2.45 |
| 10 | $2.4487 | $24.49 |
| 100 | $2.4487 | $244.87 |
| 500 | $2.4487 | $1,224.35 |
| 1,000 | $2.4487 | $2,448.70 |
IRS2461SXUMA1 概要
A Class-D audio amplifier is a switching power amplifier that uses transistor switching stages to deliver audio energy to a speaker. Compared with a linear audio amplifier, the Class-D category is associated with high conversion efficiency, but the verified data supplied for IRS2461SXUMA1 does not state output power, efficiency, switching frequency, THD+N, load impedance, or thermal limits. Those parameters must therefore be confirmed in the manufacturer datasheet before sizing a speaker, selecting a heatsink, or setting gain.
The verified package information is specific: Infineon lists the IRS2461S family in a 20-lead SOIC package. The 20-lead package is suitable for conventional surface-mount PCB assembly, while the exact exposed-pad arrangement and pin functions are not present in the supplied data. The LCSC result reports availability from $2.4487, and Heisener reports a reference unit price of $3.4419 with 7,536 pieces in stock; these commercial figures are retained as separate source observations and are not treated as a universal price quote.
Typical design use places the analog audio input at the amplifier, with speaker-drive connections and bypass or support networks selected according to the manufacturer reference design. The exact input sensitivity, gain settings, filter values, supply limits, and pin mapping are unavailable in the provided sources. Engineers should use the official Infineon IRS2461S documentation and validate acoustic output, distortion, thermal behavior, and EMI performance in the final enclosure.
This page emphasizes verified sourcing information and clearly identifies missing technical fields rather than estimating them. It combines the manufacturer product classification, distributor observations, package information, application context, and engineering caveats for engineers evaluating an audio amplifier IC.
ドロップイン代替品: IRS2461SXUMA1 — 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。
クイック比較ツール — 並列比較する代替部品を選択:
IRS2461S
✅ ドロップイン📋 参考代替品（カタログ未掲載）
IRS2461SXUMA1 最大定格＆電気的特性
| Product Type | Discrete Class-D audio amplifier IC |
| Speaker Channels | 1 channel |
| Audio Input Type | Analog |
| パッケージ | 20-lead SOIC |
| Channel Count | 1 |
| Device Category | Audio Amplifier IC |
| Amplifier Topology | Class-D |
| Surface-Mount Package | SOIC-20 |
| Input Signal | Analog audio input |
| Manufacturer | Infineon Technologies |
| LCSC Part Number | C4991367 |
| LCSC Reported Price | $2.4487 |
| Heisener Reported Unit Price | $3.4419 |
| Heisener Reported Stock | 7,536 pieces |
IRS2461SXUMA1 soic-20 ピン配置ガイド
IRS2461SXUMA1 (soic-20 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: IRS2461SXUMA1.
詳細は データシート をご参照ください。
主な用途
IRS2461SXUMA1 の用途: 6 件s: Portable Bluetooth Speaker, Compact Soundbar Speaker Module, USB-Powered Desktop Speaker, Consumer Audio Auxiliary Amplifier, Soundbar Subwoofer Channel, Industrial Announcement Speaker Driver.
Portable Bluetooth Speaker
IRS2461SXUMA1 is a candidate amplifier IC for a portable Bluetooth speaker because the verified Infineon listing identifies a 1-channel discrete Class-D audio amplifier with an analog input. It can be positioned after the audio codec or DAC and before the speaker, allowing the amplifier stage to handle the power drive function while the upstream codec controls volume and source selection. The design must still verify output power, speaker impedance, battery voltage range, thermal behavior, and output filtering, because those values are not included in the supplied sources.
おすすめ
Compact Soundbar Speaker Module
The IRS2461SXUMA1 can serve as the power-amplifier element in a compact soundbar or monitor speaker when the system requires one independently driven speaker channel. Its verified 1-channel Class-D classification and analog input suit a signal chain that separates source decoding from speaker drive. The engineer should use the manufacturer reference design to determine gain, input filtering, speaker protection, EMI layout, and supply decoupling; the available data does not establish output wattage or distortion limits.
おすすめ
USB-Powered Desktop Speaker
For a USB-powered desktop speaker, IRS2461SXUMA1 is relevant where an analog codec output can feed a dedicated Class-D speaker driver. The device's verified analog-input interface supports a straightforward connection from a USB audio codec, while the one-channel configuration maps naturally to a small speaker enclosure. USB power availability, amplifier supply regulation, idle current, thermal rise, and acoustic limits must be verified before deployment because the provided sources do not state those values.
おすすめ
Consumer Audio Auxiliary Amplifier
IRS2461SXUMA1 can be evaluated for a consumer auxiliary or active-speaker design where the audio source is analog and only one speaker channel is required. Placing the amplifier after a volume-control or codec stage keeps the power conversion separate from source processing and can simplify the analog signal path. The design review should confirm input range, gain distribution, speaker impedance, protection strategy, and thermal performance from the full Infineon datasheet, since none of those values is supplied by the search results.
おすすめ
Soundbar Subwoofer Channel
The one-channel Class-D architecture makes IRS2461SXUMA1 a candidate for a subwoofer or single-driver channel in a soundbar architecture. The amplifier can receive an analog line-level signal from the soundbar signal-processing chain and drive the selected speaker through the vendor-recommended output network. A subwoofer design especially requires verified minimum load impedance, continuous and peak power, thermal derating, and protection behavior; these specifications are unavailable in the supplied data and must be obtained from Infineon before schematic approval.
おすすめ
Industrial Announcement Speaker Driver
IRS2461SXUMA1 may be considered for a low-voltage industrial announcement or paging speaker when the source is analog and the system needs one Class-D output channel. Its surface-mount 20-lead SOIC package supports conventional PCB assembly and can simplify integration compared with a discrete switching stage. Industrial use still requires confirmation of supply tolerance, EMI behavior, temperature range, isolation expectations, speaker impedance, and protective shutdown behavior; those requirements are not established by the supplied web data.
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: IRS2461SXUMA1 — 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 | IRS2461S |
|---|---|---|
| Brand | Infineon Technologies | Infineon Technologies |
| Package | 20-lead SOIC | 20-lead SOIC |
| Product Type | Discrete Class-D audio amplifier IC | Discrete Class-D audio amplifier IC |
| Speaker Channels | 1 channel | 1 channel |
| Audio Input Type | Analog | Analog |
主な差別化要因
- Single-channel Class-D architecture （vs IRS2461S)
- Analog input interface （vs IRS2461S)
- 20-lead SOIC integration （vs IRS2461S)
設計ノート
Use the Infineon IRS2461S reference layout as the starting point for the 20-lead SOIC footprint. Keep the amplifier power-loop and speaker-output return paths compact, route sensitive analog input traces away from switching-node copper, and provide local supply bypassing at the device pins. The supplied data confirms the package but does not provide exact pin names or layout guidance, so the official datasheet must control the final fanout and copper geometry.
Thermal design cannot be finalized from the supplied sources because output power, efficiency, thermal resistance, and maximum junction temperature are not provided. Before production, calculate worst-case conduction and switching-related dissipation from the confirmed datasheet operating limits, then validate the SOIC land pattern, copper area, airflow, and enclosure temperature. Estimated calculations should use the actual supply voltage, output power, efficiency, and ambient temperature selected for the product.
Do not select IRS2461SXUMA1 solely from its channel count and Class-D label. Confirm speaker impedance, required output power, supply range, input sensitivity, gain configuration, THD+N, and protection requirements from the manufacturer datasheet. Also verify whether the chosen order code is a leaded or tape-and-reel variant and confirm the exact package drawing before releasing artwork.
コンプライアンス情報
The supplied search snippets mention ROHS in third-party listings, but the verified manufacturer result and internal data do not provide an explicit compliance declaration. Compliance fields are therefore left unknown. SOA is not applicable to this audio amplifier IC.
