TAS5132DDV - 20W Stereo Class-D Amplifier | Texas Instruments
部品番号: TAS5132DDV ✓ 生産中TAS5132DDV 概要
A Class-D audio amplifier is a switching power amplifier that converts a PWM command signal into a filtered, high-current speaker waveform. It belongs to the hierarchy audio amplifier, digital amplifier, power amplifier, and semiconductor. Unlike a linear output stage, the switching architecture reduces the energy dissipated by the output devices during many operating conditions. The TAS5132DDV is specifically positioned as a digital power stage because its input is PWM rather than a conventional low-level analog audio signal.
The primary headline capabilities are 20 W stereo output, 40 W mono output, and a 0 V to 19 V supply range. These specifications make the device suitable for powered speakers, compact audio systems, sound bars, and other applications that require efficient stereo amplification. The 44-pin HTSSOP package provides a high pin count for power delivery, control connections, and signal routing, although the exact terminal assignments and exposed-pad requirements must be taken from the manufacturer pin configuration.
The PWM-input architecture allows a digital audio source to supply the modulation signal directly. System designers therefore need to account for the switching nature of the stage, output-filter design, speaker impedance, supply capability, and system grounding. The manufacturer product page identifies the TAS5132 as a 20 W stereo, 40 W mono, 0 V to 19 V PWM-input Class-D audio amplifier, making the device appropriate when a power stage must be paired with a digital modulator upstream.
Typical applications include compact stereo speakers, multimedia speaker systems, home-audio products, portable powered speakers, sound-bar transducers, and auxiliary audio modules. In each case, the upstream audio engine must generate a compatible PWM signal, while the power supply must remain within the stated 0 V to 19 V operating range. Mono operation can be used where a single channel must deliver the higher 40 W output rating.
The principal design consideration is that this device is a power stage rather than a complete audio input amplifier. Signal conditioning, volume control, tone control, and PWM generation must be implemented elsewhere when required. Designers should also follow the manufacturer datasheet for output-filter component selection, thermal management, exposed-pad layout, supply bypassing, and maximum electrical limits rather than inferring those details from the package name.
This page combines the exact manufacturer power and supply ratings with practical placement guidance, application analysis, and a strict drop-in-replacement assessment. It also distinguishes verified device characteristics from parameters that require confirmation in the complete manufacturer datasheet, helping engineers plan sourcing and design reviews without relying on unverified substitutes.
ドロップイン代替品: TAS5132DDV — 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TAS5132DDV 最大定格＆電気的特性
| Amplifier Type | Class-D stereo digital power-stage amplifier |
| Channel Configuration | 2-channel stereo |
| Stereo Output Power | 20 W |
| Mono Output Power | 40 W |
| Supply Voltage Range | 0 V to 19 V |
| Input Signal Type | PWM |
| パッケージ | 44-pin HTSSOP (DDV) |
| Total Pin Count | 44 pins |
| 実装タイプ | Surface mount |
| Product Type | Stereo digital amplifier power stage |
| 出力構成 | Stereo or mono |
| Technology | Class-D switching amplification |
TAS5132DDV 44-pin htssop (ddv) ピン配置ガイド
TAS5132DDV (44-pin htssop (ddv) 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: TAS5132DDV.
詳細は データシート をご参照ください。
主な用途
TAS5132DDV の用途: 6 件s: Compact Stereo Speaker, Multimedia Speaker System, Home Audio Sound Bar, Portable Powered Speaker, Digital Audio Monitor, Industrial Audio Notification Module.
Compact Stereo Speaker
The TAS5132DDV fits a compact powered stereo speaker that uses a digital audio engine to generate PWM drive signals. Its 20 W stereo rating provides the headline output capability for each amplified channel, while the 0 V to 19 V supply range supports the stated operating envelope. The device should be placed close to the speaker output connectors so speaker-current paths remain short, with the manufacturer-recommended output filter and exposed-pad layout implemented. Because TAS5132DDV is a power stage rather than an input amplifier, the upstream processor must provide compatible PWM signals. Speaker impedance, supply capacity, and thermal performance must be verified against the complete operating conditions before production release.
Multimedia Speaker System
A multimedia speaker system can use TAS5132DDV when its digital audio controller supplies PWM commands to the power stage. The device's 20 W per-channel stereo capability is suited to a two-way powered speaker architecture, while its 40 W mono rating offers an alternative operating arrangement for designs centered on one amplified channel. System integration requires the correct output-filter network, stable supply bypassing, and a return-current layout that controls switching noise. Place the amplifier close to the speaker terminals, keep sensitive audio and logic sections separated, and follow the Texas Instruments application guidance for thermal-pad connection and component selection.
Home Audio Sound Bar
TAS5132DDV can serve as the Class-D power stage in a home-audio sound bar when the main processor performs decoding, volume control, channel routing, and PWM generation. Two amplifier channels can be configured for 20 W stereo output, or one channel can use the 40 W mono capability where greater output is required. The surface-mount 44-pin HTSSOP package supports compact board construction, but its exposed thermal pad must be connected according to the manufacturer layout. Use short output traces, adequate copper for thermal spreading, and filtering that preserves the intended speaker response without introducing unacceptable losses.
Portable Powered Speaker
The TAS5132DDV is applicable to portable powered-speaker designs that already use a digital modulator and need higher output than a small signal amplifier can provide. Its stated 20 W stereo configuration can support left and right channels, and its 40 W mono rating can serve a single-speaker or bridged system configuration where appropriate. Battery-powered implementation requires a supply that remains within the 0 V to 19 V range under load, with attention to conversion efficiency and available current. Low audio artifacts also depend on PWM timing and filtering, so the complete manufacturer application circuit should be used rather than selecting output components without system-level simulation.
Digital Audio Monitor
A powered monitor or digital loudspeaker can employ TAS5132DDV as its output power stage when the audio engine generates the required PWM waveform. The 20 W stereo rating suits common nearfield monitor formats, while the 40 W mono operation provides additional headroom for a dedicated subwoofer or single-channel configuration. The design must account for output-filter response, speaker impedance, clipping behavior, and thermal conditions. Keep the switching supply and high-current speaker outputs away from sensitive input circuitry, connect the exposed pad as directed by the datasheet, and validate acoustic performance with the complete filter-speaker-load combination.
Industrial Audio Notification Module
An industrial audio notification module can use TAS5132DDV when it requires local amplification from a digital control system rather than a low-power analog speaker driver. The 20 W stereo capability supports dual-speaker alerting or announcement outputs, while the 40 W mono rating can serve a higher-power single transducer. Industrial deployments should verify enclosure ventilation, ambient temperature, speaker impedance, and supply tolerance against the complete electrical limits. The switching output stage should be isolated spatially from sensitive sensing electronics, and the power source should provide the required startup and sustained-load behavior within the 0 V to 19 V supply range.
エンジニアリング参考データ: TAS5132DDV — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
コンプライアンス情報
Compliance status must be confirmed for the exact orderable device using the manufacturer product page and current regulatory declarations. No compliance conclusion is inferred solely from the DDV package designation.
