TAS5504PAG - 4-Channel Digital Audio PWM Processor | Texas Instruments
部品番号: TAS5504PAG ✓ 生産中TAS5504PAG 概要
A digital audio PWM processor is a specialized signal-processing IC used to transform digital audio streams into control signals for power amplifiers and other audio output stages. Within the broader hierarchy, it belongs to digital signal processing, audio processing, and power-management interface components. Its digital architecture separates audio data conversion from the final analog power-amplifier stage, allowing digital controls and processing to operate before the signal reaches the power circuitry.
The TAS5504PAG provides four independent audio channels and supports digital interfaces described in the verified distributor data as I2C and I2S. The I2S interface is used for serial audio data transfer, while I2C supports device configuration. The 32 kHz to 192 kHz range covers standard consumer-audio rates through high-resolution audio, making the processor applicable to multichannel audio systems that need centralized digital control.
Its 64-TQFP package provides 64 connection positions for digital audio data, control, clocking, power, ground, and configuration signals. The 10 mm by 10 mm package is larger than a compact QFN but offers ample routing access for the numerous interfaces needed by a four-channel processor. A multilayer PCB with a low-impedance ground plane and short, terminated clock and data routes is appropriate when signal integrity is important.
Typical applications include digital active speakers, multichannel audio amplifiers, home-theater amplification, soundbars, and compact consumer-audio systems. The processor can receive digital audio from a source or host processor and provide modulation data for a multi-channel amplifier stage. Compared with an analog-input-only controller, a digital architecture can preserve the source signal in digital form until power amplification.
The primary design consideration is confirming that the host interface, audio data format, sample rate, channel mapping, and amplifier topology match the system requirements. The 3 V to 3.6 V supply range also requires regulators with suitable headroom and low-noise behavior. Decoupling capacitors should be positioned close to the supply and ground pins, while clock and I2S traces should be routed away from switching nodes.
This page consolidates verified distributor specifications, current pricing references, same-package replacement candidates, and practical implementation guidance. It also distinguishes verified drop-in candidates from higher-channel-count devices that are not true pin-compatible replacements, helping engineers avoid an unqualified board-level substitution.
ドロップイン代替品: TAS5504PAG — 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。
TAS5504PAGR
✅ ドロップイン📋 参考代替品（カタログ未掲載）
TAS5504APAGR
✅ ドロップイン📋 参考代替品（カタログ未掲載）
TAS5518PAGRG4
✅ ドロップイン📋 参考代替品（カタログ未掲載）
TAS5518PAGR
✅ ドロップイン📋 参考代替品（カタログ未掲載）
TAS5504PAG 最大定格＆電気的特性
| Product Type | 4-channel digital audio PWM processor |
| Number of Audio Channels | 4 channels |
| Supply Voltage Range | 3 V to 3.6 V |
| Audio Sampling Rate Range | 32 kHz to 192 kHz |
| Digital Audio Interface | I2S |
| Control Interface | I2C |
| Package Type | 64-TQFP (10 x 10 mm) |
| ピン数 | 64 pins |
| 実装タイプ | Surface mount |
| Supplier Device Package | 64-TQFP (10 x 10 mm) |
| Manufacturer Category | Audio Special Purpose |
| Processor Function | Digital audio PWM processing |
| Digital Signal Processing Type | Digital |
| RoHS ステータス | ROHS3 compliant |
| Reference Unit Price | 5.8664 USD as of 2026-10-30 |
TAS5504PAG 64-tqfp (10 x 10 mm) ピン配置ガイド
TAS5504PAG (64-tqfp (10 x 10 mm) パッケージ) のピン配置。 このデジタルICには、GPIO、通信インターフェース (UART、SPI、I2C)、および電源ピンが含まれています。代替ピン機能と設定オプションについては、メーカーのデータシートを参照してください。組み込みシステム設計とPCBレイアウトに不可欠です。
詳細なピン配置データはありません: TAS5504PAG.
詳細は データシート をご参照ください。
主な用途
TAS5504PAG の用途: 6 件s: Multichannel Digital Active Speakers, Home-Theater Multi-Channel Amplification, Soundbar Speaker Arrays, Digital Audio Power-Amplifier Control, High-Resolution Audio Processing, Professional and Installed Audio.
Multichannel Digital Active Speakers
The TAS5504PAG fits a four-way digital active-speaker architecture because it combines four digital audio channels with a 32 kHz to 192 kHz sampling-rate range. A host processor can send multichannel I2S audio to the TAS5504PAG, which then performs digital processing and produces modulation signals for four power-amplifier channels. Keeping the audio path digital until the output stage can reduce analog distortion and simplify channel routing. The design should verify amplifier compatibility, gain mapping, and protection requirements against the manufacturer datasheet. Its 64-TQFP package also provides ample routing access for clock, data, control, and power connections on a multilayer board.
おすすめ
Home-Theater Multi-Channel Amplification
The TAS5504PAG is appropriate for four-channel home-theater amplification where digital audio is distributed to separate power stages. Its four-channel architecture can map discrete surround-audio channels, while I2S provides the serial digital audio path and I2C provides configuration access from the main system controller. The supported 32 kHz to 192 kHz range accommodates common streaming, optical, and high-resolution-audio formats after host-side decoding. Exact channel order, master-clock requirements, and modulation topology must be confirmed from the datasheet, because the supplied excerpts do not expose the complete pin-level interface definition.
おすすめ
Soundbar Speaker Arrays
A soundbar can use the TAS5504PAG to process four digital audio channels in a compact product. The processor supports I2S audio transfer and I2C configuration, allowing a system controller to coordinate volume, routing, and channel-specific processing before signals reach the speaker amplifiers. Its four-channel count is a natural fit for left, right, center, and surround or woofer arrangements, although the actual allocation is system-dependent. Because the verified package is a 64-pin, 10 mm by 10 mm TQFP, the PCB should provide adequate component clearance, thermal copper, and short return paths for high-frequency digital signals.
おすすめ
Digital Audio Power-Amplifier Control
The TAS5504PAG is suited to digital power-amplifier control because it is specifically identified as a digital audio PWM processor rather than an analog audio amplifier. Digital source data enters through the I2S interface, is processed on four channels, and is used to control downstream power stages through the device's modulation outputs. This architecture allows channel processing to remain in the digital domain until the final power-amplifier stage. The precise modulation method, output configuration, and required external networks are not included in the supplied excerpts, so engineers should use the 96-page manufacturer datasheet before selecting amplifier and filter components.
おすすめ
High-Resolution Audio Processing
The TAS5504PAG supports sampling rates from 32 kHz through 192 kHz, giving it applicability in high-resolution digital-audio systems. A digital source or audio codec can deliver decoded PCM data over I2S, while the host configures operating behavior through I2C. The four-channel processing capacity supports multichannel listening environments without requiring four separate control devices. Clock quality and data-line layout remain critical because the supplied data does not specify the complete timing envelope. Designs should route I2S and clock signals over continuous reference planes, avoid splitting ground returns beneath the processor, and verify all interface levels against the manufacturer datasheet.
おすすめ
Professional and Installed Audio
The TAS5504PAG can serve professional or installed-audio systems that require a programmable digital signal path for four amplified channels. Its 32 kHz to 192 kHz operating range supports multiple source formats, and its I2C control interface permits centralized configuration from a system controller. In a rack or console design, the 64-TQFP package is practical for a controlled PCB layout with ample access to supply decoupling and routed digital interfaces. Firmware, amplifier-channel mapping, fault behavior, and thermal requirements must be independently validated; the verified excerpts establish the processor identity and principal interfaces but do not provide the full control-register or protection specification.
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: TAS5504PAG — 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 | TAS5504PAGR | TAS5504APAGR | TAS5518PAGRG4 | TAS5518PAGR |
|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 64-TQFP (10 x 10 mm) | 64-TQFP (10 x 10 mm) - same | 64-TQFP (10 x 10 mm) - same | 64-TQFP (10 x 10 mm) - same | 64-TQFP (10 x 10 mm) - same |
| Audio Channels | 4 channels | 4 channels | 4 channels | 8 channels | 8 channels |
| Processor Function | 4-channel digital audio PWM processor | PWM controller | PWM controller | PWM controller | PWM controller |
主な差別化要因
- Four-channel processing with a verified high-resolution audio range （vs TAS5518PAGRG4)
- Verified I2S audio and I2C control interfaces （vs TAS5504APAGR)
- Avoids the channel-count mismatch of the TAS5508CPAG （vs TAS5508CPAG)
設計ノート
Design the 3 V to 3.6 V supply so that it remains inside the verified operating range at startup, maximum processing activity, and worst-case temperature. Place the datasheet-required local bypass capacitors directly beside the associated supply and ground pins, with very short ground returns. The supplied excerpts do not state the required capacitance, ripple limit, or startup timing, so those values must not be inferred from the generic 3 V to 3.6 V rating.
Route I2S data, clock, and I2C control signals over a continuous ground reference and keep switching-power or high-current amplifier outputs away from these nets. Match clock and data topology to the host interface, avoiding unnecessary stubs and test pads that add discontinuities. The verified excerpts identify I2S and I2C but do not specify logic thresholds, input capacitance, timing margins, or clock topology; verify all four in the manufacturer datasheet before release.
Use the 64-pin, 10 mm by 10 mm TQFP footprint with adequate assembly clearances and thermal copper. Place decoupling, configuration components, and any required support components before assigning long I2S and I2C routes. Maintain a low-impedance ground plane under and around the processor, avoid plane splits beneath digital signal paths, and provide manufacturing courtyard space compatible with the 64-lead package and associated output networks.
Do not treat the TAS5508CPAG as a substitute merely because it uses a similar 64-TQFP package. The verified comparison states that its eight-channel configuration, additional protection logic, and routing flexibility make it unsuitable as a direct TAS5504PAG drop-in. Validate channel mapping, control-register behavior, amplifier interface signals, and protection thresholds for every proposed replacement, especially when moving from TAS5504PAG to the TAS5518 family.
コンプライアンス情報
The verified ics-audio.com listing identifies TAS5504PAG as ROHS3 compliant. No verified REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statement was supplied.
