TAS5066PAG - 6-Channel 24-Bit PWM Audio Processor | TI
MPN： TAS5066PAG ✓ 啟用中TAS5066PAG 概覽
A digital audio PWM processor is an interface and signal-generation IC positioned between a digital audio source and a class-D-style output stage. Its hierarchy is digital audio processor, audio interface IC, integrated circuit, and semiconductor. Rather than directly driving a conventional analog input, it accepts digital audio data and produces PWM control information for compatible power stages. This division of responsibilities allows a system to retain a digital audio datapath while placing the high-current, high-voltage amplification function in a dedicated power stage.
The TAS5066PAG provides six processing channels, a 24-bit audio data resolution, and support for audio sample rates ranging from 44.1 kHz through 192 kHz. These parameters suit multichannel consumer, communications, and embedded audio designs in which multiple synchronized output channels are required. The 3 V to 3.6 V operating range also places the device in power domains commonly used by digital audio logic. I2S supports synchronized audio streaming, while I2C provides a separate control path for configuration and register access.
The device integrates digital audio processing and PWM generation in one 64-pin TQFP package. According to the Texas Instruments TAS5066 datasheet, the supported initialization procedures cover changing data rates and switching between master and slave operating modes. Master mode provides a device-generated timing reference, whereas slave mode allows the processor to synchronize with an external audio master. These operating modes support integration into systems where the clock and sample-rate architecture must follow a central audio controller.
Typical uses include multichannel powered speakers, audio docking systems, home entertainment equipment, and compact digital audio subsystems. The six-channel architecture can feed a bank of compatible output stages, while the broad sample-rate range covers CD-rate 44.1 kHz sources as well as higher-rate 48 kHz, 96 kHz, and 192 kHz streams. The Texas Instruments TAS5111DAD is a relevant output-stage companion because it is designed to work with TAS5066-family digital audio processing in PurePath applications.
A primary design consideration is digital clocking. I2S data, master or slave timing, and sample-rate changes must be coordinated to prevent channel misalignment. The 64-TQFP footprint also requires careful fanout of power, ground, clock, data, and control signals. Use the manufacturer pin-description table and recommended application schematic when assigning PCB tracks and configuring the device registers.
This product page consolidates the confirmed TAS5066PAG electrical limits, interface capabilities, package details, sourcing parameters, and verified drop-in cross-reference into an engineering-oriented reference. It also identifies the Texas Instruments TAS5111DAD as a companion output stage and explains the clocking, layout, and replacement considerations that matter when designing a six-channel digital audio PWM subsystem.
直接替換替代品，適用於 TAS5066PAG — 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。
TAS5066PAGRG4
✅ 直接替換📋 參考替代品（不在目錄中）
TAS5066PAG 最大額定值與電氣特性
| Product Type | Six-channel digital audio PWM processor |
| Number of Channels | 6 channels |
| Audio Data Resolution | 24 bit |
| Supply Voltage Range | 3 V to 3.6 V |
| Supported Sample Rate Range | 44.1 kHz to 192 kHz |
| Audio Data Interface | I2S |
| Control Interface | I2C |
| 工作溫度範圍 | 0 °C to +70 °C |
| Package Type | 64-TQFP |
| Package Body Dimensions | 10 mm × 10 mm |
| Total Pin Count | 64 pins |
| 安裝類型 | Surface mount |
| RoHS 狀態 | Compliant |
| Master/Slave Timing Modes | Master or slave operation |
| External Companion Output Stage | TAS5111DAD |
| Output Signal Type | PWM-based audio output control |
TAS5066PAG 10 mm × 10 mm 腳位配置指南
TAS5066PAG（10 mm × 10 mm 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： TAS5066PAG.
請參閱 資料表 以查看完整腳位配置。
典型應用
TAS5066PAG 適用於 6 應用s: Six-Channel Powered Speaker System, Digital Audio Docking System, Home Theater Audio Processor, Powered Speaker Amplifier Board, Network Audio Media Hub, Audio Communication Endpoint.
Six-Channel Powered Speaker System
TAS5066PAG fits a six-channel powered-speaker controller because it combines six digital audio processing channels, 24-bit resolution, and I2S streaming in one 64-TQFP device. The processor can receive synchronized multichannel audio from a host and generate PWM control information for six compatible output channels. Its 44.1 kHz-to-192 kHz sample-rate range supports both conventional CD-rate content and higher-resolution sources. In a practical implementation, the host supplies I2S data and clocking while I2C handles configuration, allowing the TAS5066PAG to synchronize six amplifier channels without six independent audio processors.
推薦
Digital Audio Docking System
A docking system can use TAS5066PAG to centralize multichannel digital-audio routing before power amplification. Its six channels support speaker, headphone-related, or auxiliary digital-audio paths that require synchronized outputs, while the 24-bit processing width preserves high-resolution source data. The I2S interface is suitable for receiving streams from a source codec or digital interface, and I2C provides a separate route for register setup. At 3 V to 3.6 V, the processor fits common embedded logic rails, reducing the need for an additional level-shifting stage in a compact portable design.
推薦
Home Theater Audio Processor
TAS5066PAG is appropriate for a home-theater subsystem that must distribute six channels of digital audio to powered output stages. It supports sample rates from 44.1 kHz to 192 kHz, allowing the same processor architecture to cover standard-definition and high-resolution audio streams. I2S carries synchronized channel data into the processor, and I2C provides a control path for setup, rate changes, and operating-mode selection. Master or slave timing lets the TAS5066PAG either establish audio timing or follow the system clock architecture, which is useful when coordinating it with video, networking, or amplifier-control electronics.
推薦
Powered Speaker Amplifier Board
TAS5066PAG can form the digital control center of a powered-speaker amplifier board containing multiple class-D-style output channels. Instead of passing analog audio through separate preamplifier paths, the processor receives 24-bit I2S audio and produces coordinated PWM information for the power stage. Six-channel support makes it suitable for surround-sound or multiway installations. The device’s 3 V to 3.6 V operating range aligns with low-voltage digital logic, and its separate I2C control interface permits host configuration while audio continues through the I2S datapath.
推薦
Network Audio Media Hub
TAS5066PAG can support the audio-output section of a network media hub when decoded digital audio is delivered to the device over I2S. The processor provides six synchronized PWM-control channels for downstream amplification, reducing the need for parallel audio routing logic. Its support for 44.1 kHz through 192 kHz accommodates common network-audio formats after decoding and resampling. The I2C interface gives a network or system controller a separate method for configuring the processor, while master or slave timing allows the hub to coordinate audio timing with its source clock and other multimedia subsystems.
推薦
Audio Communication Endpoint
TAS5066PAG can be integrated into a communications endpoint that requires several synchronized audio outputs or auxiliary digital-audio channels. Its six-channel architecture supports multichannel monitoring or distributed speaker control, while the 24-bit datapath accommodates high-resolution digital streams. I2S provides a standardized audio-data connection to a codec or host, and I2C handles configuration without sharing the audio bus. Sample rates from 44.1 kHz to 192 kHz support voice, music, and mixed-media pipelines, while the 64-TQFP package provides a defined implementation target for controlled fanout.
推薦
工程參考資料，適用於 TAS5066PAG — 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 | TAS5066PAGRG4 |
|---|---|---|
| Package | 64-TQFP (10 mm × 10 mm) | 64-TQFP (10 mm × 10 mm) |
| Brand | Texas Instruments | Texas Instruments |
| Number of Channels | 6 channels | 6 channels |
| Audio Resolution | 24 bit | 24 bit |
| Operating Voltage Range | 3 V to 3.6 V | 3 V to 3.6 V |
| Supported Sample Rates | 44.1 kHz to 192 kHz | 44.1 kHz to 192 kHz |
| Audio Interface | I2S | I2S |
| Control Interface | I2C | I2C |
| Timing Modes | Master or slave operation | Master or slave operation |
主要差異化特點
- Direct same-footprint replacement path (對比TAS5066PAGRG4)
- Six-channel integration in one processor (對比TAS5066PAGRG4)
- Broad digital-audio rate coverage (對比TAS5066PAGRG4)
設計說明
Route the I2S data, bit-clock, frame-clock, and master-clock signals as a controlled group, with continuous return paths and no switching-regulator or high-current PWM traces beneath them. Keep the 64-TQFP footprint’s power and ground connections directly tied to low-impedance planes. The I2S timing relationship must remain intact across all six channels because an incorrectly assigned clock or data pin can corrupt channel alignment even when every signal appears electrically connected.
Do not change the operating rate or master/slave state without following the initialization sequence described in the Texas Instruments TAS5066 datasheet. A rate transition performed in the wrong sequence can leave the internal audio channels unsynchronized. Plan software and hardware validation around 44.1 kHz, 48 kHz, 96 kHz, and 192 kHz operating conditions, including the clock source and I2S frame alignment required for each mode.
Use a low-noise 3 V to 3.6 V supply with local high-frequency bypass placed close to the device’s supply pins. Separate the digital supply path from high-current amplifier switching outputs to prevent PWM current transients from disturbing the audio processor’s reference and clock signals. Validate the supply under all six output channels operating simultaneously, since worst-case switching activity can expose inadequate source impedance even when static voltage measurements appear correct.
Treat the audio clock as the reference for all six channels and verify setup, hold, and frame timing against the manufacturer’s electrical characteristics. Avoid long stubs between the audio source and TAS5066PAG, especially when routing between board regions. If the source and processor are on separate boards, use source-synchronous clocking and controlled impedance rather than relying on a loosely terminated cable connection.
合規資訊
RoHS compliance is identified for TAS5066PAG. No separate REACH, lead-free, halogen-free, or conflict-minerals status was established for this ordering code.
