TAS5754M - 具有混合 RAM/ROM 处理器的 TAS575xM 数字输入、闭环 D 类放大器

TAS5754M是TI德州仪器公司的一款无产品，TAS5754M是具有混合 RAM/ROM 处理器的 TAS575xM 数字输入、闭环 D 类放大器，本站介绍了TAS5754M的封装应用图解、特点和优点、功能等，并给出了与TAS5754M相关的TI元器件型号供参考。

TAS5754M - 具有混合 RAM/ROM 处理器的 TAS575xM 数字输入、闭环 D 类放大器 - 无 - 中/高功率D类放大器 - 德州仪器

产品描述

The TAS5754M device is a high-performance, stereo closed-loop amplifier with integrated audio processor with PurePath? HybridFlow architecture. To convert from digital to analog, it uses a high performance DAC with Burr-Brown mixed signal heritage. It requires only two power supplies: one DVDD for low-voltage circuitry and one PVDD for high-voltage circuitry. It is controlled via a software control port using standard I2C communication. In the family, the TAS5756M uses traditional BD modulation, ensuring low distortion characteristics. The TAS5754M uses 1SPW modulation, reducing the idle current draw at the expense of slightly higher distortion.

The unique HybridFlow architecture allows the system designer to choose from several configurable DSP programs, specifically designed for use in popular audio end equipment like Bluetooth (BT) Speakers, Sound Bars, Docking Stations, Subwoofers. This combines the flexibility of a fully programmable device with the fast download time and ease of use of a fixed function ROM device.

An optimal mix of thermal performance and device cost is provided in the 90 mΩ rDS(ON) of the output MOSFETs. Additionally, a thermally enhanced 48-Terminal TSSOP provides excellent operation in the elevated ambient temperatures found in modern consumer electronic devices.

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产品特性

Flexible Audio I/O Configuration
- Supports I2S, TDM, LJ, RJ Digital Input
- 8 kHz to 192 kHz Sample Rate Support
- Stereo Bridge Tied Load (BTL) or Mono Parallel Bridge Tied Load (PBTL) Operation
- BD Modulation with TAS5756M, 1SPW Modulation with TAS5754M
- Supports 3-Wire Digital Audio Interface (No MCLK required)
High Performance Closed-Loop Architecture (PVDD = 12V, RSPK = 8 Ω, SPK_GAIN = 20dBV)
- Idle Channel Noise = 62 μVrms (A-Wtd)
- THD+N = 0.007 % (at 1 W, 1 kHz)
- SNR = 103 A-Wtd (Ref. to THD+N = 1%)
PurePath HybridFlow Processing Architecture
- Several Configurable MiniDSP Programs (called HybridFlows)
- Download Time <100 ms (typ)
- Advanced Audio Processing Algorithms
Communication Features
- Software Mode Control via I2C Port
- Two Address Select Pins Up to 4 Devices
Robustness and Reliability Features
- Clock Error, DC, and Short-Circuit Protection
- Over Temperature and Overcurrent Protection

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