TAS5719 - 具有集成电容器的数字输入立体声放大器，无耳机放大器

TAS5719是TI德州仪器公司的一款无产品，TAS5719是具有集成电容器的数字输入立体声放大器，无耳机放大器，本站介绍了TAS5719的封装应用图解、特点和优点、功能等，并给出了与TAS5719相关的TI元器件型号供参考。

TAS5719 - 具有集成电容器的数字输入立体声放大器，无耳机放大器 - 无 - 中/高功率D类放大器 - 德州仪器

产品描述

The TAS5717/TAS5719 is a 10-W/15-W, efficient, digital audio-power amplifier for driving stereo bridge-tied speakers. One serial data input allows processing of up to two discrete audio channels and seamless integration to most digital audio processors and MPEG decoders. The device accepts a wide range of input data and data rates. A fully programmable data path routes these channels to the internal speaker drivers.

The TAS5717/9 is a slave-only device receiving all clocks from external sources. The TAS5717/TAS5719 operates with a PWM carrier between a 384-kHz switching rate and a 352-KHz switching rate, depending on the input sample rate. Oversampling combined with a fourth-order noise shaper provides a flat noise floor and excellent dynamic range from 20Hz to 20 kHz.

产品特性

Audio Input/Output
- TAS5717 Supports 2×10 W and TAS5719 Supports 2×15 W Output
- Wide PVDD Range, From 4.5 V to 26 V
- Efficient Class-D Operation Eliminates Need for Heatsinks
- Requires Only 3.3 V and PVDD
- One Serial Audio Input (Two Audio Channels)
- I2C Address Selection via PIN (Chip Select)
- Supports 8-kHz to 48-kHz Sample Rate (LJ/RJ/I2S)
- External Headphone-Amplifier Shutdown Signal
- Integrated CAP-Free Headphone Amplifier
- Stereo Headphone (Stereo 2-V RMS Line Driver) Outputs
Audio/PWM Processing
- Independent Channel Volume Controls With 24-dB to Mute
- Programmable Two-Band Dynamic Range Control
- 14 Programmable Biquads for Speaker EQ
- Programmable Coefficients for DRC Filters
- DC Blocking Filters
- 0.125-dB Fine Volume Support
General Features
- Serial Control Interface Operational Without MCLK
- Factory-Trimmed Internal Oscillator for Automatic Rate Detection
- Surface Mount, 48-Pin, 7-mm × 7-mm HTQFP Package
- AD, BD, and Ternary PWM-Mode Support
- Thermal and Short-Circuit Protection
Benefits
- EQ: Speaker Equalization Improves Audio Performance
- DRC: Dynamic Range Compression. Can Be Used As Power Limiter. Enables Speaker Protection, Easy Listening, Night-Mode Listening
- DirectPath Technology: Eliminates Bulky DC Blocking Capacitors
- Stereo Headphone/Stereo Line Drivers: Adjust Gain via External Resistors, Dedicated Active Headpone Mute Pin, High Signal-to-Noise Ratio
- Two-Band DRC: Set Two Different Thresholds for Low- and High-Frequency Content

FilterPro is a trademark of Texas Instruments.

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