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TAS5709A的基本参数
  • 制造厂商:TI
  • 产品类别:音频
  • 技术类目:音频放大器 - 扬声器放大器
  • 功能描述:具有扬声器 EQ 和 DRC 的 20W 立体声、8V 至 24V 电源电压、数字输入、开环 D 类音频放大器
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TAS5709A的产品详情:

The TAS5709 is a 20-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 TAS5709 is a slave-only device receiving all clocks from external sources. The TAS5709 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 20?Hz to 20 kHz.

The TAS5709A is identical in function to the TAS5709, but has a unique I2C device address. The address of the TAS5709 is 0x36. The address of the TAS5709A is 0x3A.

TAS5709A的优势和特性:
  • Audio Input/Output
    • 20-W Into an 8- Load From an 18-V Supply
    • Wide PVDD Range, From 8 V to 24 V
    • Efficient Class-D Operation Eliminates Need for Heatsinks
    • Requires Only 3.3 V and PVDD
    • One Serial Audio Input (Two Audio Channels)
    • Supports 8-kHz to 48-kHz Sample Rate (LJ/RJ/I2S)
  • Audio/PWM Processing
    • Independent Channel Volume Controls With 24 dB to Mute
    • Soft Mute (50% Duty Cycle)
    • Programmable 2-Band Dynamic Range Control
    • 22 Programmable Biquads for Speaker EQ and Other Audio-Processing Features
    • Programmable Coefficients for DRC Filters
    • Programmable Input and Output Mixers
    • DC Blocking Filters
    • Support for 3D Effects
    • Pseudo Bass 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
    • 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
    • Two-Band DRC: Sets Two Different Thresholds for Low- and High-Frequency Content
    • Autobank Switching: Preload Coefficients for Different Sample Rates. No Need to Write New Coefficients to the Part When Sample Rate Changes
    • Autodetect: Automatically Detects Sample-Rate Changes. No Need for External Microprocessor Intervention

TAS5709A的参数(英文):
  • Audio input type
  • Digital Input
  • Architecture
  • Class-D
  • Speaker channels (Max)
  • Stereo
  • Power stage supply (Max) (V)
  • 24
  • Power stage supply (Min) (V)
  • 8
  • Load (Min) (ohms)
  • 6
  • Output power (W)
  • 20
  • SNR (dB)
  • 106
  • THD + N @ 1 kHz (%)
  • 0.06
  • Iq (Typ) (mA)
  • 29
  • Control interface
  • Hardware, Software
  • Closed/open loop
  • Open
  • Analog supply (Min) (V)
  • 3
  • Analog supply (Max) (V)
  • 3.6
  • Sampling rate (Max) (kHz)
  • 48
  • Operating temperature range (C)
  • 0 to 85
TAS5709A具体的完整产品型号参数及价格(美元):

TAS5709A的完整型号有:TAS5709AGPHP、TAS5709AGPHPR、TAS5709APHP、TAS5709APHPR,以下是这些产品的关键参数及官网采购报价:

TAS5709AGPHP,工作温度:0 to 85,封装:HTQFP (PHP)-48,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:NIPDAU,TI官网TAS5709AGPHP的批量USD价格:USD(1000+)

TAS5709AGPHPR,工作温度:0 to 85,封装:HTQFP (PHP)-48,包装数量MPQ:1000个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:NIPDAU,TI官网TAS5709AGPHPR的批量USD价格:USD(1000+)

TAS5709APHP,工作温度:0 to 85,封装:HTQFP (PHP)-48,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:NIPDAU,TI官网TAS5709APHP的批量USD价格:3.323(1000+)

TAS5709APHPR,工作温度:0 to 85,封装:HTQFP (PHP)-48,包装数量MPQ:1000个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:NIPDAU,TI官网TAS5709APHPR的批量USD价格:2.812(1000+)

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