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TAS5709

AKTIV

Class-D-Audioverstärker, 20 W Stereo, 8- bis 24-V-Stromversorgung, Digitaleingang, Open-Loop, mit La

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TAS5709

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Audio input type Digital Input Architecture Class-D Speaker channels (max) Stereo Rating Catalog Power stage supply (max) (V) 24 Power stage supply (min) (V) 8 Load (min) (Ω) 6 Control interface Hardware, Software Closed/open loop Open Analog supply (min) (V) 3 Analog supply voltage (max) (V) 3.6 Sampling rate (max) (kHz) 48 Operating temperature range (°C) 0 to 85
Audio input type Digital Input Architecture Class-D Speaker channels (max) Stereo Rating Catalog Power stage supply (max) (V) 24 Power stage supply (min) (V) 8 Load (min) (Ω) 6 Control interface Hardware, Software Closed/open loop Open Analog supply (min) (V) 3 Analog supply voltage (max) (V) 3.6 Sampling rate (max) (kHz) 48 Operating temperature range (°C) 0 to 85
HTQFP (PHP) 48 81 mm² 9 x 9
  • 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
  • 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

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.

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.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet 20-W STEREO DIGITAL AUDIO POWER AMPLIFIER WITH EQ AND DRC datasheet (Rev. A) 11 Sep 2009

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