TAS5705

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Class-D-Audioverstärker, 20 W Stereo, 8- bis 23-V-Stromversorgung, Digitaleingang, Open-Loop, mit La

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Datenblatt

document-pdfAcrobat 20-W stereo Digital Audio Power Amplifier With EQ and DRC datasheet (Rev. A) (Englisch)

TAS5705

AKTIV

Datenblatt

Jetzt bestellen

Produktdetails

Audio input type

Digital Input

Architecture

Class-D

Speaker channels (max)

Stereo

Rating

Catalog

Power stage supply (max) (V)

23

Power stage supply (min) (V)

8

Load (min) (Ω)

6

Output power (W)

20

SNR (dB)

105

THD + N at 1 kHz (%)

0.24

Iq (typ) (mA)

30

Control interface

Hardware, Software

Closed/open loop

Open

Analog supply (min) (V)

3

Analog supply voltage (max) (V)

3.6

Sampling rate (max) (kHz)

192

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)

23

Power stage supply (min) (V)

8

Load (min) (Ω)

6

Output power (W)

20

SNR (dB)

105

THD + N at 1 kHz (%)

0.24

Iq (typ) (mA)

30

Control interface

Hardware, Software

Closed/open loop

Open

Analog supply (min) (V)

3

Analog supply voltage (max) (V)

3.6

Sampling rate (max) (kHz)

192

Operating temperature range (°C)

0 to 85

HTQFP (PAP)

64

144 mm² 12 x 12

Audio Input/Output
- 20-W Into an 8- Load From an 18-V Supply
- Wide Power-Supply Range From (8 V to 23 V)
- Efficient Class-D Operation Eliminates Need for Heat Sinks
- Requires Only Two Power-Supply Rails
- Two Serial Audio Inputs (Four Audio Channels)
- Supports 32-kHz–192-kHz Sample Rates (LJ/RJ/I²S)
- Headphone PWM Outputs
- Subwoofer PWM Outputs
Audio/PWM Processing
- Independent Channel Volume Controls With 24-dB to –100-dB Range
- Soft Mute (50% Duty Cycle)
- Programmable Dynamic Range Control
- 16 Adaptable Biquads for Speaker EQ
  - Seven Biquads for Left and Right Channels
  - Two Biquads for Subwoofer Channel
- Adaptive Coefficients for DRC Filters
- Programmable Input and Output Mixers
- DC Blocking Filters
- Loudness Compensation for Subwoofer
- Automatic Sample Rate Detection and Coefficient Banking for DRC and EQ
General Features
- Serial Control Interface Operational Without MCLK
- Factory-Trimmed Internal Oscillator Enables Automatic Detection of Incoming Sample Rates
- Thermal and Short-Circuit Protection
Benefits
- EQ: Speaker Equalization Improves Audio Performance
- DRC: Dynamic Range Compression. Enables Power Limiting, Speaker Protection, Easy Listening, Night-Mode Listening
- Autobank Switching: Preload Coefficients for Different Sample Rates. No Need to Write Any Coefficients to the Part When Sample Rate Changes.
- Autodetect: Automatically Detects Sample-Rate Changes. No Need for External Microprocessor Intervention

All trademarks are the property of their respective owners.

Audio Input/Output
- 20-W Into an 8- Load From an 18-V Supply
- Wide Power-Supply Range From (8 V to 23 V)
- Efficient Class-D Operation Eliminates Need for Heat Sinks
- Requires Only Two Power-Supply Rails
- Two Serial Audio Inputs (Four Audio Channels)
- Supports 32-kHz–192-kHz Sample Rates (LJ/RJ/I²S)
- Headphone PWM Outputs
- Subwoofer PWM Outputs
Audio/PWM Processing
- Independent Channel Volume Controls With 24-dB to –100-dB Range
- Soft Mute (50% Duty Cycle)
- Programmable Dynamic Range Control
- 16 Adaptable Biquads for Speaker EQ
  - Seven Biquads for Left and Right Channels
  - Two Biquads for Subwoofer Channel
- Adaptive Coefficients for DRC Filters
- Programmable Input and Output Mixers
- DC Blocking Filters
- Loudness Compensation for Subwoofer
- Automatic Sample Rate Detection and Coefficient Banking for DRC and EQ
General Features
- Serial Control Interface Operational Without MCLK
- Factory-Trimmed Internal Oscillator Enables Automatic Detection of Incoming Sample Rates
- Thermal and Short-Circuit Protection
Benefits
- EQ: Speaker Equalization Improves Audio Performance
- DRC: Dynamic Range Compression. Enables Power Limiting, Speaker Protection, Easy Listening, Night-Mode Listening
- Autobank Switching: Preload Coefficients for Different Sample Rates. No Need to Write Any Coefficients to the Part When Sample Rate Changes.
- Autodetect: Automatically Detects Sample-Rate Changes. No Need for External Microprocessor Intervention

All trademarks are the property of their respective owners.

The TAS5705 is a 20-W, efficient, digital audio power amplifier for driving stereo bridge-tied speakers. Two serial data inputs allow processing of up to four discrete audio channels and seamless integration to most digital audio processors and MPEG decoders. The device accepts a wide range of input data and clock rates. A fully programmable data path allows these channels to be routed to the internal speaker drivers or output via the line-level subwoofer or headphone PWM outputs.

The TAS5705 is a slave-only device receiving clocks from external sources. The TAS5705 operates at a 384-kHz switching rate for 32-, 48-, 96-,and 192-kHz data and 352.8-kHz switching rate for 44.1-, 88.2- and 176.4-kHz data. The 8× oversampling combined with the fourth-order noise shaper provides a flat noise floor and excellent dynamic range from 20 Hz to 20 kHz.

The TAS5705 is a 20-W, efficient, digital audio power amplifier for driving stereo bridge-tied speakers. Two serial data inputs allow processing of up to four discrete audio channels and seamless integration to most digital audio processors and MPEG decoders. The device accepts a wide range of input data and clock rates. A fully programmable data path allows these channels to be routed to the internal speaker drivers or output via the line-level subwoofer or headphone PWM outputs.

The TAS5705 is a slave-only device receiving clocks from external sources. The TAS5705 operates at a 384-kHz switching rate for 32-, 48-, 96-,and 192-kHz data and 352.8-kHz switching rate for 44.1-, 88.2- and 176.4-kHz data. The 8× oversampling combined with the fourth-order noise shaper provides a flat noise floor and excellent dynamic range from 20 Hz to 20 kHz.

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Technische Dokumentation

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Alle anzeigen 2

	Typ	Titel		Datum
*	Data sheet	20-W stereo Digital Audio Power Amplifier With EQ and DRC datasheet (Rev. A)		04 Sep 2009
	EVM User's guide	TAS5705EVM - User Guide (Rev. A)		13 Jan 2009

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TAS5705

Class-D-Audioverstärker, 20 W Stereo, 8- bis 23-V-Stromversorgung, Digitaleingang, Open-Loop, mit La

TAS5705

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