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TAS5715 Datasheet PDF

Part Series:TAS5715 Series
Description:25W DIGITAL AUDIO POWER AMPLIFIER WITH EQ AND DRC
Document:TAS5715PHPR Datasheet PDF (75 Pages)

TAS5715 - TI Specifications

TYPE
DESCRIPTION
Case/Package
HTQFP-48
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TAS5715 - TI Function Overview

The TAS5715 is a 25-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 TAS5715 is a slave-only device receiving all clocks from external sources. The TAS5715 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.
Audio Input/Output
25-W Into an 8- Load From an 18-V Supply
50-W Support in PBTL Mode With 4- Load
Wide PVDD Range, From 8 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)
Headphone PWM Outputs
Dedicated Pin for External Headphone-Amplifier Shutdown
Single-Filter PBTL Support
Audio/PWM Processing
Independent Channel Volume Controls With 24-dB to Mute
Independent Headphone Volume
Programmable Two-Band Dynamic Range Control
Up to Eight User-Programmable Biquads per Channel
Programmable Coefficients for DRC Filters
DC Blocking Filters and PWM DC Detect
CRC Checksum to Detect Biquad Coefficient Corruption
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: Automatic Gain Limiter. Can Be Used As Power Limiter.
Enables Speaker Protection, Easy Listening
Two-Band DRC: Set 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
Single-Filter PBTL Support Reduces BOM Cost
Thgermal Dissipation, Improving System Stability
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