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TAS5715PHPR Datasheet(PDF) 1 Page - Texas Instruments |
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TAS5715PHPR Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 74 page  TAS5715 www.ti.com SLOS645 – AUGUST 2010 25-W DIGITAL AUDIO POWER AMPLIFIER WITH EQ AND DRC Check for Samples: TAS5715 1 FEATURES • Audio Input/Output A – 25-W Into an 8- Ω Load From an 18-V Supply • Benefits – 50-W Support in PBTL Mode With 4- Ω Load – EQ: Speaker Equalization Improves Audio Performance – Wide PVDD Range, From 8 V to 26 V – DRC: Automatic Gain Limiter. Can Be Used – Efficient Class-D Operation Eliminates As Power Limiter. Enables Speaker Need for Heatsinks Protection, Easy Listening – Requires Only 3.3 V and PVDD – Two-Band DRC: Set Two Different – One Serial Audio Input (Two Audio Thresholds for Low- and High-Frequency Channels) Content – I2C Address Selection via PIN (Chip Select) – Autobank Switching: Preload Coefficients – Supports 8-kHz to 48-kHz Sample Rate for Different Sample Rates. No Need to (LJ/RJ/I2S) Write New Coefficients to the Part When – Headphone PWM Outputs Sample Rate Changes – Dedicated Pin for External – Autodetect: Automatically Detects Headphone-Amplifier Shutdown Sample-Rate Changes. No Need for – Single-Filter PBTL Support External Microprocessor Intervention • Audio/PWM Processing – Single-Filter PBTL Support Reduces BOM Cost – Independent Channel Volume Controls With 24-dB to Mute – Thgermal Dissipation, Improving System Stability – Independent Headphone Volume – Programmable Two-Band Dynamic Range DESCRIPTION Control The TAS5715 is a 25-W, efficient, digital audio-power – Up to Eight User-Programmable Biquads amplifier for driving stereo bridge-tied speakers. One per Channel serial data input allows processing of up to two – Programmable Coefficients for DRC Filters discrete audio channels and seamless integration to – DC Blocking Filters and PWM DC Detect most digital audio processors and MPEG decoders. The device accepts a wide range of input data and – CRC Checksum to Detect Biquad data rates. A fully programmable data path routes Coefficient Corruption these channels to the internal speaker drivers. • General Features The TAS5715 is a slave-only device receiving all – Serial Control Interface Operational Without clocks from external sources. The TAS5715 operates MCLK with a PWM carrier between a 384-kHz switching rate – Factory-Trimmed Internal Oscillator for and a 352-KHz switching rate, depending on the input Automatic Rate Detection sample rate. Oversampling combined with a fourth-order noise shaper provides a flat noise floor – Surface Mount, 48-Pin, 7-mm × 7-mm and excellent dynamic range from 20 Hz to 20 kHz. HTQFP Package – Thermal and Short-Circuit Protection 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Copyright © 2010, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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