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TAS2764 Datasheet(PDF) 1 Page - Texas Instruments |
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TAS2764 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 107 page  TAS2764 Digital Input Mono Class-D Audio Amplifier With Speaker IV Sense 1 Features • Key Features – Y-Bridge Power Architecture – Edge and Spread Spectrum Control – Full Scale Ultrasonic Output to 40 kHz • Output Power (1 % THD+N) – 13 W (4 Ω, 12 V) – 8 W (8 Ω, 12 V) • Power Consumption (1 % THD+N, 4 Ω, 12 V) – 81% Efficient at 1W – 85% Efficient at 13W – 3mA in Noise Gate Mode – <1uA in Hardware Shutdown Mode • Power Supplies and Management – PVDD: 2.3 V to 16 V – VBAT1S: 2.3 V to 5.5 V – AVDD: 1.8 V – IOVDD: 1.2 V/ 1.8 V – Brownout Protection – PVDD Tracking Peak Voltage Limiter • Interfaces and Control – SDOUT and I2S Feedback for Echo Cancellation – I2S/TDM: 8 Channels of 32-bit up to 96 kHz – I2C: 8 addresses with Fast Mode Plus Support – 44.1 kHz to 96 kHz Sample Rates – Inter Chip Communication Bus • Integrated Speaker Management and Protection – Speaker Voltage and Current Sense – Short and Open Detection – Thermal and Over Current Protection – Over Power Protection 2 Applications • Laptop Computers • Tablets • Bluetooth Speakers • Soundbars • Consumer Audio Devices 3 Description The TAS2764 is a mono digital input Class-D audio amplifier optimized for efficiently driving high peak power into small loudspeakers. The Class-D amplifier is capable of delivering 13 W of continuous power into a 4 Ω load with less than 1 % THD+N at a supply voltage of 12 V. Y-Brige architecture improves overall efficiency at low level of output power and in idle mode. Integrated speaker voltage and current sense provides for real time monitoring of loudspeaker behavior. A supply tracking peak voltage limiter optimizes amplifier headroom. Brownout prevention scheme with multiple thresholds allows reducing the gain in signal path when the supply drops. Up to eight TAS2764 devices can share a common bus via I2S/TDM and I2C interfaces. The device is available in a 30-ball, 0.4 mm pitch CSP for a compact PCB footprint. Device Information (1) PART NUMBER PACKAGE BODY SIZE (NOM) TAS2764 DSBGA 2.15 mm x 2.56 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. SDOUT FSYNC SBCLK OUT_P OUT_N Class-D Amplifier with IV-Sense 1.8V/1.2V SDZ DAC System Interface + Limiter + BOP 2.3-16V SAR ADC TMP SNS PLL Address Det Diagnostics SDIN IV-SNS ADCs SDA SCL IRQZ VSNS_P VSNS_N BST_P BST_N ADDR ICC BYP_EN fb fb VREG 1.8V 2.3-5.5V Pop/Click Over Current Over Temp Protection Schematic www.ti.com TAS2764 SLOS998 – DECEMBER 2020 Copyright © 2020 Texas Instruments Incorporated Submit Document Feedback 1 Product Folder Links: TAS2764 TAS2764 SLOS998 – DECEMBER 2020 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. ADVANCE INFORMATION for preproduction products; subject to change without notice. |
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