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TAS2020 Datasheet(PDF) 1 Page - Texas Instruments |
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TAS2020 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 79 page  TAS2020 3.2W Mono Digital Input Class-D Speaker Amp with 5.5V PVDD Support 1 Features • Powerful Class-D amplifier – 3.2W output power @1% THD+N – 5.5V external PVDD supply • Best-in-class efficiency – Up to 93.5% efficiency @ 1% TDH+N power – 14.7mW idle channel power, noise gate off – 5.3mW idle channel power, noise gate on – Integrated 1.8V VDD Y-bridge • High performance audio channel – 4.2µV A-wt. idle channel noise, 6dBV gain – 114.4dB Dynamic Range – -90dB THD+N – Low EMI performance with ERC and SSM – < 1µs chip to chip group delay matching • Advanced integrated features – Signal detection high efficiency modes – High accuracy supply voltage monitor & temp sensor • Ease of use features – HW pin control or I2C based control – Clock based power up/down – Auto clock rate detection: 16 to 192kHz – MCLK free operation – Thermal and over current protection • Power Supplies and user interface – VDD: 1.65V to 1.95V – IOVDD: 1.8V or 3.3V – PVDD: 2.5V to 5.5V – I2S/TDM: 8 channels • 26-Pin, 0.4mm Pitch, QFN package 2 Applications • Smart Speakers with Voice Assistance • Bluetooth and Wireless speakers • Building Automation • Tablets, Wearables • Laptop, Desktop Computers 3 Description The TAS2020 is a mono, digital input Class-D audio amplifier designed for efficiently driving high peak power into loudspeakers. TAS2020 is optimized to deliver best battery life for real-use cases of music playback and voice calls. Advanced efficiency optimization features like Y-bridge, and other algorithms enable the device to produce best-in-class efficiency across all power regions of operation. The Class-D amplifier is capable of delivering 3.2W output power using external PVDD supply. Up to four devices can share a common bus via I2S/TDM and I2C interfaces. TAS2020 also supports HW pin based pre-defined controls that can configure the device for desired mode of operation without requiring any I2C controls. Device Information PART NUMBER PACKAGE(1) PACKAGE SIZE (2) TAS2020 QFN 4mm × 3.5mm (1) For all available packages, see the orderable addendum at the end of the data sheet. (2) The package size (length × width) is a nominal value and includes pins, where applicable. Digital Audio Interface Control Interface Clocking Device Protections Power Management Digital Core Monitor ADC PVDD and Temp Monitor Efficiency Algos Filters / Control PVDD TEMP PVDD OUT_P OUT_N DREG GREG SBCLK FSYNC SDIN SDOUT SEL4_ADDR SEL3_SDA SEL2_SCL GND PGND SDZ IRQZ Class-D Amp VDD IOVDD SEL1 Functional block diagram TAS2020 SLASFD4A – AUGUST 2024 – REVISED JULY 2026 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. PRODUCTION DATA. |
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