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TAS2120 Datasheet(PDF) 1 Page - Texas Instruments |
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TAS2120 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 63 page  TAS2120 8.2W Mono Digital Input Class-D Speaker Amp with Integrated 14.75V Class- H Boost 1 Features • Powerful Class-D amplifier – 8.2W 1% THD+N – 14.75V boost with 5.1A max current limit • Best in class efficiency – Upto 90% efficiency at system level for 8Ω load – 12.9mW idle channel power, noise gate off – 5mW idle channel power, noise gate on – Integrated 1.8V Y-bridge • High performance audio channel – 4.2µV A-wt. idle channel noise – 114dB Dynamic Range – -89dB 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 voltage monitor & temp sensor – Programmable battery current limit at 39mA step size • Ease of use features – Hardware pin control or I2C control – 1S battery, 2S battery, External PVDD (3S battery) supply – 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 – VBAT: 2.5V to 5.5V – VDD: 1.65V to 1.95V – IOVDD: 1.8V or 3.3V – VBAT_SNS: 2.5V to 10.0V – I2S/TDM: 8 channels – HW pin control or I2C based control • 26-Pin, 0.4mm Pitch, QFN package 2 Applications • Smart Speakers with Voice Assistance • Bluetooth and Wireless speakers • Tablets, Wearables • Laptop, Desktop Computers 3 Description The TAS2120 is a mono, digital input Class-D audio amplifier with an integrated Boost for higher power delivery in battery-operated systems. Device 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 algorithms enable the device to produce best-in-class efficiency across all power regions of operation. The Class-D amplifier is capable of delivering 8.2W output power using integrated Class- H Boost. TAS2120 device supports look-ahead algorithm based optimum boost voltage levels to match the output of audio signal. This provides all the power needed for peak output while significantly reducing the average power consumption. Up to four devices can share a common bus via I2S/TDM + I2C interfaces. The device also supports five HW Control pins that can configure the device for the desired mode of operation. Device Information PART NUMBER PACKAGE(1) PACKAGE SIZE (2) TAS2120 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 Boost Control Interface Clocking Device Protections Power Management Digital Core Monitor ADC VBAT, PVDD, and Temp Monitor Efficiency Algos Filters / Control VBAT PVDD TEMP PVDD OUT_P OUT_N SW DREG GREG SBCLK FSYNC SDIN SDOUT SEL4_ADDR SEL5 SEL3_SDA SEL2_SCL GND PGND BGND SDZ IRQZ Class-D Amp VBAT VDD IOVDD VBAT_SNS SEL1 Functional block diagram TAS2120 SLASFC6 – AUGUST 2024 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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