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TPA3112D1-Q1 Folha de dados(PDF) 1 Page - Texas Instruments |
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TPA3112D1-Q1 Folha de dados(HTML) 1 Page - Texas Instruments |
1 / 32 page INP INN SD SD Fault Fault PLIMIT PLIMIT PVCC 8 to 26 V 1 µF OUTN FERRITE BEAD FILTER OUTP 25 W 8 OUTN FERRITE BEAD FILTER FERRITE BEAD FILTER OUTP 8 OUT+ - OUT Audio Source TPA3112D1-Q1 GAIN0 GAIN0 GAIN1 GAIN1 Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPA3112D1-Q1 SLOS793B – SEPTEMBER 2012 – REVISED SEPTEMBER 2015 TPA3112D1-Q1 25-W Filter-Free Mono Class-D Audio Power Amplifier With SpeakerGuard™ 1 Features 3 Description The TPA3112D1-Q1 is a 25-W efficient, Class-D 1 • Qualified for Automotive Applications audio power amplifier for driving a bridge tied • AEC-Q100 Qualified With the Following Results: speaker. Advanced EMI Suppression Technology – Device Temperature Grade 1: –40°C to 125°C enables the use of inexpensive ferrite bead filters at Ambient Operating Temperature Range the outputs while meeting EMC requirements. SpeakerGuard™ protection circuitry system includes – Device HBM ESD Classification Level H2 an adjustable power limiter and a DC detection – Device CDM ESD Classification Level C2 circuit. The adjustable power limiter allows the user to • 25-W into an 8- Ω Load at < 0.1% THD+N From a set a virtual voltage rail lower than the chip supply to 24-V Supply limit the amount of current through the speaker. The DC detect circuit measures the frequency and • 20-W into an 4- Ω Load at 10% THD+N From a amplitude of the PWM signal and shuts off the output 12-V Supply stage if the input capacitors are damaged or shorts • 94% Efficient Class-D Operation into 8- Ω Load exist on the inputs. Eliminates Need for Heat Sinks The TPA3112D1-Q1 can drive a mono speaker as • Wide Supply Voltage Range Allows Operation low as 4 Ω. The high efficiency of the device, > 90%, from 8 to 26 V eliminates the need for an external heat sink when • Filter-Free Operation playing music. • SpeakerGuard Protection Circuitry Includes The outputs are fully protected against shorts to Adjustable Power Limiter Plus DC Protection GND, VCC, and output-to-output. The short-circuit • Flow Through Pin Out Facilitates Easy Board protection and thermal protection includes an auto- recovery feature. Layout • Robust Pin-to-Pin Short Circuit Protection and Device Information(1) Thermal Protection with Auto-Recovery Option PART NUMBER PACKAGE BODY SIZE (NOM) • Excellent THD+N and Pop Free Performance TPA3112D1-Q1 HTSSOP (28) 9.70 mm × 4.40 mm • Four Selectable, Fixed Gain Settings (1) For all available packages, see the orderable addendum at • Differential Inputs the end of the data sheet. 2 Applications Simplified Application Diagram • Automotive Noise Generation for HEV/EV • Automotive Emergency Call Systems (eCall) • Automotive Infotainment Systems (i.e. Head Unit, Connectivity Gateway, Cluster, Telematics, Navigation) • ADAS Noise Generation for Blind Spot Detection, Security and Alarm Systems • Professional Audio Equipment (i.e. PA Speakers, Studio Headphones, Performance Amplifiers, Premium Microphones) • Aerospace and Aviation Audio Systems 1 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. |
Nº de peça semelhante - TPA3112D1-Q1 |
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Descrição semelhante - TPA3112D1-Q1 |
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