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TPA3111D1QPWPRQ1 Folha de dados(PDF) 1 Page - Texas Instruments |
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TPA3111D1QPWPRQ1 Folha de dados(HTML) 1 Page - Texas Instruments |
1 / 31 page INP INN SD Fault PLIMIT PVCC 8 to 26 V 1 µF BEAD 10 W 8 OUTN BEAD OUTP 10 8 Ω OUT+ OUT– Audio Source TPA3111D1-Q1 GAIN0 GAIN1 Ferrite Bead Filter Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPA3111D1-Q1 SLOS759E – MARCH 2012 – REVISED DECEMBER 2015 TPA3111D1-Q1 10-W Filter-Free Mono Class-D Audio Power Amplifier With Speakerguard™ 1 Features 3 Description The TPA3111D1-Q1 device is a 10-W efficient, 1 • Qualified for Automotive Applications Class-D 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 includes an – Device HBM ESD Classification Level H2 adjustable power limiter and a DC detection circuit. – Device CDM ESD Classification Level C2 The adjustable power limiter allows the user to set a • 10-W into an 8- Ω Load at 10% THD+N from a 12- virtual voltage rail lower than the chip supply to limit V Supply the amount of current through the speaker. The DC- detect circuit measures the frequency and amplitude • 7-W into a 4- Ω Load at 10% THD+N from an 8-V of the PWM signal and shuts off the output stage if Supply the input capacitors are damaged or shorts exist on • 94% Efficient Class-D Operation into 8- Ω Load the inputs. Eliminates Need for Heat Sinks The TPA3111D1-Q1 device can drive a mono • Wide Supply Voltage Range Allows Operation speaker as low as 4 Ω. The high efficiency of the from 8 to 26 V TPA3111D1-Q1 device, > 90%, eliminates the need • Filter-Free Operation for an external heat sink when playing music. • SpeakerGuard™ Speaker Protection 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 TPA3111D1-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 (eCall) Systems • Automotive Infotainment Systems (Head Unit, Cluster, Telematics, Navigation) • Automotive Connectivity Gateway • Professional Audio Equipment (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. |
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