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TPA6304-Q1

Part Number	TPA6304-Q1
Manufacturer	Texas Instruments
Description	2.1-MHz Analog Input 4-Channel Automotive Class-D Audio Amplifier
Published	Mar 11, 2020
Detailed Description	www.ti.com TPA6304-Q1 SLASEP6B – SEPTEMBER 2019 – REVISED DTECPEAM6B3E0R42-Q0210 SLASEP6B – SEPTEMBER 2019 – REVISED DE...
Datasheet	TPA6304-Q1 PDF File

Overview

www.
ti.
com TPA6304-Q1 SLASEP6B – SEPTEMBER 2019 – REVISED DTECPEAM6B3E0R42-Q0210 SLASEP6B – SEPTEMBER 2019 – REVISED DECEMBER 2020 TPA6304-Q1 45-W, 2.
1-MHz Analog Input 4-Channel Automotive Class-D BurrBrown™ Audio Amplifier with Load Dump Protection and I2C Diagnostics 1 Features • Highest efficiency Class-D – Significantly more efficient than Class-AB – Reduce thermal solution with 75% less heat dissipation than Class-AB • Start/stop operation down to 4.
5 V • AEC-Q100 Qualified for automotive applications: – Temperature grade 1: –40°C to 125°C TA – HBM ESD Classification level 2 – CDM ESD Classification level C2B • 27 W, 10% THD into 4 Ω at 14.
4 V – Drives 4 Ω and 2 Ω loads • Load diagnostics – Output open, shorted load – Output-to-battery or ground shorts – Tweeter connected • Designed with advanced gate drive to meet CISPR25-L5 EMC specification – Class-D at 2.
1 MHz, no AM interference – Spread Spectrum mode, Phase Offset, Slew Rate Control • Protection – 40 V Load dump – Output short protection – DC offset and over temperature – Fortuitous open ground and power tolerant • Audio inputs – 4 Channel single-ended analog input – 10 dB, 16 dB, 22 dB or 28 dB Gain option • Supports parallel channel drive (PBTL) • Audio performance into 4 Ω at 14.
4 V, 1 kHz – THD+N < 0.
006% – 42 µVRMS Output Noise – 80 dB PSRR – Efficiency > 80% • Special features – Programmable clip detection – Load current limiter – Thermal gain foldback – Fast and autonomous startup diagnostics – AC load impedance measurement with < 10 mA load current 2 Applications • Automotive head units • Automotive external amplifier modules 3 Description The TPA6304-Q1 device is a four-channel analoginput Class-D Burr-Brown™ audio amplifier that implements a 2.
1 MHz PWM switching frequency that enables a cost optimized solution in a very small 2.
7 cm2 PCB size, high impedance single ended inputs and full operation down to 4.
5 V for start/stop events.
The TPA6304-Q1 Class-D audio amplifier has an optimal...

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TPA6304-Q1 2.1-MHz Analog Input 4-Channel Automotive Class-D Audio Amplifier - Texas Instruments

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