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TFA9882 - 3.4 W I2S input mono class-D audio amplifier

Datasheet Summary

Description

The TFA9882 is a mono, filter-free class-D audio amplifier in a 9-bump WLCSP (Wafer Level Chip-Size Package) with a 400 μm pitch.

It receives audio and control settings via an I2S digital interface.

Features

  • Small outline WLCSP9 package: 1.27 × 1.49 × 0.6 mm Wide supply voltage range (fully operational from 2.5 V to 5.5 V) High efficiency (90 %, 4 Ω/20 μH load) and low power dissipation Quiescent power: ‹ 6.5 mW (VDDD = 1.8 V, VDDP = 3.6 V, 4 Ω/20 μH load, fs = 32 kHz) ‹ 7.65 mW (VDDD = 1.8 V, VDDP = 3.6 V, 4 Ω/20 μH load, fs = 48 kHz) Output power: ‹ 1.4 W into 4 Ω at 3.6 V supply (THD = 1 %) ‹ 2.7 W into 4 Ω at 5.0 V supply (THD = 1 %) ‹ 3.4 W into 4 Ω at 5.

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Datasheet Details

Part number TFA9882
Manufacturer NXP Semiconductors
File Size 1.05 MB
Description 3.4 W I2S input mono class-D audio amplifier
Datasheet download datasheet TFA9882 Datasheet
Additional preview pages of the TFA9882 datasheet.

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Full PDF Text Transcription

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TFA9882 3.4 W I2S input mono class-D audio amplifier Rev. 2 — 20 April 2011 Product data sheet 1. General description The TFA9882 is a mono, filter-free class-D audio amplifier in a 9-bump WLCSP (Wafer Level Chip-Size Package) with a 400 μm pitch. It receives audio and control settings via an I2S digital interface. The Power-down to Operating mode transition is triggered when a clock signal is detected on the bit clock input (BCK). Two devices can be combined to build a stereo application. In stereo applications, the left or right I2S audio stream is selected by connecting the word select signal to, respectively, pin WSL or pin WSR. Mono mixing can be achieved by connecting the word select signal to both WSL and WSR. Switching off the word select signal selects Mute mode.
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