TAS2552

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TAS2552 SLAS898B – JANUARY 2014 – REVISED APRIL 2015 TAS2552 4.0-W Class-D Mono Audio Amplifier with Class-G Boost and Speaker Sense 1 Features 1 Analog or Digital Input Mono Boosted Class-D Amplifier 4.0 W into 8 Ω Load from 4.2 V Supply (1% THD+N) Efficiency of 85% at Rated Power I2S, Left-Justified, Right-Justified, DSP, PDM, and TDM Input and Output Interface Input Sample Rates from 8 kHz to 192 kHz High Efficiency Class-G Boost Converter – Automatically Adjusts Class-D Supply Built-In Speaker Sense – Measures Speaker Current and Voltage – Measures VBAT and VBOOST Voltages Built-In Automatic Gain Control (AGC) – Limits Battery Current Consumption Adjustable Class-D Switching Edge-Rate Control Power Supplies – Boost Input: 3.0 V to 5.5 V – Analog: 1.65 V to 1.95 V – Digital I/O: 1.5 V to 3.6 V Thermal and Short-Circuit Protection I2C Interface for Register Control Stereo Configuration Using Two TAS2552s – I2C Address Select Terminal (ADDR) 2.855 mm x 2.575 mm, 0.4 mm Pitch 30-Ball WCSP 2 Applications Mobile Phones PND Portable Audio Docks Tablets Gaming Devices 3 Description The TAS2552 is a high efficiency Class-D audio power amplifier with advanced battery current management and an integrated Class-G boost converter. The device constantly measures the current and voltage across the load and provides a digital stream of this information. The Cla...