Texas Instruments TAS2553
The TAS2553 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 Class-G boost converter generates the Class-D amplifier supply rail.| Part No. | TAS2553 |
|---|---|
| Datasheet | TAS2553 Download |
| Manufacturer |  Texas Instruments |
| Description | Class-D Mono Audio Amplifier |
| Buy | Stock & Price |
FEATURES
●1 Analog or Digital Input Mono Boosted Class-D Amplifier● 2.8 W into 8 Ω Load from 3.6 V Supply (1% THD+N)
● Efficiency of 86% 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 TAS2553s – 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
During low Class-D output power, the boost improves efficiency by deactivating and connecting VBAT directly to the Class-D amplifier supply.
