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The TAS5111 is a high-performance digital amplifier power stage designed to drive a 4- speaker up to 70 W with 0.2% distortion plus noise. The device incorporates TI's PurePath Digital technology and is used with a digital audio PWM processor (TAS50XX) and a simple passive demodulation filter to deliver high-quality, high-efficiency digital audio amplification.
The efficiency of this digital amplifier can be greater than 90%, depending on the system design. Overcurrent protection, overtemperature protection, and undervoltage protection are built into the TAS5111, safeguarding the device and speakers against fault conditions that could damage the system.
TAS5111 Maximum Ratings
TAS5111
UNITS
DVDD TO DGND
0.3 V to 4.2 V
GVDD TO GND
33.5 V
PVDD_X TO GND (dc voltage)
33.5 V
PVDD_X TO GND (spike voltage(2))
48 V
OUT_X TO GND (dc voltage)
33.5 V
OUT_X TO GND (spike voltage(2))
48 V
BST_X TO GND (dc voltage)
48 V
BST_X TO GND (spike voltage(2))
53 V
GREG TO GND (3)
14.2 V
PWM_XP, RESET, M1, M2, M3, SD, OTW
0.3 V to DVDD + 0.3 V
Maximum operating junction temperature, TJ
40 to 150
Storage temperature
40 to 125
(1) Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolutemaximum-rated conditions for extended periods may affect device reliability.
(2) The duration of a voltage spike should be less than 100 ns.
(3) GREG is treated as an input when the GREG pin is overdriven by a GVDD voltage of 12 V.
TAS5111 Features
` 70-W RMS Power (BTL) Into 4 With Less Than 0.2% THD+N ` 95-dB Dynamic Range (TDAA System With TAS5026) ` Power Efficiency Greater Than 90% Into 4- and 8- Loads − Smaller Power Supplies ` Self-Protecting Design With Autorecovery ` 32-Pin TSSOP (DAD) PowerPAD Package ` 3.3-V Digital Interface ` EMI-Compliant When Used With Recommended System Design
TAS5111 Typical Application
· DVD Receiver · Home Theatre · Mini/Micro Component Systems · Internet Music Appliance
TAS5111 Connection Diagram
TAS5111ADAD Parameters
Technical/Catalog Information
TAS5111ADAD
Vendor
Texas Instruments
Category
Integrated Circuits (ICs)
Package / Case
32-TSSOP Exposed Pad, 32-eTSSOP, 32-HTSSOP
Type
Class D
Output Type
1-Channel (Mono)
Voltage - Supply
3 V ~ 3.6 V
Packaging
Tube
Features
Digital Inputs, Mute, Short-Circuit and Thermal Protection, Shutdown