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Product Detailed Parameters
- Description：IC AMP CLASS D STER 50W 32HTSSOP
- Series：Equibit™
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Type：Class D
- Output Type：2-Channel (Stereo)
- Max Output Power x Channels @ Load：50W x 2 @ 6Ohm
- Voltage - Supply：3V ~ 3.6V
- Features：Digital Inputs, Mute, Short-Circuit and Thermal Protection, Shutdown
- Mounting Type：Surface Mount
- Supplier Device Package：32-HTSSOP
- Package / Case：32-PowerTSSOP (0.240", 6.10mm Width)
- Operating Temperature：0°C ~ 70°C (TA)
- Grade：-
- Qualification：-
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Overview
The TAS5110DAPR is a high-performance true digital audio amplifier power stage from Texas Instruments, designed to drive 50 W per channel. It utilizes equibit technology and accepts a mono PWM 3.3-V input to control an internal CMOS H-bridge. The device operates with a digital supply voltage of 3 V to 3.6 V and a high-voltage power supply range of 16.5 V to 26.5 V. It is housed in a thermally enhanced 32-pin HTSSOP PowerPAD surface-mount package.
Feature Summary
- Incorporates self-protecting design features including over-current, over-temperature, and under-voltage protection.
- Features a 3.3-V digital interface for direct connection to digital audio PWM processors.
- Utilizes bootstrapped gate drive and internal low-dropout voltage regulators to minimize external component count.
- Delivers high efficiency exceeding 90% when used with recommended system designs.
Applications
- DVD Receivers
- Home Theater Systems
- Mini/Micro Component Systems
- Internet Music Appliances
- Car Audio Amplifiers and Head Units
Procurement Notes
Verify the specific ordering suffix 'R' confirms tape and reel packaging as indicated in the official datasheet. Confirm the commercial temperature grade (0°C to 70°C) matches the application requirements. Ensure compatibility with the TAS50xx series digital audio PWM processor for proper system integration. Check for end-of-life status or alternative package availability if long-term supply is required.
Selection Notes
Select this component for applications requiring high-power stereo amplification with digital inputs. Consider the thermal performance and board layout requirements necessary to achieve the maximum 50 W output into 6 Ω loads. Ensure the system design supports the required 3.3-V logic levels and high-voltage power supplies. Evaluate the need for external L-C reconstruction filters between the H-bridge outputs and loudspeaker loads.
Part Context
The TAS5110 belongs to Texas Instruments' Equibit family of true digital audio amplifiers. It is typically paired with TAS50xx digital audio PWM processors to form a complete TDAA solution. The DAP variant specifically features a bottom-mounted thermal pad for efficient heat dissipation through the PCB, distinguishing it from top-pad packages like the DAD.
Replacement Considerations
TAS5110IDAPR is the industrial temperature grade equivalent (-40°C to 85°C). TAS5110DAD and TAS5110IDAD are alternative package variants with top-mounted thermal pads.
