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Product Detailed Parameters
- Description：IC AMP CLASS D STER 20W 64HTQFP
- Series：-
- Mfr：Texas Instruments
- Package：Bulk,Tray
- Type：Class D
- Output Type：2-Channel (Stereo) with Stereo Headphones and Subwoofer
- Max Output Power x Channels @ Load：20W x 2 @ 8Ohm
- Voltage - Supply：8V ~ 23V
- Features：Depop, I2C, I2S, Mute, PWM, Short-Circuit and Thermal Protection, Volume Control
- Mounting Type：Surface Mount
- Supplier Device Package：64-HTQFP (10x10)
- Package / Case：64-PowerTQFP
- Operating Temperature：0°C ~ 85°C (TA)
- Grade：-
- Qualification：-
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Overview
The TAS5705PAP is a Class-D audio amplifier manufactured by Texas Instruments, housed in a 64-HTQFP (10x10) package. It supports stereo output with dedicated channels for headphones and subwoofers. The device operates on a supply voltage range of 8V to 23V and delivers up to 20W per channel into an 8-ohm load. Key electrical specifications include a THD+N of 0.05% and a working temperature range from 0°C to +85°C.
Feature Summary
- Integrated digital interface support including I2C and I2S for control and audio data.
- Built-in protection mechanisms such as thermal shutdown and short-circuit protection.
- Features volume control and mute functionality for system management.
Applications
- Stereo audio systems requiring headphone outputs
- Multi-channel audio setups with subwoofer integration
- Digital audio amplification in consumer electronics
Procurement Notes
Verify the specific suffix against official documentation, as variations like PAPR indicate reel packaging while PAP may denote tube or tray formats. Confirm moisture sensitivity levels and reflow soldering profiles prior to assembly. Ensure compatibility with the intended power supply voltage range and digital interface requirements for the target application design.
Selection Notes
Select this component when a high-efficiency Class-D amplifier with integrated headphone and subwoofer capabilities is required. It is suitable for designs needing digital control via I2C and audio input via I2S. Consider the 64-pin HTQFP package size and thermal performance constraints when evaluating alternatives within the same product family.
Part Context
This part belongs to the TAS5705 series of digital input audio power amplifiers. It is designed for applications requiring multiple output channels, specifically combining stereo main outputs with dedicated headphone and subwoofer drivers. The series emphasizes efficiency and low total harmonic distortion for high-fidelity audio reproduction.
Replacement Considerations
Check datasheets for pin-to-pin compatible variants within the TAS5705 family. Verify that any substitute maintains the same 64-HTQFP footprint and voltage specifications. Ensure equivalent digital interface support and protection features are present before finalizing a replacement choice.
