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Product Detailed Parameters
- Description：IC AMP D DUAL/QUAD 20.6W 64HTQFP
- Series：-
- Mfr：Texas Instruments
- Package：Bulk,Tray
- Type：Class D
- Output Type：2-Channel (Stereo) or 4-Channel (Quad)
- Max Output Power x Channels @ Load：20.6W x 2 @ 8Ohm
- Voltage - Supply：10V ~ 26V
- Features：Depop, Digital Inputs, I2C, I2S, Mute, Short-Circuit and Thermal Protection, Shutdown, 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 TAS5706APAP is a 20-W stereo digital audio power amplifier from Texas Instruments, utilizing Class-D architecture. It features closed-loop feedback for improved speaker control and EMC performance. The device accepts I2S digital inputs and integrates speaker equalization (EQ) and dynamic range compression (DRC). Key electrical parameters include an output power of 20.6 W into an 8-ohm load, with a THD+N of 0.05%. It operates within a temperature range of 0°C to +85°C and uses a 64-pin HTQFP package.
Feature Summary
- Closed-loop feedback architecture enhances sound quality and electromagnetic compatibility.
- Integrated digital signal processing includes speaker EQ and DRC capabilities.
- Direct digital interface via I2S input eliminates need for external DACs.
Applications
- LCD TV backlight supply operation due to high PSRR
- Portable audio devices requiring high efficiency
- Home theater systems needing integrated DSP
Procurement Notes
Verify the specific suffix 'APAP' against the official datasheet to confirm pinout and thermal characteristics. Ensure the ordering part number matches the required package type and temperature grade. Cross-reference with the manufacturer's latest documentation to confirm RoHS compliance status and moisture sensitivity level before procurement.
Selection Notes
Select this component for designs requiring integrated digital filtering and amplification in a compact form factor. The closed-loop design is suitable for applications sensitive to power supply noise, such as those powered directly by LCD backlights. Consider the 64-pin HTQFP package constraints for PCB layout and thermal management requirements.
Part Context
This device belongs to the TAS5706A series of digital audio power amplifiers. It is designed to replace open-loop solutions by providing superior audio fidelity through active feedback mechanisms. The integration of DSP functions reduces the bill of materials by eliminating external equalization components.
Replacement Considerations
TAS5706APAPG4 is a verified lead-free replacement variant within the same family. Check datasheets for pin-to-pin compatibility and ensure thermal performance meets system requirements when substituting.
