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Product Detailed Parameters
- Description：IC AMP CLASS D QUAD 80W 56HSSOP
- Series：-
- Mfr：Texas Instruments
- Package：Tube
- Type：Class D
- Output Type：4-Channel (Quad)
- Max Output Power x Channels @ Load：80W x 4 @ 2Ohm
- Voltage - Supply：4.5V ~ 18V
- Features：Depop, Digital Inputs, I2C, I2S, Mute, Short-Circuit and Thermal Protection, Shutdown, Volume Control
- Mounting Type：Surface Mount
- Supplier Device Package：56-HSSOP
- Package / Case：56-PowerBSSOP (0.295", 7.50mm Width)
- Operating Temperature：-40°C ~ 125°C (TA)
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The TAS6424LQDKQQ1 is a four-channel digital input Class-D audio amplifier designed for automotive applications. It operates within a supply voltage range of 4.5V to 26.4V and supports I2S or TDM digital audio inputs with sampling rates up to 96kHz. The device delivers high output power, providing 75W per channel into a 4Ω load in bridge-tied load (BTL) configuration at 25V, or 150W per channel into a 2Ω load in parallel BTL mode. It features an output switching frequency of 2.1MHz and includes advanced load diagnostics and EMI management capabilities.
Feature Summary
- Supports digital audio interfaces including I2S and TDM with multiple sampling rate options.
- Integrates advanced load diagnostic functions for detecting open circuits, short circuits, and impedance anomalies.
- Includes enhanced EMI management features such as spread spectrum and optimized slew rates.
Applications
- Automotive audio head units
- External automotive amplifier modules
Procurement Notes
Verify the specific suffix LQDKQQ1 against official Texas Instruments documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with the target system's digital audio interface requirements and thermal management design before finalizing procurement orders.
Selection Notes
Select this component when a four-channel digital Class-D solution is required for automotive environments. It is suitable for designs needing high power density, robust load protection, and compliance with automotive reliability standards like AEC-Q100.
Part Context
This part belongs to the TAS6424 family of digital input amplifiers from Texas Instruments. These devices are engineered specifically for the automotive sector, offering integrated control via I2C and high-efficiency audio amplification in a compact form factor suitable for modern vehicle infotainment systems.
Replacement Considerations
Consult official substitution guides for equivalent parts within the same product family or alternative TI solutions with matching channel counts and power ratings.
