Overview
The TAS6421QDKQRQ1, manufactured by Texas Instruments, is a high-performance Class-D audio amplifier designed for automotive applications. This single-channel mono amplifier is part of the TAS6421-Q1 series, which is qualified under the AEC-Q100 standard, ensuring reliability in harsh automotive environments. The device offers a compact solution with a 2.1MHz PWM switching frequency, making it suitable for cost-optimized designs. Its primary target users include automotive OEMs and audio system integrators seeking efficient and robust audio amplification solutions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Power | 75 | W | Into 4 Ohms |
| THD + Noise | 0.02 | % | |
| Supply Voltage (Max) | 26.4 | V | |
| Supply Voltage (Min) | 4.5 | V | |
| Operating Temperature (Min) | -40 | °C | |
| Operating Temperature (Max) | 125 | °C | |
| Package | HSSOP-56 | ||
| Qualification | AEC-Q100 | ||
| Channels | 1 | Mono | |
| Supply Current | 15 | mA |
Key Features
- High-efficiency Class-D topology for reduced power consumption.
- Wide supply voltage range (4.5V to 26.4V) for robust performance in automotive environments.
- Integrated load diagnostics for fault detection and diagnostics.
- Compact HSSOP-56 package for space-constrained applications.
- AEC-Q100 qualified for automotive reliability.
Applications
The TAS6421QDKQRQ1 is ideally suited for automotive audio systems, including head units and external amplifier modules. Its high efficiency and compact design make it a preferred choice for modern vehicles, where space and power efficiency are critical. Additionally, its robust performance under extreme temperatures and voltage fluctuations ensures reliable operation in challenging automotive environments.
Q & A
What is the output power of the TAS6421QDKQRQ1?
The TAS6421QDKQRQ1 delivers up to 75W of output power into a 4-Ohm load.
What is the operating temperature range?
It operates within a temperature range of -40°C to +125°C.
Is the TAS6421QDKQRQ1 suitable for automotive applications?
Yes, it is AEC-Q100 qualified, making it suitable for automotive use.
What is the supply voltage range?
The supply voltage ranges from 4.5V to 26.4V.
What is the THD + Noise specification?
The THD + Noise is 0.02%.
What package does the TAS6421QDKQRQ1 use?
It is available in an HSSOP-56 package.
Does it support load diagnostics?
Yes, it includes integrated load diagnostics for fault detection.
What is the switching frequency?
The switching frequency is 2.1MHz.
Is the device RoHS compliant?
Yes, it is RoHS compliant.
How many channels does it support?
It is a single-channel mono amplifier.
