Overview
The TAS6422QDKQRQ1 is a dual-channel, digital-input Class-D audio amplifier manufactured by Texas Instruments, specifically designed for automotive head units and external amplifier modules. This device is part of the TAS6422-Q1 series, which is qualified under the AEC-Q100 standard, ensuring its reliability for automotive applications. The TAS6422QDKQRQ1 is housed in a 56-pin HSSOP PowerPAD™ package, featuring an exposed thermal pad for enhanced thermal performance. Its wide supply voltage range from 4.5 V to 26.4 V minimizes audio artifacts during start-stop operations, making it ideal for demanding OEM applications. The amplifier also includes built-in load diagnostics for detecting and diagnosing output connection errors, as well as detecting AC-coupled tweeters to reduce testing time during manufacturing.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Brand | Texas Instruments | - | - |
| Model | TAS6422QDKQRQ1 | - | - |
| Package | HSSOP-56 | - | Exposed thermal pad |
| Product Category | Audio Amplifiers | - | Class-D |
| RoHS | Yes | - | - |
| Min Operating Temperature | -40 | °C | - |
| Max Operating Temperature | +125 | °C | - |
| Qualification | AEC-Q100 | - | - |
| PSRR | 75 | dB | - |
| Factory Pack Quantity | 1000 | - | - |
Key Features
- Dual-channel digital-input Class-D audio amplifier
- Wide supply voltage range (4.5 V to 26.4 V)
- Built-in load diagnostics for error detection
- Qualified under AEC-Q100 for automotive applications
- Exposed thermal pad for enhanced thermal performance
Applications
The TAS6422QDKQRQ1 is primarily used in automotive audio systems, including head units and external amplifier modules. Its robust design and diagnostic capabilities make it suitable for demanding OEM applications, ensuring high performance and reliability in automotive environments.
Q & A
1. What is the output power of the TAS6422QDKQRQ1?
The TAS6422QDKQRQ1 provides two 27 W channels into 4Ω at 10% THD+N with a 14.4 V supply, and up to 75 W into 4Ω at 10% THD+N with a 25 V supply.
2. What is the operating temperature range?
The operating temperature range is from -40°C to +125°C.
3. Is the TAS6422QDKQRQ1 RoHS compliant?
Yes, the TAS6422QDKQRQ1 is RoHS compliant.
4. What is the supply voltage range?
The supply voltage range is from 4.5 V to 26.4 V.
5. What package does the TAS6422QDKQRQ1 come in?
The TAS6422QDKQRQ1 comes in a 56-pin HSSOP PowerPAD™ package.
6. What are the key features of the TAS6422QDKQRQ1?
Key features include dual-channel digital input, wide supply voltage range, built-in load diagnostics, and AEC-Q100 qualification.
7. What is the PSRR of the TAS6422QDKQRQ1?
The PSRR (Power Supply Rejection Ratio) is 75 dB.
8. What is the factory pack quantity?
The factory pack quantity is 1000 units.
9. What is the qualification standard for the TAS6422QDKQRQ1?
The TAS6422QDKQRQ1 is qualified under the AEC-Q100 standard.
10. What are the typical applications of the TAS6422QDKQRQ1?
Typical applications include automotive head units and external amplifier modules.
