Texas Instruments PCM1841QRGERQ1

PCM1841QRGERQ1 Automotive-Grade Quad-Channel Audio ADC

The PCM1841QRGERQ1 from Texas Instruments is an automotive-qualified, high-performance 32-bit audio analog-to-digital converter engineered for demanding automotive audio applications. With AEC-Q100 qualification and an extended operating temperature range of -40°C to 125°C, this ADC delivers exceptional audio fidelity and reliability in harsh automotive environments, ensuring consistent performance across extreme temperature variations and challenging operating conditions.

Key Features & Benefits

• Automotive-Grade Reliability: AEC-Q100 qualified for automotive applications with extended temperature performance from -40°C to 125°C, ensuring reliable operation in extreme environmental conditions
• High-Resolution Audio Capture: 32-bit resolution with 192kHz sampling rate ensures pristine audio capture with industry-leading dynamic range and signal-to-noise ratio
• Quad-Channel Architecture: Four independent channels enable multi-microphone arrays, beamforming, and advanced audio processing for superior sound quality
• Flexible Digital Interface: Supports I2S, Left-Justified, and TDM formats for seamless integration with automotive processors and DSPs
• Compact Surface Mount Package: 24-VQFN (4x4mm) package optimized for space-constrained automotive PCB designs
• RoHS Compliant: Meets environmental standards for global automotive markets and regulatory compliance
• Low Power Consumption: Optimized power architecture supports multiple voltage domains (3V-3.6V analog, 1.65V-1.95V digital) for efficient system integration

Target Applications

The PCM1841QRGERQ1 is ideal for:

• Automotive Infotainment Systems: High-fidelity audio input for premium in-vehicle entertainment
• Hands-Free Communication: Crystal-clear voice capture for Bluetooth and cellular connectivity
• Active Noise Cancellation (ANC): Multi-channel audio processing for cabin noise reduction
• In-Cabin Voice Recognition: High-quality audio input for voice assistants and command systems
• Advanced Driver Assistance Systems (ADAS): Audio sensing for collision detection and environmental awareness
• Emergency Call Systems (eCall): Reliable audio capture for safety-critical communications

Why Choose PCM1841QRGERQ1?

This automotive-grade ADC combines Texas Instruments' proven audio expertise with rigorous automotive qualification, offering OEMs and Tier-1 suppliers a reliable, high-performance solution for next-generation vehicle audio systems. The quad-channel architecture supports advanced algorithms including beamforming, echo cancellation, and spatial audio processing, while the flexible digital interface ensures compatibility with leading automotive processors.

Design Resources & Support

For detailed datasheets, application notes, reference designs, and technical support, please refer to the manufacturer's official documentation. Texas Instruments provides comprehensive design tools including SPICE models, layout guidelines, and evaluation modules to accelerate your development cycle.

Quality & Traceability

All PCM1841QRGERQ1 units are supplied with full traceability documentation, including lot codes, date codes, and certificates of conformance. Our automotive-grade inventory ensures long lifecycle support and consistent supply for production programs.

• PCM1841QRGERQ1.pdf