PCM1864QDBTRQ1

ADCs/DACs - Special Purpose Overview

The PCM1864QDBTRQ1 is an automotive-grade, four-channel audio analog-to-digital converter (ADC) from Texas Instruments. It features a universal front end with eight differential inputs and supports sampling rates up to 192 kHz. The device delivers a signal-to-noise ratio of 103 dB and operates within a supply voltage range of 3 V to 3.6 V. Packaged in a 30-pin TSSOP, it is designed for high-performance audio applications requiring robust digital interfaces and low power consumption.

ADCs/DACs - Special Purpose Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for reliability
• Software-controlled universal front end supporting multiple input configurations
• Integrated digital interface options including I2C and SPI for system control

ADCs/DACs - Special Purpose Applications

• Automotive infotainment systems
• Vehicle audio processing units
• Digital sound reinforcement equipment

ADCs/DACs - Special Purpose Procurement Notes

Verify the complete part number against official Texas Instruments documentation to ensure correct package type and tape/reel specifications. Confirm that the component meets specific automotive quality requirements and environmental operating ranges required for your design. Cross-reference ordering information directly with the manufacturer's current datasheet to avoid discrepancies in suffix codes or packaging details.

ADCs/DACs - Special Purpose Selection Notes

Select this component when designing automotive audio systems requiring four independent channels with high dynamic range. Ensure the application environment falls within the specified -40°C to +125°C temperature range. Verify that the host controller supports the necessary digital interface protocols for configuration and data retrieval during the integration phase.

ADCs/DACs - Special Purpose Part Context

This part belongs to the PCM186x-Q1 family of automotive audio ADCs, which includes both two-channel and four-channel variants. It shares architectural similarities with other members of the series but offers distinct channel counts and input configurations tailored for different audio system complexities within vehicle electronics.

ADCs/DACs - Special Purpose Replacement Considerations

Direct substitutes include PCM1860QDBTRQ1 for two-channel applications and PCM1864QDBTRQ1.A for updated revision levels. Verify pin compatibility and software register maps before substitution to ensure seamless integration without hardware redesign.