Texas Instruments PCM1821QRTERQ1
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.29 | $1.29 |
| 15+ | $1.25 | $18.75 |
| 25+ | $1.22 | $30.50 |
| 50+ | $1.16 | $58.00 |
| 100+ | $1.02 | $102.00 |
| N+ | $0.20 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Bulk | |
| Type | ADC, Audio |
| Number of Channels | 2 |
| Resolution (Bits) | 32 b |
| Sampling Rate (Per Second) | 8k ~ 192k |
| Data Interface | I2S, TDM |
| Voltage Supply Source | Single Supply |
| Voltage - Supply | 3.6V, 1.65V, 3V |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
| Grade | Automotive |
| Qualification | AEC-Q100 |
| Package / Case | 20-WFQFN Exposed Pad |
| Supplier Device Package | 20-WQFN (3x3) |
| ROHS |  |
PCM1821QRTERQ1 - Automotive-Grade 32-Bit Stereo Audio ADC
The PCM1821QRTERQ1 from Texas Instruments is a high-performance, automotive-qualified 32-bit stereo audio analog-to-digital converter (ADC) designed for demanding in-vehicle infotainment, ADAS, and audio processing applications. This AEC-Q100 qualified device delivers exceptional audio fidelity with sampling rates up to 192 kHz and operates reliably across the full automotive temperature range of -40°C to 125°C.
Key Features & Benefits
- Automotive-Grade Reliability: AEC-Q100 qualified for mission-critical automotive systems
- High-Resolution Audio: 32-bit resolution ensures pristine signal capture with industry-leading dynamic range
- Flexible Sampling: 8 kHz to 192 kHz sampling rate supports diverse audio applications
- Dual-Channel Design: 2-channel stereo ADC for complete left/right audio capture
- Industry-Standard Interfaces: I2S and TDM digital audio interfaces for seamless integration
- Wide Temperature Range: -40°C to 125°C operation for harsh automotive environments
- Compact Footprint: 20-WQFN (3x3mm) surface-mount package saves board space
- Low-Power Design: Single-supply operation (1.65V, 3V, 3.6V) optimizes power efficiency
Typical Applications
- Automotive infotainment systems and head units
- Advanced Driver Assistance Systems (ADAS) with audio input
- In-cabin communication and noise cancellation
- Hands-free calling and voice recognition systems
- Road noise monitoring and active sound management
- Microphone array processing for beamforming
Why Choose PCM1821QRTERQ1?
Texas Instruments' PCM1821QRTERQ1 combines automotive-grade quality with professional audio performance. The 32-bit architecture provides headroom for demanding signal processing while maintaining low noise floors. AEC-Q100 qualification ensures long-term reliability in temperature extremes, vibration, and electromagnetic interference common in automotive environments. The flexible I2S/TDM interfaces enable direct connection to DSPs, microcontrollers, and audio processors without external glue logic.
Compliance: RoHS compliant for environmental responsibility and global market access.
Availability: In stock and ready to ship. Contact us for volume pricing, technical support, or custom tape-and-reel packaging options.
PCM1821QRTERQ1.pdf