Overview
The PCM1864DBTR is a high-performance, 4-channel audio analog-to-digital converter (ADC) manufactured by Texas Instruments. Designed for applications requiring clear audio capture, this component is ideal for use in digital voice assistants, smart home devices, video conferencing systems, and other scenarios where high-quality audio processing is essential. The PCM1864DBTR is positioned as a cost-effective solution with advanced features, making it suitable for both consumer and industrial applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Type | Audio ADC | - | - |
| Channels | 4 | - | - |
| Resolution | 24 | bits | - |
| Sampling Rate | 192 | kS/s | - |
| Data Interface | I2C, SPI | - | - |
| Supply Voltage | 3.0 - 3.6 | V | - |
| Operating Temperature | -40 to 125 | °C | - |
| Package | 30-TSSOP | - | Surface Mount |
Key Features
- High SNR (Signal-to-Noise Ratio) of 103 dB for clear audio capture.
- Supports up to 192 kS/s sampling rate for high-fidelity audio.
- Integrated programmable gain amplifier (PGA) for flexible signal conditioning.
- Low power consumption, ideal for portable and battery-powered devices.
- Compact 30-TSSOP package for space-constrained designs.
Applications
The PCM1864DBTR is widely used in applications such as digital voice assistants, smart home devices, video conferencing systems, and local voice recognition. Its ability to extract clear audio from noisy environments makes it particularly valuable in scenarios like beamforming and directional audio capture. Additionally, its low power consumption and compact form factor make it suitable for portable electronics and IoT devices.
Q & A
1. What is the maximum sampling rate of the PCM1864DBTR?
The maximum sampling rate is 192 kS/s.
2. What interfaces does the PCM1864DBTR support?
It supports I2C and SPI interfaces.
3. What is the operating voltage range?
The operating voltage range is 3.0V to 3.6V.
4. Can the PCM1864DBTR be used in high-temperature environments?
Yes, it can operate in temperatures ranging from -40°C to 125°C.
5. What is the SNR of the PCM1864DBTR?
The SNR is 103 dB.
6. What is the resolution of the ADC?
The ADC resolution is 24 bits.
7. Is the PCM1864DBTR suitable for battery-powered devices?
Yes, its low power consumption makes it ideal for battery-powered applications.
8. What package does the PCM1864DBTR come in?
It comes in a 30-TSSOP package.
9. Can it be used for beamforming applications?
Yes, it is commonly used in beamforming for directional audio capture.
10. Does it include a programmable gain amplifier?
Yes, it features an integrated programmable gain amplifier (PGA).
