Overview
The PCM1702U-K is a high-performance 20-bit digital-to-analog converter (DAC) manufactured by Texas Instruments. Designed for audio applications requiring high-resolution and precise conversion, this DAC is ideal for delivering exceptional audio quality in various audio systems. It features an advanced BiCMOS architecture, ensuring accurate and precise audio reproduction. The PCM1702U-K is housed in a compact and durable SOIC-20 package, making it suitable for a wide range of audio equipment.
Key Specifications
| Product Category | Audio D/A Converter ICs |
|---|---|
| Series | PCM1702 |
| Resolution | 20 bit |
| Sampling Rate | 768 kS/s |
| Number of DAC Outputs | 1 Output |
| Operating Supply Voltage | 5.25 V |
| Minimum Operating Temperature | -25 C |
| Maximum Operating Temperature | +85 C |
| Mounting Style | SMD/SMT |
| Package / Case | SOIC-20 |
| Architecture | Sign-Magnitude |
| SNR - Signal to Noise Ratio | 120 dB |
| Gain Error | +/- 3 % FSR |
| INL - Integral Nonlinearity | +/- 0.5 dB |
| Number of Channels | 2 Channel |
| Output Type | Current |
| Pd - Power Dissipation | 250 mW |
| Polarity | Bipolar |
| Reference Voltage | Internal |
| Supply Voltage - Max | +/- 5.25 V |
| Supply Voltage - Min | +/- 4.75 V |
Key Features
- High Resolution: Offers 20-bit resolution for accurate analog signal reproduction.
- Low Distortion: Provides low harmonic distortion for high-fidelity audio output.
- Wide Dynamic Range: Ensures clear and detailed audio playback with a wide dynamic range.
- Fast Sampling Rate: Supports high sampling rates for real-time audio processing.
- Low Power Consumption: Designed for efficient power usage in audio systems.
Applications
- Audio Playback Systems: Ideal for high-quality audio playback in music systems and digital audio players.
- Recording Equipment: Used in audio recording devices for accurate signal conversion.
- Professional Audio Gear: Suitable for professional audio equipment requiring precise digital-to-analog conversion.
Q & A
- Q: What is the resolution of the PCM1702U-K?
A: The PCM1702U-K offers a 20-bit resolution for high-precision digital-to-analog conversion.
- Q: Is the PCM1702U-K suitable for professional audio applications?
A: Yes, the PCM1702U-K is well-suited for professional audio gear due to its high-resolution conversion and low distortion.
- Q: How does the PCM1702U-K work?
A: The PCM1702U-K works by converting digital audio data into analog voltage signals with high precision and dynamic range using a multi-level delta-sigma architecture and advanced digital filtering.
- Q: What are the key features of the PCM1702U-K?
A: Key features include high resolution, low distortion, wide dynamic range, fast sampling rate, and low power consumption.
- Q: What is the package type of the PCM1702U-K?
A: The PCM1702U-K is housed in a SOIC-20 package.
- Q: What are the operating temperature ranges for the PCM1702U-K?
A: The operating temperature ranges are from -25°C to +85°C.
- Q: What is the signal-to-noise ratio (SNR) of the PCM1702U-K?
A: The SNR of the PCM1702U-K is 120 dB.
- Q: Are there any equivalents or alternatives to the PCM1702U-K?
A: Yes, alternatives include the PCM1704U-K and the CS4398 from Cirrus Logic.
- Q: How do I integrate the PCM1702U-K into an audio system?
A: Integrate the PCM1702U-K by connecting the VOUT pin to the analog output, VREF to the reference voltage, VCC to the power supply, and GND to the ground. Refer to the datasheet for detailed usage instructions.
- Q: What are the pros and cons of using the PCM1702U-K?
A: Pros include high resolution, low distortion, and wide dynamic range. Cons include complexity in setup and the potential need for additional external components.
