Overview
The PCM4222PFB is a high-performance, 24-bit, 216kHz sampling, stereo audio analog-to-digital converter (ADC) produced by Texas Instruments. This product is designed for professional audio applications, offering exceptional sound quality and low distortion. The PCM4222PFB is targeted at audio engineers, recording studios, and high-end consumer audio equipment manufacturers who require pristine audio capture and conversion. Its unique selling points include its ultra-low noise floor, high dynamic range, and advanced delta-sigma architecture, making it a competitive choice in the high-fidelity audio market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Resolution | 24 | bits | |
| Sampling Rate | 216 | kHz | |
| Dynamic Range | 123 | dB | |
| THD+N | -110 | dB | |
| Supply Voltage | 5 | V | |
| Operating Temperature | -40 to +85 | °C | |
| Package | 48-TQFP | ||
| Interface | I2S, LJ, RJ |
Key Features
- Ultra-Low Noise Floor: Ensures high-fidelity audio capture with minimal background noise.
- High Dynamic Range: Captures subtle audio details with a dynamic range of 123dB.
- Advanced Delta-Sigma Architecture: Provides high accuracy and low distortion.
- Flexible Interface Options: Supports I2S, LJ, and RJ formats for compatibility with various digital systems.
- Wide Operating Temperature Range: Reliable performance in extreme environments.
Applications
The PCM4222PFB is ideal for a wide range of professional audio applications, including:
- Recording Studios: Captures high-quality audio for music production and mastering.
- Broadcast Equipment: Ensures clear and accurate audio for live broadcasts and post-production.
- High-End Consumer Audio: Used in premium audio equipment for audiophiles and home theater systems.
- Instrumentation: Provides precise audio measurement and analysis in test and measurement setups.
Q & A
1. What is the resolution of the PCM4222PFB?
The PCM4222PFB has a resolution of 24 bits.
2. What is the maximum sampling rate supported?
The maximum sampling rate is 216kHz.
3. What is the dynamic range of this ADC?
The dynamic range is 123dB.
4. What is the THD+N of the PCM4222PFB?
The THD+N is -110dB.
5. What is the supply voltage requirement?
The supply voltage is 5V.
6. What is the operating temperature range?
The operating temperature range is -40°C to +85°C.
7. What package does the PCM4222PFB come in?
It comes in a 48-TQFP package.
8. What digital interfaces are supported?
It supports I2S, LJ, and RJ interfaces.
9. Is the PCM4222PFB suitable for professional audio applications?
Yes, it is designed for high-performance professional audio applications.
10. Can this ADC be used in consumer audio equipment?
Yes, it is suitable for high-end consumer audio equipment.
