Overview
The PGA2311UA/1K is a high-performance, programmable gain amplifier (PGA) produced by Texas Instruments. Designed for audio applications, this IC is part of the PGA2311 series and is widely used in professional audio systems, amplifiers, and receivers. The PGA2311UA/1K offers precise volume control with low distortion and noise, making it ideal for high-fidelity audio processing. Its market positioning targets audio engineers and manufacturers seeking reliable and high-quality components for audio signal management.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Manufacturer | Texas Instruments | - | - |
| Product Category | Audio Amplifier | - | - |
| Series | PGA2311 | - | - |
| Type | 2-Channel Stereo | - | - |
| Package | SOIC-16 | - | - |
| Audio Load Impedance | 100 | kOhms | - |
| THD + Noise | 0.0002 | % | - |
| Power Supply Voltage (Max) | 5.25 | V | - |
| Power Supply Voltage (Min) | 4.75 | V | - |
| Operating Temperature Range | -40 to +85 | °C | - |
| Operating Supply Current | 7.5 | mA | - |
| Operating Supply Voltage | 4.5 to 15.5 | V | - |
Key Features
- Two independent audio channels for stereo applications.
- Low distortion and noise for high-fidelity audio.
- Digital control interface for precise volume adjustment.
- Wide operating voltage range for versatile applications.
- Compact SOIC-16 package for space-constrained designs.
Applications
The PGA2311UA/1K is widely used in professional audio systems, including amplifiers, receivers, and audio mixers. Its precise volume control and low distortion make it suitable for high-end audio equipment. Additionally, it is employed in automotive audio systems and home theater setups, where reliable audio signal management is critical.
Q & A
1. What is the primary function of the PGA2311UA/1K?
The PGA2311UA/1K is a programmable gain amplifier designed for precise volume control in audio applications.
2. What is the operating voltage range of the PGA2311UA/1K?
The operating voltage range is 4.5V to 15.5V.
3. What is the THD + Noise specification?
The THD + Noise is 0.0002%.
4. What package does the PGA2311UA/1K use?
It uses the SOIC-16 package.
5. Is the PGA2311UA/1K suitable for stereo applications?
Yes, it features two independent audio channels for stereo applications.
6. What is the audio load impedance of the PGA2311UA/1K?
The audio load impedance is 100 kOhms.
7. Can the PGA2311UA/1K be used in automotive audio systems?
Yes, it is suitable for automotive audio systems due to its robust design and performance.
8. What is the operating temperature range?
The operating temperature range is -40°C to +85°C.
9. Does the PGA2311UA/1K support digital control?
Yes, it features a digital control interface for precise volume adjustment.
10. What are the typical applications of the PGA2311UA/1K?
Typical applications include amplifiers, receivers, audio mixers, and home theater systems.
