Overview
The PGA4311UA/1KG4 is a high-performance, digitally controlled audio volume control integrated circuit (IC) manufactured by Texas Instruments. Designed for professional audio applications, this IC offers precise volume adjustment with low distortion and noise. It is particularly suited for use in audio mixers, amplifiers, and other high-fidelity audio systems. The PGA4311UA/1KG4 stands out for its robust performance, ease of integration, and advanced digital control features, making it a preferred choice for audio engineers and designers.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | ±5V to ±15V | V | Dual Supply |
| Total Harmonic Distortion + Noise (THD+N) | 0.0005% | % | Typical |
| Signal-to-Noise Ratio (SNR) | 120 | dB | Typical |
| Gain Range | ±31.5 | dB | 1.5 dB Steps |
| Operating Temperature Range | -40 to +85 | °C | |
| Package | SSOP-24 |
Key Features
- Digitally controlled volume adjustment with 1.5 dB steps.
- Low distortion and noise for high-fidelity audio applications.
- Wide supply voltage range for flexible system integration.
- Robust performance across a wide temperature range.
- Compact SSOP-24 package for space-constrained designs.
Applications
The PGA4311UA/1KG4 is widely used in professional audio equipment, including audio mixers, amplifiers, and digital audio workstations. Its precise volume control and low distortion make it ideal for high-fidelity audio systems. Additionally, it is employed in automotive audio systems and home theater setups, where clear and accurate sound reproduction is essential. The IC's advanced digital control features also make it suitable for use in audio processing units and other audio-related applications.
Q & A
1. What is the gain range of the PGA4311UA/1KG4?
The gain range of the PGA4311UA/1KG4 is ±31.5 dB in 1.5 dB steps.
2. What is the typical THD+N of the PGA4311UA/1KG4?
The typical THD+N of the PGA4311UA/1KG4 is 0.0005%.
3. What is the supply voltage range for the PGA4311UA/1KG4?
The supply voltage range for the PGA4311UA/1KG4 is ±5V to ±15V.
4. What package does the PGA4311UA/1KG4 come in?
The PGA4311UA/1KG4 comes in an SSOP-24 package.
5. What is the operating temperature range of the PGA4311UA/1KG4?
The operating temperature range of the PGA4311UA/1KG4 is -40 to +85 °C.
6. What is the typical SNR of the PGA4311UA/1KG4?
The typical SNR of the PGA4311UA/1KG4 is 120 dB.
7. Is the PGA4311UA/1KG4 suitable for automotive audio systems?
Yes, the PGA4311UA/1KG4 is suitable for automotive audio systems due to its robust performance and wide temperature range.
8. Can the PGA4311UA/1KG4 be used in home theater setups?
Yes, the PGA4311UA/1KG4 is ideal for home theater setups due to its low distortion and precise volume control.
9. What are the key features of the PGA4311UA/1KG4?
The key features of the PGA4311UA/1KG4 include digitally controlled volume adjustment, low distortion and noise, wide supply voltage range, and a compact SSOP-24 package.
10. What are the typical applications of the PGA4311UA/1KG4?
The typical applications of the PGA4311UA/1KG4 include audio mixers, amplifiers, digital audio workstations, automotive audio systems, and home theater setups.
