Overview
The PGA2310UAG4, manufactured by Burr Brown (now part of Texas Instruments), is a high-performance stereo audio volume control integrated circuit. This device is designed to provide precise volume control with low noise and distortion, making it suitable for a wide range of audio applications. It features a three-wire serial control interface, allowing for easy integration with various host controllers and supporting daisy-chaining of multiple devices.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Gain Range | -95.5 dB | - | 31.5 dB | dB |
| Step Size | - | 0.5 | - | dB |
| THD+N at 1 kHz | - | 0.0004% | 0.001% | % |
| Dynamic Range | 116 dB | 120 dB | - | dB |
| Input Resistance | 10 kΩ | - | - | kΩ |
| Input Capacitance | 7 pF | - | - | pF |
| Operating Voltage (VA+) | 4.5 V | 15 V | 15.5 V | V |
| Operating Voltage (VA-) | -15.5 V | -15 V | -4.5 V | V |
| Operating Voltage (VD+) | 4.5 V | 5 V | 5.5 V | V |
| Operating Temperature | -40°C | - | 85°C | °C |
| Package Types | DIP-16, SOIC-16 | - | - | - |
Key Features
- Wide gain and attenuation range: 31.5 dB to -95.5 dB with 0.5-dB steps
- Low noise and distortion: 120-dB dynamic range and 0.0004% THD+N at 1 kHz
- Low interchannel crosstalk: -126 dBFS
- Noise-free level transitions
- Three-wire serial control interface for easy integration and daisy-chaining
- Pin and software compatible with the PGA2311 and Cirrus Logic CS3310
- Direct drive capability for 600-Ω loads without buffering
Applications
- Audio Amplifiers
- Mixing Consoles
- Multi-Track Recorders
- Broadcast Studio Equipment
- Musical Instruments
- Effects Processors
- A/V Receivers
- Car Audio Systems
Q & A
- What is the gain range of the PGA2310UAG4? The gain range is from -95.5 dB to 31.5 dB with 0.5-dB steps.
- What is the dynamic range of the PGA2310UAG4? The dynamic range is 120 dB.
- What is the THD+N at 1 kHz for the PGA2310UAG4? The THD+N at 1 kHz is 0.0004%.
- What types of packages are available for the PGA2310UAG4? The device is available in DIP-16 and SOIC-16 packages.
- What is the operating voltage range for the PGA2310UAG4? The operating voltage range is ±4.5V to ±15.5V for the analog supply and 4.5V to 5.5V for the digital supply.
- What is the operating temperature range for the PGA2310UAG4? The operating temperature range is -40°C to 85°C.
- Is the PGA2310UAG4 compatible with other devices? Yes, it is pin and software compatible with the PGA2311 and Cirrus Logic CS3310.
- Can the PGA2310UAG4 drive 600-Ω loads directly? Yes, it can drive 600-Ω loads directly without buffering.
- What interface does the PGA2310UAG4 use for control? It uses a three-wire serial control interface.
- What are some common applications for the PGA2310UAG4? Common applications include audio amplifiers, mixing consoles, multi-track recorders, broadcast studio equipment, musical instruments, effects processors, A/V receivers, and car audio systems.
