PGA2310UA/1K
Overview
- Category: Integrated Circuit (IC)
- Use: Audio Volume Control
- Characteristics: Digital Programmable, Stereo, 2-Channel
- Package: UA (Ultra-Small Outline Package), 16-Pin
- Essence: Precision Volume Attenuator
- Packaging/Quantity: Tape and Reel, 2500 units per reel
Specifications and Parameters
- Supply Voltage: 4.5V to 5.5V
- Total Harmonic Distortion + Noise (THD+N): 0.0004% typical
- Channel Separation: 120dB typical
- Gain Range: -95dB to +31.5dB in 0.5dB steps
- Operating Temperature Range: -40°C to +85°C
Pin Configuration
The PGA2310UA/1K features a 16-pin Ultra-Small Outline Package (UA) with the following pin configuration:
| Pin No. | Pin Name | Description | |---------|----------|-------------| | 1 | VDD | Positive Power Supply | | 2 | GND | Ground | | 3 | SDIN | Serial Data Input | | 4 | SCLK | Serial Clock Input | | 5 | CSB | Chip Select Input | | 6 | MUTE | Mute Control Input | | 7 | A0 | Address Bit 0 | | 8 | A1 | Address Bit 1 | | 9 | A2 | Address Bit 2 | | 10 | A3 | Address Bit 3 | | 11 | A4 | Address Bit 4 | | 12 | A5 | Address Bit 5 | | 13 | A6 | Address Bit 6 | | 14 | A7 | Address Bit 7 | | 15 | SDA | Serial Data Output | | 16 | SCL | Serial Clock Output |
Functional Characteristics
- Digital programmable volume control for audio applications
- Independent left and right channel attenuation
- Soft Mute function for smooth audio transitions
- Non-volatile memory for storing settings
- Serial interface for easy integration with microcontrollers
Advantages and Disadvantages
Advantages: - High precision and accuracy in volume control - Low total harmonic distortion and noise - Wide operating temperature range - Small package size for space-constrained designs
Disadvantages: - Requires external microcontroller or control circuitry for operation - Limited gain range compared to some other volume control ICs
Applicable Range of Products
The PGA2310UA/1K is suitable for various audio applications, including: - Home theater systems - Professional audio equipment - Car audio systems - Portable audio devices
Working Principles
The PGA2310UA/1K utilizes digital signal processing techniques to control the volume of audio signals. It receives digital control signals through its serial interface and adjusts the attenuation level accordingly. The attenuated audio signals are then output to the audio amplifier or other audio processing stages.
Detailed Application Field Plans
- Home Theater System: The PGA2310UA/1K can be used as a volume control in a multi-channel audio system, allowing precise adjustment of individual channel levels.
- Professional Audio Mixer: By integrating multiple PGA2310UA/1K ICs, a professional audio mixer can be created with independent volume control for each input channel.
- Car Audio Equalizer: The PGA2310UA/1K can be combined with an equalizer circuit to create a car audio system with adjustable volume and equalization settings.
Detailed Alternative Models
- PGA2311UA/1K: Similar to PGA2310UA/1K, but with additional features such as tone control and balance adjustment.
- MAX5486UA/1K: Analog volume control IC with similar package and pin configuration, suitable for applications where digital control is not required.
5 Common Technical Questions and Answers
Q: Can the PGA2310UA/1K be used in battery-powered devices? A: Yes, it operates within a supply voltage range suitable for battery-powered applications.
Q: Is the PGA2310UA/1K compatible with I2C interface? A: No, it uses a proprietary serial interface that requires specific control signals.
Q: What is the maximum audio input voltage supported by the PGA2310UA/1K? A: The recommended maximum input voltage is 2Vrms.
Q: Can the PGA2310UA/1K be used in mono audio systems? A: Yes, it can be configured to attenuate a single audio channel while keeping the other channel