PGA4311UAG4

Overview

Use

It is commonly used in audio applications for volume control and audio signal processing.

Characteristics

PGA4311UAG4 is a high-performance, digitally controlled stereo volume control IC.
It offers precise volume adjustment with low distortion and noise.
The device operates on a wide supply voltage range, making it suitable for various audio systems.
It supports both analog and digital audio interfaces.

Package

PGA4311UAG4 is available in a compact and industry-standard QFN package.

Essence

The essence of PGA4311UAG4 lies in its ability to provide accurate and flexible volume control in audio systems.

Packaging/Quantity

This IC is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications and Parameters

Supply Voltage: 3.3V - 5.5V
Total Harmonic Distortion + Noise (THD+N): <0.01%
Signal-to-Noise Ratio (SNR): >100dB
Control Interface: I2C
Operating Temperature Range: -40°C to +85°C

Pin Configuration

The pin configuration of PGA4311UAG4 is as follows:

```

| | | PGA4311UAG4 | |_______________________________________| | | | PIN CONFIGURATION | |_______________________________________| | | | 1 20 | | | | | | VDD | | GND | | | | | | 2 19 | | | | | | SDA | | SCL | | | | | | 3 18 | | | | | | ADDR0 | | ADDR1 | | | | | | 4 17 | | | | | | ADDR2 | | MUTE | | | | | | 5 16 | | | | | | AINL | | AOUTL | | | | | | 6 15 | | | | | | AINR | | AOUTR | | | | | | 7 14 | | | | | | AGND | | AVDD | | | | | | 8 13 | | | | | | DVDD | | DGND | | | | | | 9 12 | | | | | | SDZ | | SDB | | | | | | 10 11 | |_______________________________________| ```

Functional Characteristics

PGA4311UAG4 provides independent volume control for left and right audio channels.
It supports mute and zero-crossing detection functions.
The device offers a wide range of gain settings to accommodate different audio requirements.
PGA4311UAG4 has built-in protection features to prevent damage from overvoltage and short circuits.

Advantages and Disadvantages

Advantages

Precise volume control with low distortion and noise.
Wide supply voltage range for compatibility with various audio systems.
Flexible gain settings to meet different audio requirements.
Integrated protection features for enhanced reliability.

Disadvantages

Limited availability of alternative models.
Relatively higher cost compared to some other volume control solutions.

Applicable Range of Products

PGA4311UAG4 is suitable for a wide range of audio products, including: - Home theater systems - Professional audio equipment - Automotive audio systems - Portable audio devices

Working Principles

The working principle of PGA4311UAG4 involves digitally controlling the attenuation or amplification of audio signals using internal circuitry. The device receives control commands through the I2C interface, which allows precise adjustment of volume levels for each channel.

Detailed Application Field Plans

PGA4311UAG4 can be applied in various audio systems, such as: 1. Home Theater Systems: Provides accurate volume control for immersive audio experiences. 2. Professional Audio Equipment: Enables precise audio level adjustments in recording studios and live sound setups. 3. Automotive