PGA2311PAG4
Overview
Category
PGA2311PAG4 belongs to the category of integrated circuits (ICs).
Use
It is commonly used as a digital volume controller in audio systems.
Characteristics
- Digital volume control with high precision and resolution.
- Low distortion and noise performance.
- Wide dynamic range.
- Supports multiple audio input channels.
- Easy integration into audio systems.
Package
PGA2311PAG4 is available in a small outline package (SOP) with 16 pins.
Essence
The essence of PGA2311PAG4 lies in its ability to accurately control the volume of audio signals in various applications.
Packaging/Quantity
This product is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.
Specifications and Parameters
- Supply voltage: 2.7V to 5.5V
- Total harmonic distortion + noise: <0.01%
- Signal-to-noise ratio: >100dB
- Number of audio input channels: 2
- Control interface: I2C
Pin Configuration
The pin configuration of PGA2311PAG4 is as follows:
| Pin Name | Description | |----------|-------------| | VDD | Power supply voltage | | GND | Ground | | SDA | I2C data input/output | | SCL | I2C clock input | | INL | Audio input channel L | | INR | Audio input channel R | | OUTL | Audio output channel L | | OUTR | Audio output channel R | | MUTE | Mute control input | | STBY | Standby control input | | AGC | Automatic gain control input | | AVCC | Analog power supply voltage | | DVCC | Digital power supply voltage | | REF | Reference voltage input |
Functional Characteristics
- Precise digital volume control with 0.5dB step size.
- Independent left and right channel control.
- Mute and standby modes for power management.
- Automatic gain control (AGC) capability.
- Low power consumption.
Advantages and Disadvantages
Advantages
- High precision volume control.
- Low distortion and noise performance.
- Wide dynamic range.
- Easy integration into audio systems.
- Power-efficient operation.
Disadvantages
- Limited number of audio input channels (2 channels).
- Requires an external I2C interface for control.
Applicable Range of Products
PGA2311PAG4 is widely used in various audio applications, including: - Home theater systems - Professional audio equipment - Car audio systems - Audio mixers - Amplifiers
Working Principles
The PGA2311PAG4 operates by receiving control signals through the I2C interface to adjust the volume level of the audio signals. It utilizes a combination of digital and analog circuitry to achieve precise and accurate volume control.
Detailed Application Field Plans
- Home Theater Systems: Integrate PGA2311PAG4 into the audio processing unit of home theater systems to provide seamless volume control for multiple audio channels.
- Professional Audio Equipment: Incorporate PGA2311PAG4 into mixing consoles and audio processors to enable precise volume adjustment during live performances or studio recordings.
- Car Audio Systems: Utilize PGA2311PAG4 in car audio head units or amplifiers to deliver high-quality volume control for enhanced listening experiences on the go.
- Audio Mixers: Integrate PGA2311PAG4 into audio mixers to facilitate precise volume control for individual audio channels, ensuring balanced sound output.
- Amplifiers: Combine PGA2311PAG4 with audio amplifiers to achieve accurate volume control and optimize audio performance in various applications.
Detailed Alternative Models
- PGA2310PAG4: Similar to PGA2311PAG4, but with a different pin configuration.
- MAX5486EUD+: An alternative digital volume controller with similar characteristics and package options.
- CS3310-KSZR: Another integrated circuit offering digital volume control functionality for audio systems.
- NJU72341RB1: A compact IC with digital volume control capabilities suitable for portable audio devices.
- TDA7449: Analog-controlled audio processor with volume control features.
5 Common Technical Questions and Answers
Q: Can PGA2311PAG4 be used in stereo audio systems? A: Yes, PGA2311PAG4 is designed to handle stereo audio signals and provides independent volume control for left and right channels.
Q: What is the maximum supply voltage that PGA2311PAG4 can handle? A: PGA2311PAG4 can operate within a supply voltage range of 2.7V to 5.5V.
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