Allicdata Part #: | PGA4311U/1KG4-ND |
Manufacturer Part#: |
PGA4311U/1KG4 |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC AUDIO VOLUME CTRL 4CH 28-SOIC |
More Detail: | Audio Volume Control 4 Channel 28-SOIC |
DataSheet: | PGA4311U/1KG4 Datasheet/PDF |
Quantity: | 1000 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Function: | Volume Control |
Applications: | Automotive Audio, Musical Instruments, Professional Audio |
Number of Channels: | 4 |
Interface: | SPI |
Voltage - Supply: | ±4.75 V ~ 5.25 V |
Operating Temperature: | -40°C ~ 85°C (TA) |
Specifications: | 31.5dB ~ -95.5dB |
Package / Case: | 28-SOIC (0.295", 7.50mm Width) |
Supplier Device Package: | 28-SOIC |
Base Part Number: | PGA4311 |
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Audio Special Purpose: PGA4311U/1KG4 Application Field and Working Principle
The PGA4311U/1KG4 is a low power audio processor with a transformerless, balanced/unbalanced line output stage. This device is designed mainly for a wide range of high performance audio designs such as stage and studio applications, computer sound cards and consumer applications. In this article, we\'ll discuss the application field and working principle of the PGA4311U/1KG4.
Application Field of PGA4311U/1KG4
Due to its superior audio performance, low noise and low power consumption, the PGA4311U/1KG4 is an ideal choice for both professional and consumer audio applications. In particular, the PGA4311U/1KG4 is commonly used in:
- Stage and studio audio systems: The PGA4311U/1KG4 is an ideal choice for concert, stage and studio audio systems where various external gain settings and superior audio performance are needed.
- Computer sound cards: This device is well suited for modern computer sound card applications where low power consumption and low noise is crucial.
- Consumer audio applications: With its low power and low noise design, the PGA4311U/1KG4 is perfect for consumer applications such as portable audio players, digital audio systems and home theatre systems.
Working Principle of PGA4311U/1KG4
The PGA4311U/1KG4 is an audio processor with a transformerless, balanced/unbalanced line output stage. The device is based on a voltage feedback topology, consisting of two channels with a differential output stage. This output stage provides high common-mode rejection, header-free operation and low-distortion output characteristics.
The device features a low-noise, low-distortion amplifier with a wide bandwidth and a power output stage with a gain of +6dB. The amplifier has adjustable gain control, allowing the user to adjust the gain of the output stage to match the source signal level and achieve optimal performance.
The PGA4311U/1KG4 also features a buffered zero-crossing detection circuit, which can be used to detect zero crossings of the input signal and enable the input level and gain control. This approach helps to reduce the distortion of the signal and to improve the overall audio performance.
Conclusion
The PGA4311U/1KG4 is a low-power, low-noise audio processor designed for a wide range of audio applications. Its transformerless, balanced/unbalanced line output stage provides high common-mode rejection, header-free operation and low-distortion output characteristics. The device also features a low-noise, low-distortion amplifier with a wide bandwidth and adjustable gain control. This makes it ideal for professional and consumer audio applications such as stage and studio systems, computer sound cards and consumer audio systems.
The specific data is subject to PDF, and the above content is for reference
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