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PGA2311UA
Audio Amplifier Speaker
PGA2311UA
Audio Amplifier Speaker
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Manufacturer Part # : PGA2311UA
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Package/Case: SOIC-16
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Brand: Texas Instruments
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Product Categories : Audio Special Purpose
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Shipping & Payment
Shipping & Payment
About Shipping
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
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Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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PGA2311UA DataSheet
Pricing (USD)
| Quantity | Unit Price | Ext. Price |
|---|---|---|
| 1 | $9.824 | $9.82 |
| 200 | $3.801 | $760.20 |
| 500 | $3.669 | $1,834.50 |
| 1000 | $3.602 | $3,602.00 |
These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.
Details
The PGA2311UA from Texas Instruments is a top-of-the-line digitally-controlled analog volume control IC that is a must-have for audio enthusiasts. With its 256-step logarithmic volume control, users can enjoy a precise and seamless adjustment of audio levels, ensuring a superior listening experience. The wide operating voltage range of ±4.5V to ±18V makes it versatile for various audio applications, while the low total harmonic distortion of 0.002% guarantees crystal-clear sound output without any unwanted noise or distortion
Key Features
- The PGA23IIUA offers a wide supply voltage range of ±4.75V to ±18V
- Operating from -40°C to 125°C, it is designed for use in various environments
- Its compact SOIC-16 package makes it ideal for space-constrained applications
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Number of channels | 2 | Power supply (V) | +/-5 |
| Gain & attenuation (dB) | +31.5 to -95.5 with 0.5dB steps | Gain error (gain = 31.5 dB) (dB) | ±0.05 |
| THD + N at 1 kHz (%) | 0.0002 | Interchannel crosstalk at 1 kHz (dBFS) | -130 |
| Dynamic range (dB) | 120 | Voltage swing with max supply (VPP) | 7.5 |
| Load capacitance (µF) | 0.0001 | Operating temperature range (°C) | -40 to 85 |
| Features | Two Independent Audio Channels |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is PGA2311UA?
The PGA2311UA is a digitally controlled, analog volume controller IC designed by Texas Instruments. It is commonly used in audio applications to accurately control audio signal levels, such as in audio amplifiers, preamplifiers, and audio mixing consoles.
How Does PGA2311UA Work?
The PGA2311UA operates by digitally controlling the attenuation of audio signals passing through it. It uses a precision resistor network that can be switched in or out of the signal path to adjust the volume level. The digital interface allows for easy control of volume settings, making it ideal for applications requiring precise volume adjustments.
How Many Pins does PGA2311UA have and What are the Functions of the Pinout Configuration?
The PGA2311UA is housed in a 16-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- V+: Positive power supply pin.
- V-: Negative power supply pin.
- CS: Chip select pin for digital control.
- SCLK: Serial clock input for control data.
- SDATA: Serial data input for control data.
- Y: Audio output pin.
- Z: Audio output pin.
- Various pins for connection to the resistor network and control logic.
What are the Pros and Cons of PGA2311UA?
Pros:
- Precise Volume Control: Offers precise digital control of audio signal attenuation.
- Low Distortion: Maintains low distortion levels for high-quality audio output.
- Digital Interface: Allows for easy integration into digital audio systems.
- Low THD+N: Provides low total harmonic distortion plus noise for clean audio reproduction.
- Wide Supply Voltage Range: Operates over a wide range of supply voltages for flexibility in design.
Cons:
- Cost: ICs with advanced volume control features like the PGA2311UA may have a higher cost.
- Complexity: Requires understanding of digital control and audio signal processing for proper implementation.
- External Components: Additional components may be needed for complete audio system integration.
Are There Any Equivalents/Alternatives to PGA2311UA for Recommendation?
- The PGA2310 from Texas Instruments is a similar digitally controlled volume controller IC.
- Alternatives to the PGA2311UA include the CS3310 from Cirrus Logic and the MUSES72320 from NJR Corporation.
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