PGA2311UA.pdf
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The PGA2311UA is a widely used audio volume control IC from Texas Instruments. It is designed for systems that require an analog volume stage but want the convenience of digital control for user interfaces, remote commands, and preset memory.
Compared with simple analog potentiometers, PGA2311-class solutions typically offer more consistent behavior across units, improved channel tracking, and easier integration with modern MCU/DSP-based control systems. Final audio results still depend on grounding, routing, and power supply quality.
Built for premium line-level stereo paths where noise and distortion must be kept low.
Enables firmware-based volume curves, presets, remote control, and system-level mute behavior.
Consistent left/right tracking supports stable imaging across the full attenuation range.
Supports a smooth user experience when paired with the right firmware and audio gain structure.
Designed to handle line-level audio signals with clean attenuation steps.
Controlled by a host controller for repeatable volume settings and integration into system logic.
Works best with careful analog layout, clean supplies, and well-planned gain staging.
| Parameter | Value / Condition |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | PGA2311UA |
| Type | Digitally Controlled Analog Stereo Volume Control |
| Package | Refer to TI ordering information |
| Replacement Note | Verify pinout, control behavior, gain steps, and audio metrics |
Cross-reference results suggest candidates such as:
Always confirm compatibility. Audio control ICs can differ in interface timing, attenuation law, distortion/noise, and package/pinout-even if "functionally similar".
Texas Instruments offers a broad portfolio of analog and audio ICs for consumer, industrial, and professional markets. TI audio solutions are widely used due to solid documentation and design support.
Precision stereo volume control with high audio integrity.
MCU-controlled volume steps for AV receiver architectures.
Repeatable volume control for mixers and audio controllers.
Clean attenuation control for powered speaker signal chains.
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Our experienced QC team strictly verifies and tests PGA2311UA. Only qualified suppliers who pass our audit can list PGA2311UA on OEM STOCK GLOBAL LIMITED. We pay close attention to sourcing channels and product quality so you can purchase with confidence.
Pricing and inventory for PGA2311UA fluctuate and are updated periodically (typically within 24 hours). Quotations generally remain valid for 5 days unless otherwise stated.
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We perform Pre-Shipment Inspection (PSI) on randomly selected units before shipping. If there is an issue with PGA2311UA, returns/replacements are accepted when:
Steps: (1) Inform us within 90 days; (2) Obtain Return Authorization (RMA) before sending items back.
Please contact us for technical documents and support related to Texas Instruments PGA2311UA, including pin diagrams and datasheets. Our team will respond promptly.
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