PGA2311U.pdf
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The PGA2311U is a well-known audio-grade stereo volume control IC from Texas Instruments. It combines an analog signal path with a digital control interface so systems can deliver fine volume steps, preset recall, remote control, and clean muting behavior without sacrificing audio quality.
This device class is frequently used when designers want a consistent user experience (repeatable volume steps across units) and solid audio metrics (low noise and distortion). As always, final performance depends heavily on PCB layout, grounding strategy, and power supply decoupling.
Supports smooth and predictable volume control behavior for consumer and professional audio interfaces.
Maintains a natural audio path while using digital control for volume steps and system integration.
Enables MCU/DSP control for presets, remote volume, mute handling, and consistent product behavior.
Commonly referenced in designs and cross-reference tools, easing sourcing and redesign evaluation.
Designed for line-level stereo control in hi-fi and home theater signal chains.
Allows the host processor to adjust volume steps and manage system-level behaviors.
Best results require correct grounding, clean supplies, and careful analog routing practices.
| Parameter | Value / Condition |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | PGA2311U |
| Type | Digitally Controlled Analog Stereo Volume Control |
| Package | Refer to TI orderable package variants for PGA2311U family |
| Replacement Note | Confirm pinout, control timing, gain steps, and audio metrics before substitution |
Cross-reference results indicate potential alternatives such as:
Always validate control interface details and audio performance. Even "pin-to-pin" candidates should be checked against your exact board constraints and firmware behavior.
TI provides broad analog and audio IC portfolios. TI audio parts are widely used for their strong documentation, reference designs, and stable supply planning for consumer and pro-audio markets.
Consistent stereo volume control within multi-input home theater systems.
Low-noise, repeatable volume steps for high-fidelity signal chains.
Digital control for level setting while maintaining analog audio integrity.
MCU-controlled volume and mute behavior for premium sound systems.
We currently provide peer-to-peer order processing. Submit an RFQ for PGA2311U, and our professional agent will contact you with competitive global pricing and guide you to complete the order once you accept the offer.
Our experienced QC team strictly verifies and tests PGA2311U. Only qualified suppliers who pass our audit can list PGA2311U 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 PGA2311U fluctuate and are updated periodically (typically within 24 hours). Quotations generally remain valid for 5 days unless otherwise stated.
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We support DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is available. After dispatch, you will receive an email with tracking information. Note: Carriers may take up to 24 hours to show tracking events. Typical transit time: 3–5 days by express; 25–60 days by registered mail.
We perform Pre-Shipment Inspection (PSI) on randomly selected units before shipping. If there is an issue with PGA2311U, 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 PGA2311U, including pin diagrams and datasheets. Our team will respond promptly.
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