PGA2311UA/1K.pdf
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The PGA2311UA/1K is a digitally controlled analog stereo volume control IC from Texas Instruments. It is widely used in high-quality audio systems because it allows the system processor to set gain/attenuation steps through a digital interface while keeping the audio path analog for natural sound and low distortion.
In real-world audio designs, engineers choose PGA2311-class devices for their clean volume ramping, consistent channel tracking, and good noise performance. It is commonly found in AV receivers, preamplifiers, active speakers, and professional audio controllers where user experience and audio integrity matter.
Provides the listening characteristics of an analog volume stage while enabling MCU-driven volume steps, mute control, and repeatable settings.
Designed for reliable left/right channel matching, which helps keep imaging stable across the full volume range-important for hi-fi and home theater systems.
Suitable for line-level audio paths where background noise and hiss must be minimized, especially with high-gain downstream stages.
Integrates cleanly into modern designs that require remote control, UI presets, or digital volume memory while retaining an analog audio path.
Designed for high-quality stereo attenuation/gain control in preamp stages, mixers, and audio routing architectures.
Enables MCU/DSP control for volume step selection, power-up default behavior, and smooth user-facing volume handling (implementation depends on firmware and UI design).
Engineered to keep distortion and noise low for premium sound. Confirm system performance with proper PCB layout, grounding, and power decoupling.
| Parameter | Value / Condition |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | PGA2311UA/1K |
| Type | Digitally Controlled Analog Stereo Volume Control |
| Package | Refer to TI ordering information for PGA2311UA variants |
| Notes | For drop-in replacement, verify pinout, control interface, and audio performance targets |
Based on cross-reference results, possible functional alternatives include:
Important: "functionally similar" does not guarantee compatibility. Always compare control interface, gain step behavior, signal levels, distortion/noise, and package/pinout before substitution.
Texas Instruments (TI) is a leading supplier of analog and embedded processing solutions. TI's audio portfolio is widely used in consumer and professional products due to strong performance, documentation, and long-term supply support.
Precise stereo volume control with a premium analog audio path.
Consistent volume steps and channel tracking for multi-input audio systems.
MCU-controlled volume with low-noise line-level signal handling.
Repeatable volume presets, remote control, and robust user experience integration.
We currently provide peer-to-peer order processing. Submit an RFQ for PGA2311UA/1K, 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 PGA2311UA/1K. Only qualified suppliers who pass our audit can list PGA2311UA/1K 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/1K 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/1K, 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/1K, including pin diagrams and datasheets. Our team will respond promptly.
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