BD34705KS2.pdf
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The BD34705KS2 is a multi-channel sound processor intended for AV receiver and surround audio platforms. ROHM positions it as an 8-channel independent volume system suitable for 7.1ch surround applications, helping designers manage multiple analog audio paths with consistent behavior.
A key advantage is its micro-step volume approach, designed to reduce pop noise during attenuation and switching-important for receivers that frequently change sources or adjust levels.
The device also supports zone output usage and uses a 2-wire serial control interface compatible with 3.3V / 5V logic for easier MCU integration.
Supports multi-channel surround routing and system-level volume management in AV receiver style platforms.
Micro-step attenuation helps reduce audible artifacts during volume changes and switching transitions.
Useful for main-zone + secondary-zone scenarios where separate output level control is required.
MCU control through a 2-wire serial bus helps simplify UI features and production tuning.
Integrates input selection for complex AV receiver routing with multiple analog audio paths.
Provides fine step attenuation intended to maintain smooth perceived loudness and reduce switching noise.
2-wire serial control interface designed to match common MCU I/O voltage levels.
| Parameter | Value / Condition |
|---|---|
| Function | Sound processor / multi-channel volume system |
| Surround Target | 7.1ch AV receiver applications |
| Volume Control | Micro-step volume (noise-reduction oriented) |
| Control Interface | 2-wire serial bus (I2C-like control) |
| Logic Level | 3.3V / 5V compatible |
| Package | KS2 package option (confirm footprint in datasheet) |
For replacement, compare other multi-channel AV receiver sound processors or electronic volume controllers with similar channel count, zone support, and pop-noise performance. Always confirm pinout and register-map compatibility before substitution.
ROHM Semiconductor provides audio ICs covering sound processors, electronic volume controls, switching ICs, and power management solutions used in AV receiver and infotainment designs.
Multi-channel routing, source selection, and surround volume control for home theater platforms.
7.1ch surround audio chains requiring controlled switching behavior and consistent channel tuning.
Zone outputs for second-room audio distribution and independent level management.
Complex audio input switching and volume management in consumer entertainment devices.
We currently provide peer-to-peer order processing. Submit an RFQ for BD34705KS2, 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 BD34705KS2. Only qualified suppliers who pass our audit can list BD34705KS2 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 BD34705KS2 fluctuate and are updated periodically (typically within 24 hours). Quotations generally remain valid for 5 days unless otherwise stated.
Wire Transfer, PayPal, Alipay, WeChat Pay, Credit Card, Western Union, MoneyGram, and Escrow are supported. Note: Some payment methods may incur a handling fee.
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 BD34705KS2, 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 ROHM Semiconductor BD34705KS2, including pin diagrams and datasheets. Our team will respond promptly.
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