BD34701KS2

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ROHM Semiconductor BD34701KS2Sell Excess Inventory

Part No.:
BD34701KS2
Manufacturer:
ROHM Semiconductor
Category:
Audio Special Purpose
Package:
52-LQFP
Datasheet:
OEM STOCKBD34701KS2.pdf
Description:
IC AUDIO SIGNAL PROCESSOR 52SQFP
Quantity:

Unit Price:$0

Ext Price:$0

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Product details

BD34701KS2: 7.1ch Sound Processor with Built-in Micro-step Volume (8ch Independent Volume System)
The BD34701KS2 from Rohm Semiconductor is a 7.1-channel sound processor built around an 8-channel independent volume system. Its micro-step volume design reduces switching shock noise during volume changes, enabling high-quality multi-channel audio systems with flexible input selection.

Product Introduction

The BD34701KS2 is designed for multi-channel home theater and surround audio applications. ROHM describes it as an 8-channel independent volume system that can be configured for 7.1-channel surround.

Its micro-step volume helps reduce "shock noise" that can occur when changing volume, improving perceived audio quality and user experience in premium AV equipment.

For system integration, the device also supports multi-source connection scenarios through input selection features suitable for multi-channel and zone-oriented audio designs.

Key Benefits

7.1ch / 8ch Volume Control

8ch independent volume system supports surround designs.

Micro-step Volume

Reduces switching shock noise during volume changes.

Multi-Source Connection Friendly

Input selection architecture supports complex AV routing.

High-Quality Audio Experience

Designed to help achieve premium multi-channel audio sets.

Technical Features

8ch Independent Volume System

Supports 7.1ch surround configuration by design.

Micro-step Volume Control

Helps suppress audible "click/shock" during volume transitions.

AV Input Selection Design

Designed for multi-source and multi-channel AV systems.

Technical Specifications

Parameter Value / Condition
Manufacturer Rohm Semiconductor
Part Number BD34701KS2
Function 7.1ch Sound Processor with Micro-step Volume
Architecture 8ch independent volume system
Key Feature Micro-step volume reduces switching shock noise
Use Case 7.1ch surround systems
Package Common listings show 52-SQFP (10x10) (verify per BOM)

Equivalent & Manufacturer Information

Equivalent / Alternative Models

For replacement, compare: channel count (7.1/8ch), volume step behavior (micro-step), input selection requirements and control interface compatibility.

  • Other ROHM multi-channel sound processors with micro-step volume (same product line)
  • Multi-channel electronic volume ICs + external input switching (if redesign is allowed)
About the Manufacturer – Rohm Semiconductor

Rohm Semiconductor provides analog, power management and audio/video ICs for consumer and industrial markets. Its audio processors and electronic volume solutions are often used in AV receivers, home theater systems and multi-source audio routing designs.

Application Field

AV Receivers

7.1ch volume control and source routing designs.

Home Theater Systems

Multi-channel processing and smooth volume transitions.

Multi-Zone Audio

Complex source and channel routing use cases.

Powered Speaker Sets

Surround speaker systems requiring consistent volume behavior.

Quality Control

Incoming Inspection

Part marking, packaging and traceability checks.

Function Sampling

Sampling verification for volume step behavior and channel mapping (project-based).

ESD Handling

ESD-safe storage and handling for IC reliability.

Pre-shipment Verification

PN/qty/packaging verification to avoid mix-ups.

Frequently Asked Questions (FAQ)

1) What is BD34701KS2 used for?
A 7.1ch sound processor built around an 8ch independent volume system for surround audio.
2) What does micro-step volume improve?
It reduces switching shock noise during volume changes for smoother listening experience.
3) Can it be used for multi-source systems?
Yes, the product description highlights input selection capabilities for connecting multiple sources.

Disclaimer

Multi-channel audio performance depends on system topology, control configuration and PCB layout. Always refer to the latest ROHM documentation and validate in the final product environment.
  • Specifications
  • FAQ
  • Purchase & Inquiry
Attributes
Property Value
Manufacturer
ROHM Semiconductor
Series:
-
Package/Case:
52-LQFP
Packaging:
Tray
Part Status:
Active
Function:
Audio Signal Processor
Applications:
Consumer Audio
Interface:
Serial
Voltage - Supply:
6.5V ~ 7.5V
Operating Temperature:
-40°C ~ 85°C (TA)
Number of Channels:
8
Specifications:
-
Mounting Style:
Surface Mount
Grade:
-
Category:
Audio Special Purpose
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1) How to order BD34701KS2 on OEM STOCK GLOBAL LIMITED?

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2) How does OEM STOCK GLOBAL LIMITED guarantee that BD34701KS2 is from the original manufacturer or authorized sources?

Our experienced QC team strictly verifies and tests BD34701KS2. Only qualified suppliers who pass our audit can list BD34701KS2 on OEM STOCK GLOBAL LIMITED. We pay close attention to sourcing channels and product quality so you can purchase with confidence.

3) Are the price and inventory for BD34701KS2 accurate?

Pricing and inventory for BD34701KS2 fluctuate and are updated periodically (typically within 24 hours). Quotations generally remain valid for 5 days unless otherwise stated.

4) What payment methods are accepted?

Wire Transfer, PayPal, Alipay, WeChat Pay, Credit Card, Western Union, MoneyGram, and Escrow are supported. Note: Some payment methods may incur a handling fee.

5) How is shipping arranged?

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.

6) What is the process for return or replacement of BD34701KS2?

We perform Pre-Shipment Inspection (PSI) on randomly selected units before shipping. If there is an issue with BD34701KS2, returns/replacements are accepted when:

  • Quantity shortages, wrong items, or obvious external defects (e.g., damage, rust) are confirmed by us;
  • We are notified within 90 days of delivery;
  • The part is unused and in its original, unopened packaging.

Steps: (1) Inform us within 90 days; (2) Obtain Return Authorization (RMA) before sending items back.

7) How to get technical support (pinout, datasheet) for BD34701KS2?

Please contact us for technical documents and support related to ROHM Semiconductor BD34701KS2, including pin diagrams and datasheets. Our team will respond promptly.

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