DG412DY: In-Depth Technical Analysis of Intersil's Legacy Analog Switch

The DG412DY from Intersil (now part of Renesas Electronics) represents a classic Single-Pole Single-Throw (SPST) analog switch solution that continues to serve critical functions in legacy systems. Despite its obsolete status, this 4-channel IC maintains relevance for engineers requiring robust signal switching capabilities. This comprehensive guide explores every technical aspect while optimizing for search visibility on DG412DY-related queries.

Detailed Product Classification

Primary Category: Integrated Circuits (ICs)

• As part of the fundamental IC family, the DG412DY exemplifies the integration of multiple electronic components into a single 16-SOIC package, reducing board space requirements by up to 60% compared to discrete solutions.

Secondary Category: Analog Switches & Multiplexers

• Specializing in precision signal routing, this device belongs to the interface IC subcategory that handles analog voltage transmission with minimal distortion - a critical feature for audio and measurement systems.

Expanded Technical Specifications

Electrical Characteristics

• On-Resistance Flatness: 5 (typical) across entire signal range
• Power Consumption: <1 W in standby mode
• Breakdown Voltage: 55V absolute maximum
• Signal Handling: Rail-to-rail analog signal capability

Enhanced Switching Performance

• Transition Times: 175ns turn-on, 145ns turn-off (max) at 15V supply
• Bandwidth: >50MHz -3dB point
• Off-Isolation: -85dB @ 1MHz (channel-to-channel)

Package Mechanics & Reliability Data

16-SOIC Package Details

• Dimensions: 9.9mm 3.9mm 1.75mm body
• Pin Pitch: 1.27mm standard spacing
• Moisture Sensitivity: Level 3 (168 hours floor life)

Long-Term Reliability

• MTBF: >1 million hours at 85 C
• ESD Protection: 2000V HBM protection on all pins
• Lead Material: Matte Sn plating for improved solderability

Modern Applications & Replacement Guidance

Current Use Cases

• Industrial PLCs: Signal matrix switching in factory automation
• Test Equipment: Channel selection in legacy oscilloscopes
• Medical Devices: Patient monitoring signal routing

Migration Path

• Recommended Alternatives: DG9412 (lower R_ON), MAX14752 (smaller package)
• Cross-Reference Guide: Pin-compatible with DG411, DG413 series

Why Engineers Still Specify DG412DY

1. Heritage Designs: Critical for maintaining decades-old equipment
2. High Voltage Handling: Exceeds modern IC voltage ranges
3. Known Characteristics: Eliminates redesign risks
4. Stock Availability: Still available through specialty distributors

For engineers requiring the DG412DY's unique combination of 44V operation, low charge injection, and proven reliability, we maintain limited stock of factory-original parts. Contact our technical team for legacy component support and alternative recommendations.

This expanded technical resource provides engineers with comprehensive DG412DY information while optimizing for search visibility through strategic keyword placement, detailed specifications, and practical application guidance.