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DG408LAK
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Product Detailed Parameters
- Description：IC MUX 8:1 29OHM 16DIP
- Series：-
- Mfr：Vishay Siliconix
- Package：Tube
- Switch Circuit：-
- Multiplexer/Demultiplexer Circuit：8:01
- On-State Resistance (Max)：29Ohm
- Channel-to-Channel Matching (ΔRon)：1Ohm
- Voltage - Supply, Single (V+)：2.7V ~ 12V
- Voltage - Supply, Dual (V±)：±3V ~ 6V
- Switch Time (Ton, Toff) (Max)：55ns, 25ns
- -3db Bandwidth：-
- Charge Injection：1pC
- Channel Capacitance (CS(off), CD(off))：7pF, 20pF
- Current - Leakage (IS(off)) (Max)：1nA
- Crosstalk：-82dB @ 100kHz
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Through Hole
- Package / Case：16-DIP (0.300", 7.62mm)
- Supplier Device Package：16-DIP
- Number of Circuits：1
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Overview
The DG408LAK is a high-performance CMOS analog multiplexer manufactured by Vishay Siliconix, housed in a 16-lead ceramic dual in-line package (CDIP). It functions as an 8-channel single-ended switch, connecting one of eight inputs to a common output via a 3-bit binary address. The device supports single or dual supply operation with a maximum rating of 44V and operates within a temperature range of -55°C to +125°C. Key electrical characteristics include a maximum on-resistance of 100Ω, low charge injection of 20pC, and a transition time of 160ns. It features TTL-compatible logic and break-before-make switching to prevent crosstalk.
Feature Summary
- Break-before-make switching action protects against momentary crosstalk between adjacent channels
- TTL compatible logic for direct interface with digital control systems
- Single supply capability simplifies power design requirements
- High thermal stability suitable for demanding industrial environments
Applications
- Data acquisition systems requiring multi-channel signal routing
- Industrial process control instrumentation
- Medical equipment signal conditioning
- Test and measurement applications
Procurement Notes
Verify the specific suffix 'AK' against official Vishay documentation to confirm the ceramic package variant and lead finish specifications. Ensure compliance with RoHS directives if required by the application, noting that older ceramic packages may have different environmental declarations than modern plastic equivalents. Cross-reference the manufacturer part number with authorized distributors to confirm current availability status.
Selection Notes
Select this component when high reliability and wide temperature operation are required compared to standard plastic packages. The CDIP package offers superior thermal performance and mechanical robustness for harsh environments. Compare the 100Ω on-resistance and 160ns transition time against system bandwidth requirements. Consider the 44V absolute maximum rating for high-voltage signal handling capabilities.
Part Context
The DG408 belongs to the DG4xx series of high-performance CMOS analog multiplexers from Vishay Siliconix. This series includes variants such as the DG408DJ (plastic DIP) and DG408LE (SOIC), offering similar electrical performance in different package formats. The DG408LAK specifically denotes the ceramic dual in-line package version, providing enhanced durability and thermal characteristics for specialized applications.
Replacement Considerations
The DG408DJ-E3 serves as a plastic DIP alternative with identical electrical specifications. For surface mount designs, the DG408LE series provides equivalent functionality in SOIC packaging. Verify pin compatibility and package dimensions before substitution to ensure board layout compatibility.
