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DG405AK
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Product Detailed Parameters
- Description：IC SW DPST-NOX2 35OHM 16CERDIP
- Series：-
- Mfr：Vishay Siliconix
- Package：Tube
- Switch Circuit：DPST - NO
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：35Ohm
- Channel-to-Channel Matching (ΔRon)：-
- Voltage - Supply, Single (V+)：13V ~ 36V
- Voltage - Supply, Dual (V±)：±7V ~ 22V
- Switch Time (Ton, Toff) (Max)：150ns, 100ns
- -3db Bandwidth：-
- Charge Injection：60pC
- Channel Capacitance (CS(off), CD(off))：12pF, 12pF
- Current - Leakage (IS(off)) (Max)：250pA
- Crosstalk：-90dB @ 1MHz
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：Through Hole
- Package / Case：16-CDIP (0.300", 7.62mm)
- Supplier Device Package：16-CERDIP
- Number of Circuits：2
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Overview
The DG405AK is a monolithic CMOS analog switch manufactured by Vishay Siliconix, designed for precision signal switching in portable and battery-powered applications. It features two SPDT switches per package with guaranteed break-before-make action to prevent input shorting. Built on a high-voltage silicon-gate process, it supports a maximum supply voltage of 44 V and an analog signal range of ±15 V. The device offers low power dissipation (0.35 µW typical), fast switching times (tON: 100 ns typical), and low leakage current (ID(on): 40 pA). It operates within a temperature range of -55 °C to +125 °C and is available in a 16-pin CerDIP package.
Feature Summary
- Guaranteed break-before-make switching action prevents instantaneous shorting between inputs.
- Compatible with TTL and CMOS logic levels for simple interfacing.
- Epitaxial layer construction prevents latch-up under high voltage conditions.
- Flat on-resistance across the full analog signal range rivals JFET performance.
Applications
- Audio and video signal switching
- Sample-and-hold circuits
- Battery-operated industrial systems
- Test equipment signal routing
Procurement Notes
Verify the specific suffix 'AK' indicates the military-grade temperature range (-55 °C to +125 °C) and ceramic DIP packaging. Confirm RoHS compliance status as older datasheets may list non-compliant variants. Check for availability of the /883 or 5962-qualified versions if high-reliability standards are required for the application.
Selection Notes
Select the DG405AK when dual SPDT configuration with break-before-make timing is required. Ensure the design accommodates the ±15 V analog signal range and 44 V absolute maximum rating. Consider the 16-pin CerDIP footprint for thermal management and durability in harsh environments compared to plastic packages.
Part Context
The DG405AK belongs to the DG401/403/405 series of low-power, high-speed CMOS analog switches. It is distinguished from the DG401 (two SPST) and DG403 (two SPST logic switches) by its SPDT configuration. The 'AK' suffix specifically denotes the extended temperature range and ceramic package variant within this family.
Replacement Considerations
Direct functional substitutes include DG405DJ (plastic DIP, commercial temp) and DG405DY (SOIC, commercial temp). For high-reliability needs, verify cross-reference with 5962-8996101EA. Ensure pinout compatibility and thermal derating requirements match the new component's specifications.
