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Product Detailed Parameters
- Description：IC SW SPST-NCX4 100OHM 16CERDIP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Switch Circuit：SPST - NC
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：100Ohm
- Channel-to-Channel Matching (ΔRon)：1Ohm (Typ)
- Voltage - Supply, Single (V+)：-
- Voltage - Supply, Dual (V±)：±15V
- Switch Time (Ton, Toff) (Max)：350ns, 180ns (Typ)
- -3db Bandwidth：-
- Charge Injection：30pC
- Channel Capacitance (CS(off), CD(off))：8pF, 1pF
- Current - Leakage (IS(off)) (Max)：5nA
- Crosstalk：-
- Operating Temperature：-55°C ~ 125°C
- Mounting Type：Through Hole
- Package / Case：16-CDIP (0.300", 7.62mm)
- Supplier Device Package：16-CERDIP
- Number of Circuits：4
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Overview
The AD7511DISQ/883B is a hermetically sealed quad single-pole single-throw normally-closed analog switch manufactured by Analog Devices Inc. Designed for MIL-STD-883B compliance, it features four independent SPST-NC channels within a 16-pin CERDIP package. The device supports dual supply voltages up to ±15 V and operates across an extended temperature range of -55°C to +125°C. Key electrical characteristics include a maximum on-state resistance of 100 Ohms, typical switch times of 350ns (Ton) and 180ns (Toff), and low leakage current of 5nA.
Feature Summary
- Hermetically sealed construction compliant with MIL-STD-883B standards
- Quad configuration of normally-closed analog switches
- Extended industrial temperature rating suitable for harsh environments
Applications
- Military-grade signal routing systems
- High-reliability test and measurement equipment
- Harsh environment data acquisition front-ends
Procurement Notes
Verify the specific suffix designation against official Analog Devices documentation to confirm MIL-STD-883B qualification status. Ensure that the ceramic dual in-line package (CERDIP) form factor matches the target footprint requirements. Confirm that the normally-closed logic state aligns with system safety and operational needs before integration.
Selection Notes
Select this component when high reliability and radiation hardness are required over standard commercial alternatives. The SPST-NC topology is distinct from standard SPST-NO switches; verify circuit behavior during power-down states. Consider the thermal management capabilities of the ceramic package for applications involving sustained operation at elevated ambient temperatures.
Part Context
This part belongs to the AD7511 family of CMOS analog switches. The DISQ/883B variant specifically denotes the military-grade, hermetically sealed version intended for defense and aerospace applications where environmental stability and long-term reliability are critical design constraints.
Replacement Considerations
Standard commercial equivalents lack the hermetic sealing and MIL-STD-883B certification. Direct pin-compatible replacements may not offer identical normally-closed functionality or extended temperature performance without rigorous validation.
