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Product Detailed Parameters
- Description：IC SWITCH SPDT X 2 50OHM 14CDIP
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube
- Switch Circuit：SPDT
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：50Ohm
- Channel-to-Channel Matching (ΔRon)：-
- Voltage - Supply, Single (V+)：-
- Voltage - Supply, Dual (V±)：±5V ~ 18V
- Switch Time (Ton, Toff) (Max)：250ns, 150ns
- -3db Bandwidth：-
- Charge Injection：12pC
- Channel Capacitance (CS(off), CD(off))：14pF, 14pF
- Current - Leakage (IS(off)) (Max)：1nA
- Crosstalk：-74dB @ 500kHz
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：Through Hole
- Package / Case：14-CDIP (0.300", 7.62mm)
- Supplier Device Package：14-CDIP
- Number of Circuits：2
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Overview
The DG307AAK/883B is a dual SPDT analog switch manufactured by Analog Devices Inc./Maxim Integrated. It features two independent channels with a maximum on-resistance of 50 ohms. The device operates on dual power supplies ranging from ±5V to ±18V. Switching times are specified at a maximum of 250ns for turn-on and 150ns for turn-off. It supports an extended industrial temperature range from -55°C to +125°C. The component is housed in a 14-lead ceramic dual in-line package (CDIP) designed for high-reliability applications.
Feature Summary
- Dual single-pole double-throw (SPDT) configuration providing two independent signal paths
- High-reliability hermetic ceramic packaging suitable for harsh environments
- Extended temperature operation capability for demanding industrial conditions
Applications
- Military and aerospace electronic systems requiring radiation tolerance
- High-reliability data acquisition equipment
- Automatic test equipment interfaces
Procurement Notes
Verify the specific suffix designation carefully, as it indicates the manufacturing source and compliance status. Confirm that the ceramic package matches the mechanical constraints of the target assembly. Check current availability status as this part may be subject to limited production runs or long lead times due to its specialized nature.
Selection Notes
Select this component when dual-channel switching with low on-resistance is required in a ruggedized environment. Ensure the supply voltage remains within the ±5V to ±18V range to maintain performance specifications. Consider the physical size of the CDIP-14 package during layout planning compared to standard plastic alternatives.
Part Context
This part belongs to the DG307A series of CMOS analog switches. It serves as a high-reliability alternative to standard commercial grade devices. The 'AK/883B' suffix typically denotes a military-grade or space-qualified version compliant with MIL-PRF-38534 standards, offering enhanced screening and traceability.
Replacement Considerations
Direct pin-compatible replacements include other DG307 variants in different packages such as DG307AEWE. Verify if the lower reliability rating of plastic packages meets the application requirements before substitution.
