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DG188AA
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Product Detailed Parameters
- Description：SPDT, 1 FUNC, 1 CHANNEL, MBCY10
- Series：*
- Mfr：Rochester Electronics, LLC
- Package：Bulk
- Switch Circuit：-
- Multiplexer/Demultiplexer Circuit：-
- On-State Resistance (Max)：-
- Channel-to-Channel Matching (ΔRon)：-
- Voltage - Supply, Single (V+)：-
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：-
- -3db Bandwidth：-
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：-
- Current - Leakage (IS(off)) (Max)：-
- Crosstalk：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Number of Circuits：-
- Grade：-
- Qualification：-
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Overview
The DG188AA is a high-speed driver featuring a single-pole double-throw (SPDT) JFET switch, manufactured by Intersil Corporation and distributed by Rochester Electronics. It utilizes a P-channel JFET architecture to provide low on-resistance and fast switching capabilities. The device is housed in a hermetic ceramic dual-in-line package, specifically designed for military and aerospace applications requiring high reliability. Key electrical characteristics include a supply voltage range of ±5V to ±18V, an on-resistance of typically 20 ohms, and a breakdown voltage of 30V. The component operates within a temperature range of -55°C to +125°C, ensuring stability in extreme environments.
Feature Summary
- Integrates a high-speed SPDT JFET switch with low on-resistance for efficient signal routing.
- Constructed with hermetic ceramic packaging to withstand harsh environmental conditions.
- Supports wide supply voltage ranges suitable for various analog signal processing needs.
Applications
- Military and aerospace communication systems requiring reliable signal switching.
- High-frequency analog signal routing in test and measurement equipment.
- Harsh environment data acquisition systems needing radiation-hardened or high-reliability components.
Procurement Notes
Verify the manufacturer marking and lot code against Intersil specifications when sourcing from Rochester Electronics. Confirm the package style matches the required hermetic seal standards. Check for any specific military screening levels or traceability documentation if the application demands strict compliance. Ensure the operating temperature range aligns with system requirements.
Selection Notes
Select this component when a high-speed, low-distortion analog switch is needed in a ruggedized form factor. Compare on-resistance and leakage current specifications against alternative JFET switches. Consider the package size constraints and thermal management needs for hermetic packages. Evaluate supply voltage compatibility with the target circuit design.
Part Context
The DG188AA belongs to the DG188 family of high-speed drivers with SPDT JFET switches. Intersil developed this series for applications demanding fast switching speeds and low signal distortion. Rochester Electronics provides lifecycle support for discontinued or limited-production versions of this component, maintaining availability for legacy systems.
Replacement Considerations
Direct replacements may include other hermetic SPDT JFET switches from manufacturers like Vishay Siliconix or Analog Devices. Verify pinout compatibility and electrical parameters such as on-resistance and breakdown voltage. Ensure the replacement package meets the same mechanical and environmental sealing requirements.
