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Product Detailed Parameters
- Description：IC MUX DUAL 8:1 800OHM 28CDIP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Bulk
- Switch Circuit：-
- Multiplexer/Demultiplexer Circuit：8:01
- On-State Resistance (Max)：800Ohm
- Channel-to-Channel Matching (ΔRon)：5Ohm
- Voltage - Supply, Single (V+)：15V
- Voltage - Supply, Dual (V±)：±15V
- Switch Time (Ton, Toff) (Max)：2µs, 500ns
- -3db Bandwidth：-
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：2.5pF, 8pF
- Current - Leakage (IS(off)) (Max)：1nA
- Crosstalk：-70dB @ 100kHz
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Through Hole
- Package / Case：28-CDIP (0.600", 15.24mm)
- Supplier Device Package：28-CDIP
- Number of Circuits：2
- Grade：-
- Qualification：-
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Overview
The MUX28FPC is a monolithic analog multiplexer featuring an 8-channel differential configuration. It operates as a double pole, 8-position electronic switch array with an additional OFF state. The device utilizes JFET technology to provide overvoltage protection capabilities for the input channels. This component is designed for applications requiring high-isolation signal routing and switching in precision measurement systems.
Feature Summary
- Monolithic 8-channel differential analog multiplexer architecture
- Double pole, 8-position plus OFF electronic switch array configuration
- JFET-based input stage providing overvoltage protection
Applications
- Precision data acquisition systems
- Test and measurement equipment signal routing
- Industrial process control instrumentation
Procurement Notes
Verify the specific suffix 'FPC' against official Analog Devices documentation to confirm package type and tape/reel specifications. Confirm current availability status as the base MUX-28 series has been marked obsolete in some records; ensure the FPC variant is actively supported or identify valid cross-references if necessary.
Selection Notes
Select this component when differential signal switching with inherent overvoltage protection is required. The JFET input structure offers high isolation characteristics suitable for sensitive analog signals. Ensure the 8-channel count meets system requirements and verify that the differential configuration aligns with the source signal topology.
Part Context
The MUX28FPC belongs to the MUX-28 family of analog switches manufactured by Analog Devices Inc. (formerly Maxim Integrated). This family is characterized by its use of JFET technology for robust channel isolation and protection features, distinguishing it from standard CMOS multiplexers in harsh electrical environments.
Replacement Considerations
The base MUX-28 datasheet indicates obsolescence. Verify if the MUX28FPC is a distinct active variant or requires substitution with other protected JFET multiplexers from the manufacturer's current portfolio.
