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Product Detailed Parameters
- Description：IC SWITCH SPDT X 2 3.5OHM 10QFN
- Series：-
- Mfr：Union Semiconductor International Limited
- Package：Tape & Reel (TR)
- Switch Circuit：SPDT
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：3.5Ohm
- Channel-to-Channel Matching (ΔRon)：500mOhm
- Voltage - Supply, Single (V+)：1.8V ~ 5.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：80ns, 40ns
- -3db Bandwidth：300MHz
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：-
- Current - Leakage (IS(off)) (Max)：500pA
- Crosstalk：-70dB @ 10MHz
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：10-UFQFN
- Supplier Device Package：10-QFN (1.8x1.4)
- Number of Circuits：2
- Grade：-
- Qualification：-
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Overview
The UM4717Q is a dual single-pole double-throw (SPDT) analog switch manufactured by Union Semiconductor International Limited. It features two independent switching circuits with a 2:1 multiplexer/demultiplexer configuration. The device offers an on-state resistance of 3.5 Ohms and supports a bandwidth of 300MHz. It is housed in a compact 10-QFN package measuring 1.8x1.4mm, designed for signal routing applications requiring low insertion loss and high isolation.
Feature Summary
- Dual SPDT analog switching architecture
- Low on-state resistance for minimal signal loss
- High bandwidth performance up to 300MHz
- Compact 10-QFN surface-mount packaging
Applications
- Industrial signal routing systems
- Consumer electronics audio/video switching
- Digital communication interface protection
Procurement Notes
Verify the manufacturer designation as Union Semiconductor International Limited or Union Semiconductor, Inc., depending on the specific datasheet version. Confirm the package type is 10-QFN (1.8x1.4mm) and check for any ordering suffixes that may indicate tape and reel availability versus tube packaging. Ensure the part status is listed as Active before procurement.
Selection Notes
Select this component when dual-channel SPDT switching is required with a maximum on-resistance of 3.5 Ohms. The 300MHz bandwidth makes it suitable for high-frequency signal paths. Consider the 10-QFN footprint for space-constrained designs. Compare against other dual switches if lower resistance or different pinout configurations are necessary for the specific circuit topology.
Part Context
This component belongs to the family of analog switches produced by Union Semiconductor. These devices bridge analog and digital domains, providing reliable signal path control. The UM4717Q specifically addresses needs for dual-channel switching in compact form factors, serving as a key element in signal multiplexing and demultiplexing architectures within electronic systems.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing PCB footprints and electrical specifications before considering alternative manufacturers.
