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Product Detailed Parameters
- Description：High Speed, Low Voltage, Dual, D
- Series：UM3670
- Mfr：Union Semiconductor International Limited
- Package：Tape & Reel (TR)
- Switch Circuit：DPDT - NO/NC
- Multiplexer/Demultiplexer Circuit：2:02
- On-State Resistance (Max)：10Ohm
- Channel-to-Channel Matching (ΔRon)：-
- Voltage - Supply, Single (V+)：1.8V ~ 5.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：20ns, 10ns
- -3db Bandwidth：300MHz
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：9pF, 9pF
- Current - Leakage (IS(off)) (Max)：-
- Crosstalk：-60dB @ 10MHz
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：16-UFQFN
- Supplier Device Package：16-QFN (2.6x1.8)
- Number of Circuits：2
- Grade：-
- Qualification：-
Download product information
Overview
The UM3670A is a high-speed, dual, dual-pole/double-throw (DPDT) analog switch designed for low-voltage applications. It operates from a single +1.8V to +5.5V power supply. The device features two independent switches with a typical on-resistance (RON) of 5Ω and an off-isolation of 60dB. It offers a bandwidth of 300MHz and low charge injection of 2pC. The component is housed in a lead-free QFN16 package measuring 2.6x1.8mm.
Feature Summary
- Dual DPDT analog switch configuration for signal routing
- High-speed operation with 300MHz bandwidth
- Low voltage compatibility from +1.8V to +5.5V
- Compact lead-free QFN16 packaging
Applications
- Video source switching
- Signal multiplexing
- Data acquisition systems
Procurement Notes
Verify the specific suffix designation against the manufacturer's official documentation to confirm pinout and electrical characteristics. Ensure the procurement channel provides valid RoHS compliance certificates. Cross-reference the part number with the latest datasheet revision to confirm package dimensions and thermal requirements before finalizing orders.
Selection Notes
Select this component for applications requiring low on-resistance and high bandwidth within a small footprint. The dual DPDT structure allows for efficient signal path management. Consider the operating voltage range and package thermal performance when designing the circuit layout. Verify compatibility with control logic levels for optimal switching performance.
Part Context
The UM3670A belongs to Union Semiconductor's line of high-speed analog switches. It complements other models like the UM3670 by offering dual-channel functionality in a compact form factor. The series targets cost-effective solutions for video and data switching applications where space constraints and signal integrity are critical design parameters.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Consult the manufacturer for direct replacements or equivalent specifications.
