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Product Detailed Parameters
- Description：IC SWITCH SPST-NO/NCX2 25OHM US8
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR)
- Switch Circuit：SPST - NO/NC
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：25Ohm
- Channel-to-Channel Matching (ΔRon)：-
- Voltage - Supply, Single (V+)：2V ~ 5.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：14ns, 5ns
- -3db Bandwidth：175MHz
- Charge Injection：3pC
- Channel Capacitance (CS(off), CD(off))：10pF, 10pF
- Current - Leakage (IS(off)) (Max)：200nA
- Crosstalk：-90dB @ 100kHz
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-VFSOP (0.091", 2.30mm Width)
- Supplier Device Package：US8
- Number of Circuits：2
- Grade：-
- Qualification：-
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Overview
The NLAS325USG is a dual single-pole single-throw (SPST) analog switch featuring normally open and normally closed configurations. It operates on a single supply voltage ranging from 2V to 5.5V. The device provides a maximum on-resistance of 25 ohms and supports a -3dB bandwidth of 175MHz. Key electrical characteristics include a charge injection of 3pC, off-state leakage current of 200nA maximum, and crosstalk of -90dB at 100kHz. Switching times are specified as 14ns for turn-on and 5ns for turn-off. It is housed in an 8-VFSOP package with a width of 2.30mm.
Feature Summary
- Dual SPST configuration offering both normally open and normally closed switching paths within a single package.
- Low voltage operation capability supporting single supply rails from 2V to 5.5V.
- High-speed signal integrity maintained through low charge injection and high bandwidth specifications.
Applications
- Portable consumer electronics requiring signal routing under low voltage constraints
- Battery-powered systems utilizing single-supply architectures
- Data acquisition systems needing isolated analog signal paths
Procurement Notes
Verify the specific suffix 'G' for RoHS compliance status when ordering. Confirm package availability as the component may be subject to end-of-life restrictions or limited stock conditions. Ensure the required tape and reel quantity matches standard packaging standards for surface mount assembly processes.
Selection Notes
Select this component for applications requiring dual independent signal paths with minimal distortion. Consider the 25-ohm on-resistance for impedance matching requirements. Evaluate the 2V minimum supply voltage against system power budgets. Verify that the 8-VFSOP footprint fits within the designated PCB layout constraints.
Part Context
This part belongs to the NLAS325 family of low-voltage analog switches designed for space-constrained portable devices. It serves as a signal routing solution where low power consumption and small form factor are critical. The device integrates two independent switches to reduce board space compared to discrete solutions.
Replacement Considerations
Check for direct pin-compatible alternatives within the same manufacturer portfolio if supply chain continuity is required. Verify functional equivalence regarding on-resistance and bandwidth specifications before substitution.
