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Product Detailed Parameters
- Description：IC SWITCH SPST-NO/NCX2 25OHM US8
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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. Switching times are specified with a maximum turn-on time of 14ns and turn-off time of 5ns. It exhibits low charge injection of 3pC and minimal off-channel capacitance of 10pF per channel. The component functions within an extended temperature range of -55°C to 125°C.
Feature Summary
- Dual SPST configuration with independent normally open and normally closed channels for flexible signal routing
- Low on-resistance of 25 ohms ensures minimal signal attenuation in the conduction path
- High bandwidth capability of 175MHz supports high-frequency signal integrity
- Low charge injection of 3pC minimizes transient glitches during switching transitions
Applications
- Signal multiplexing and demultiplexing in data acquisition systems
- Audio and video signal path switching
- Sample-and-hold circuits requiring fast settling times
- Programmable gain amplifier input selection
Procurement Notes
Verify RoHS compliance status as the non-G suffix variant was previously non-compliant while this G-suffix version meets RoHS3 standards. Confirm package authenticity against the US8 (8-VFSOP) specification. Check manufacturing date codes against the March 2023 End-of-Life notice to ensure availability of remaining stock or qualified alternatives.
Selection Notes
Select this component when dual isolated signal paths with complementary logic states are required. The 25-ohm on-resistance suits applications where moderate impedance matching is acceptable. Ensure the operating voltage stays within the 2V to 5.5V range. Consider the 175MHz bandwidth limit for high-speed digital or RF analog signals. Verify thermal requirements against the -55°C to 125°C junction temperature rating.
Part Context
This part belongs to the NLAS3 series of low-voltage analog switches from onsemi. It is designed for portable and battery-powered applications due to its low supply voltage operation. The family focuses on minimizing power consumption while maintaining signal fidelity in compact surface-mount packages suitable for space-constrained consumer electronics.
Replacement Considerations
NLAS325US is the direct predecessor but lacks RoHS3 compliance. Verify pinout compatibility if substituting older inventory. No other cross-references are officially documented for this specific dual SPST configuration.
