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Product Detailed Parameters
- Description：ONSEMI MUX / DEMUX ANALOG SWITCH
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR)
- Switch Circuit：SPDT - Open/Closed
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：9.9Ohm
- Channel-to-Channel Matching (ΔRon)：300mOhm
- Voltage - Supply, Single (V+)：1.65V ~ 4.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：30ns, 25ns
- -3db Bandwidth：1GHz
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：1.5pF
- Current - Leakage (IS(off)) (Max)：100nA
- Crosstalk：-21dB @ 240MHz
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：6-XFLGA
- Supplier Device Package：6-XLLGA (1x1)
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The NLAS3257CMX3TCG is a low-capacitance single-pole double-throw (SPDT) analog switch manufactured by onsemi. It operates within a supply voltage range of 1.65 V to 4.5 V and features an ultra-small ULLGA-6 package. The device provides bidirectional signal transmission with low on-resistance and minimal propagation delay, making it suitable for portable applications requiring high bandwidth and low power consumption.
Feature Summary
- Ultra-low capacitance design minimizes signal distortion in high-frequency applications
- Low on-resistance ensures efficient signal transmission with minimal voltage drop
- Compact ULLGA-6 package facilitates space-constrained board layouts
Applications
- Portable consumer electronics such as smartphones and tablets
- Audio and video signal routing in mobile devices
- Battery-powered equipment requiring low standby current
Procurement Notes
Verify the specific suffix 'TCG' against official datasheets to confirm packaging and tape-and-reel specifications. Confirm RoHS compliance status through manufacturer documentation prior to integration. Check for end-of-life notifications or obsolescence warnings directly from onsemi channels before finalizing procurement plans.
Selection Notes
Select this component when system requirements demand low insertion loss and minimal signal integrity degradation in SPDT switching configurations. Ensure the operating voltage remains within the 1.65 V to 4.5 V range. Consider the ULLGA-6 footprint constraints during PCB layout design to maintain thermal and mechanical reliability.
Part Context
This part belongs to onsemi's NLAS3257 series of low-capacitance analog switches. The series is engineered for high-speed data transmission in compact form factors. The CMX3 variant specifically denotes the ULLGA-6 package configuration, distinguishing it from other pinout or package options within the same functional family.
Replacement Considerations
Direct substitutes include NLAS3257CMX2TCG and NLAS3257MUTCG. Verify pin compatibility and package dimensions before substitution. Ensure electrical parameters such as on-resistance and capacitance meet original design specifications.
