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Product Detailed Parameters
- Description：SPDT, 1 CHANNEL, PDSO6
- Series：*
- Mfr：Fairchild Semiconductor
- Package：Bulk
- Switch Circuit：-
- Multiplexer/Demultiplexer Circuit：-
- On-State Resistance (Max)：-
- Channel-to-Channel Matching (ΔRon)：-
- Voltage - Supply, Single (V+)：-
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：-
- -3db Bandwidth：-
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：-
- Current - Leakage (IS(off)) (Max)：-
- Crosstalk：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Number of Circuits：-
- Grade：-
- Qualification：-
Download product information
Overview
The NLAS5123MNR2G is a dual analog switch manufactured by Fairchild Semiconductor, now part of onsemi. It operates within a supply voltage range of 1.65V to 5.5V and supports bidirectional signal transmission. The device features low on-resistance and low charge injection, making it suitable for precision applications. Packaged in a compact 6-UFDFN exposed pad configuration, it is designed for surface mount assembly. The component is classified as obsolete, with official documentation indicating end-of-life status.
Feature Summary
- Dual single-pole double-throw (SPDT) analog switching architecture
- Low on-resistance for minimal signal attenuation
- Compact 6-pin ultra-thin footprint design
Applications
- Portable consumer electronics signal routing
- Audio and video signal switching circuits
- Data acquisition systems multiplexing
Procurement Notes
This component is officially obsolete and no longer manufactured by the supplier. Verification of authenticity is critical when sourcing from secondary markets, as availability is limited to existing stock or surplus channels. Engineers should confirm pin compatibility and electrical specifications against current replacement options before integrating legacy units into new designs.
Selection Notes
Designers requiring this functionality should evaluate current equivalents from the same manufacturer family or alternative vendors offering modern SPDT switches. Considerations must include supply voltage compatibility, on-resistance requirements, and package dimensions. Verify that any substitute device meets the original thermal and electrical performance criteria for the intended application environment.
Part Context
The NLAS5123 series belongs to the low-voltage analog switch portfolio introduced by National Semiconductor and continued under Fairchild Semiconductor and subsequently onsemi. These devices were engineered for battery-powered applications due to their wide operating voltage range and low power consumption characteristics. The specific MNR2G suffix denotes the tape and reel packaging variant.
Replacement Considerations
Publicly confirmed direct substitutes include the NLAS5123DR2G and NLAS5123MNT2G variants, which share identical electrical specifications but differ in packaging format. Designers should verify pinout compatibility and thermal dissipation requirements when transitioning between these package types.
