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Product Detailed Parameters
- Description：IC SWITCH SPDT X 2 2.1OHM 16WQFN
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Tape & Reel (TR),Bulk
- Switch Circuit：SPDT
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：2.1Ohm
- Channel-to-Channel Matching (ΔRon)：46mOhm
- Voltage - Supply, Single (V+)：3V ~ 3.6V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：11µs, 95ns (Typ)
- -3db Bandwidth：450MHz
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：3.3pF
- Current - Leakage (IS(off)) (Max)：-
- Crosstalk：-97dB @ 20kHz
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-WFQFN
- Supplier Device Package：16-WQFN (1.8x2.6)
- Number of Circuits：2
- Grade：-
- Qualification：-
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Overview
The NLAS54405MT2TBG is a dual single-pole double-throw (SPDT) audio switch integrated circuit manufactured by onsemi. It features a 16-WQFN package with dimensions of 1.8 x 2.6 x 0.75 mm. The device operates within a supply voltage range of 3V to 3.6V and supports an operating temperature range from -40°C to +85°C. Key electrical parameters include a maximum on-resistance of 2.1 ohms, a channel-to-channel matching of 46 milliohms, and a -3dB bandwidth of 450MHz. Switching times are specified as 11µs for turn-on and 95ns typical for turn-off, with a capacitance of 3.3pF and crosstalk of -97dB at 20kHz.
Feature Summary
- Dual SPDT configuration enabling two independent signal paths
- Low on-resistance for minimal signal attenuation in audio applications
- High bandwidth supporting wide frequency response requirements
- Compact surface-mount packaging suitable for space-constrained designs
Applications
- Audio signal routing and switching
- Multi-source audio selection systems
- Portable electronic devices requiring low-power signal management
Procurement Notes
This component has been officially declared obsolete by the manufacturer, with end-of-life notification dated November 1, 2021. Verification of current availability requires checking authorized distributors for remaining stock or alternative sourcing channels. Designers should confirm lead times and authenticity through verified suppliers, as standard production volumes are no longer active.
Selection Notes
Engineers selecting this part must account for its obsolete status when planning long-term production. The specific 16-WQFN footprint and 3V-3.6V supply range limit compatibility with higher voltage systems. Verify that the 2.1 ohm on-resistance meets the impedance requirements of the target audio circuit before finalizing the design.
Part Context
The NLAS54405 belongs to the NLAS5 series of analog switches from onsemi, designed for low-voltage audio applications. This specific variant integrates two SPDT switches in a compact WQFN package, distinguishing it from single-switch or higher-pin-count alternatives within the broader family.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Due to the obsolete status, engineers should consult onsemi technical support or authorized distributors for validated pin-compatible or functionally equivalent replacements.
