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Product Detailed Parameters
- Description：IC SWITCH SPDTX2 350MOHM 10WQFN
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPDT
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：350mOhm
- Channel-to-Channel Matching (ΔRon)：50mOhm (Max)
- Voltage - Supply, Single (V+)：1.65V ~ 4.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：50ns, 50ns
- -3db Bandwidth：19MHz
- Charge Injection：38pC
- Channel Capacitance (CS(off), CD(off))：60pF
- Current - Leakage (IS(off)) (Max)：500nA
- Crosstalk：-70dB @ 100kHz
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：10-WFQFN
- Supplier Device Package：10-WQFN (1.4x1.8)
- Number of Circuits：2
- Grade：-
- Qualification：-
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Overview
The NLAS5223BMNR2G is a discontinued dual independent Single Pole Double Throw (SPDT) analog switch fabricated in Sub-micron silicon gate CMOS technology. It operates on a single supply voltage ranging from 1.65 V to 4.5 V and features an ultra-low typical on-resistance of 0.35 ohms at VCC = 4.3 V. The device guarantees break-before-make switching, ensuring switches never short the driver. It supports full 0-VCC signal handling capability with high off-channel isolation and low standby current of less than 50 nA. The component is housed in a 1.4 x 1.8 mm WQFN10 package.
Feature Summary
- Ultra-low on-resistance for minimal signal loss
- Guaranteed break-before-make switching prevents driver shorts
- Interfaces directly with 2.8 V chipset logic levels
- High continuous current capability through each switch
Applications
- Cell phone audio block switching
- Speaker and earphone switching circuits
- Ring-tone chip and amplifier switching
- Modem signal routing
Procurement Notes
This specific part number is officially discontinued by the manufacturer and is not recommended for new designs. Verification of availability should focus on secondary market distributors or obsolete inventory holders rather than standard manufacturing channels. Confirming the exact package variant and date code is essential when sourcing from non-original suppliers.
Selection Notes
Designers requiring this functionality must evaluate alternative components as this model is no longer supported for production. Selection criteria should prioritize devices offering similar SPDT configurations, low on-resistance, and compatible supply voltage ranges. Verify that replacement parts maintain the required signal integrity specifications and physical footprint constraints for existing layouts.
Part Context
The NLAS5223B series belongs to onsemi's portfolio of advanced CMOS analog switches designed for portable electronics. This specific marking code corresponds to the B variant, which interfaces with 2.8 V chipsets, distinct from the BL variant intended for 1.8 V systems. Both variants share identical electrical characteristics and packaging options within the family.
Replacement Considerations
Refer to the manufacturer's discontinuation notice for recommended alternatives. Cross-reference with other dual SPDT analog switches featuring comparable on-resistance and supply voltage ranges.
