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Product Detailed Parameters
- Description：IC SWITCH SPDTX2 400MOHM 10WQFN
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPDT
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：400mOhm
- Channel-to-Channel Matching (ΔRon)：100mOhm (Max)
- Voltage - Supply, Single (V+)：1.65V ~ 5.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：50ns, 30ns
- -3db Bandwidth：19MHz
- Charge Injection：38pC
- Channel Capacitance (CS(off), CD(off))：60pF
- Current - Leakage (IS(off)) (Max)：100nA
- 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 NS5A4684SMNTBG is a dual 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 5.5 V and supports full 0-VCC signal handling capability. The device features an ultra-low on-resistance of 0.6 Ω maximum, ensuring minimal signal attenuation. It guarantees break-before-make switching to prevent driver shorting. Key electrical parameters include high isolation of -68 dB at 100 kHz, low standby current of less than 50 nA, and total harmonic distortion below 0.08%. Each switch channel can handle a continuous DC current of ±300 mA.
Feature Summary
- Ultra-low on-resistance for efficient signal transmission
- Guaranteed break-before-make switching functionality
- Full rail-to-rail signal handling capability
- High off-channel isolation and low crosstalk
Applications
- Cell phone audio blocks
- Speaker and earphone switching circuits
- Ring-tone chip and amplifier switching
- Modem signal routing
Procurement Notes
Verify the complete part number NS5A4684SMNTBG against official onsemi documentation to ensure correct package and tape-and-reel specifications. Confirm that the WQFN10 package dimensions align with your PCB footprint requirements. Ensure environmental compliance matches project standards as the device is lead-free.
Selection Notes
Select this component when low on-resistance and high isolation are critical for audio or RF signal paths. Verify that the operating voltage range of 1.65 V to 5.5 V matches the system power supply. Consider the small WQFN10 package size if space constraints are a primary design factor.
Part Context
This device belongs to the NS5A4684S family of advanced CMOS analog switches. It is designed for portable electronic applications requiring high performance in a compact form factor. The series emphasizes low power consumption and high linearity for audio and communication signals.
Replacement Considerations
Check for NS5A4684SMNTAG as a potential alternative within the same family. Verify pin compatibility and electrical characteristics before substitution.
