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Product Detailed Parameters
- Description：IC SW SPST-NO/NCX4 6.2OHM 20WQFN
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPDT
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：6.2Ohm
- Channel-to-Channel Matching (ΔRon)：200mOhm
- Voltage - Supply, Single (V+)：4.5V ~ 36V
- Voltage - Supply, Dual (V±)：±4.5V ~ 18V
- Switch Time (Ton, Toff) (Max)：95ns, 85ns
- -3db Bandwidth：95MHz
- Charge Injection：3pC
- Channel Capacitance (CS(off), CD(off))：17pF, 28pF
- Current - Leakage (IS(off)) (Max)：400pA
- Crosstalk：-105dB @ 1MHz
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：20-WFQFN Exposed Pad
- Supplier Device Package：20-WQFN (4x4)
- Number of Circuits：4
- Grade：-
- Qualification：-
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Overview
The TMUX6234RRQR is a four-channel CMOS analog switch featuring independently controlled SPDT configurations within a 20-pin WQFN package. It supports single supply voltages from 4.5V to 36V, dual supplies from ±4.5V to ±18V, and asymmetric configurations. The device provides low on-resistance of 3.6Ω typical at 25°C, high current support up to 400mA, and bidirectional signal paths ranging from VSS to VDD. Logic inputs are compatible with 1.8V levels, and the component operates across an ambient temperature range of –40°C to +125°C.
Feature Summary
- Features fail-safe logic circuitry that allows control pin voltages to be applied prior to power supply activation.
- Supports rail-to-rail operation with bidirectional signal paths for both analog and digital signals.
- Incorporates break-before-make switching to prevent signal overlap during channel transitions.
Applications
- Remote radio units (RRU)
- Active antenna system mMIMO (AAS)
- Semiconductor test equipment
- Data acquisition systems (DAQ)
Procurement Notes
Verify the specific RRQ suffix indicates the WQFN-20 package configuration when sourcing. Confirm the datasheet revision matches the required design specifications. Ensure the ordering information aligns with the manufacturer's official documentation to guarantee correct part identification and availability.
Selection Notes
Select this component for applications requiring high voltage tolerance up to 36V and precise signal routing. Consider the thermal characteristics of the WQFN package for heat dissipation requirements. Evaluate the 1.8V logic compatibility against the system's microcontroller or FPGA output levels.
Part Context
This device belongs to Texas Instruments' precision switches and multiplexers family. It shares functional similarities with other TMUX62xx series parts but is distinguished by its four-channel SPDT architecture and specific WQFN packaging. It serves as a multi-channel solution for complex signal routing tasks in industrial and communication systems.
Replacement Considerations
Consult the TI datasheet package option addendum for alternative package variants such as the TSSOP-20 (PW suffix). Verify electrical parameter compatibility before substituting with other multi-channel SPDT switches from different manufacturers.
