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Product Detailed Parameters
- Description：50V, 1.3 RON, 1:1 (SPST) FOUR-CH
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Switch Circuit：SPST - Closed
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：1.35Ohm
- Channel-to-Channel Matching (ΔRon)：5mOhm
- Voltage - Supply, Single (V+)：4.5V ~ 50V
- Voltage - Supply, Dual (V±)：±4.5V ~ 25V
- Switch Time (Ton, Toff) (Max)：3µs, 2µs
- -3db Bandwidth：200MHz
- Charge Injection：6.5pC
- Channel Capacitance (CS(off), CD(off))：24pF, 24pF
- Current - Leakage (IS(off)) (Max)：300pA
- Crosstalk：-100dB @ 1MHz
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-WQFN Exposed Pad
- Supplier Device Package：16-WQFN (4x4)
- Number of Circuits：4
- Grade：-
- Qualification：-
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Overview
The TMUX7612RUMR is a four-channel precision analog switch in a 16-pin WQFN package. It supports single supply voltages from 4.5V to 50V, dual supplies from ±4.5V to ±25V, and asymmetric configurations. The device features a typical on-resistance of 1.1Ω with ultra-low flatness of 0.0003Ω. It handles up to 470mA continuous current and operates bidirectionally from VSS to VDD. Key electrical parameters include 27pF typical off-capacitance, 2pC charge injection, and logic compatibility down to 1.8V. Operating temperature ranges from -40°C to +125°C.
Feature Summary
- Ultra-low on-resistance and exceptional flatness for high-precision signal integrity
- Bidirectional operation supporting rail-to-rail analog and digital signals
- Special architecture minimizing charge injection to reduce AC noise and offset errors
- Break-before-make switching capability to prevent signal path shorting
Applications
- Semiconductor test equipment
- Automated test equipment (ATE)
- Solid-state relays (SSR) and photorelay replacement
- Data acquisition systems (DAQ)
- Programmable logic controllers (PLC)
Procurement Notes
Verify the specific RUM suffix indicates the 16-pin WQFN package configuration. Confirm that the ordering information matches the required thermal pad specifications for proper PCB mounting. Ensure the component source provides valid traceability documentation consistent with Texas Instruments production standards.
Selection Notes
Select this component when high voltage tolerance up to 50V is required alongside low distortion characteristics. The device is suitable for applications demanding minimal signal degradation due to its low capacitance and high off-isolation. Consider the thermal performance of the exposed pad if operating near maximum current limits.
Part Context
This part belongs to the TMUX7612 family of precision switches manufactured by Texas Instruments. It shares the core functional architecture with other variants in the series but utilizes the RUM package designation for surface-mount assembly. The device is designed to replace mechanical relays in compact electronic designs.
Replacement Considerations
Direct replacements within the same family include TMUX7612PW for TSSOP packaging. Verify pinout compatibility and thermal requirements when substituting packages.
