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Product Detailed Parameters
- Description：IC SWITCH SP8T X 1 6.2OHM 16WQFN
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Switch Circuit：SP8T
- Multiplexer/Demultiplexer Circuit：8:01
- 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)：200ns, 290ns
- -3db Bandwidth：30MHz
- Charge Injection：2pC
- Channel Capacitance (CS(off), CD(off))：15pF, 138pF
- Current - Leakage (IS(off)) (Max)：400pA
- Crosstalk：-65dB @ 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：1
- Grade：-
- Qualification：-
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Overview
The TMUX6208RUMR is a precision 8:1, single-channel multiplexer from Texas Instruments. It operates with a single supply of 4.5 V to 36 V or dual supplies of ±4.5 V to ±18 V. The device features low on-resistance (4 Ω typical) and low charge injection (3 pC typical). It supports bidirectional analog and digital signals ranging from VSS to VDD. Logic inputs are compatible with 1.8 V logic levels and include integrated pull-down resistors for fail-safe operation. The component is housed in a 16-pin WQFN package.
Feature Summary
- Supports bidirectional signal paths for both analog and digital applications
- Features fail-safe logic with integrated pull-down resistors on control pins
- Provides break-before-make switching to prevent signal shorting during transitions
Applications
- Factory automation and control systems
- Programmable logic controllers (PLC)
- Analog input modules
- Semiconductor test equipment
- Data acquisition systems (DAQ)
Procurement Notes
Verify the specific ordering suffix RUMR corresponds to the WQFN package variant when sourcing. Confirm that the supplier provides official datasheets matching the SCDS419E revision. Ensure compatibility with standard ESD handling procedures as specified in the manufacturer's documentation.
Selection Notes
Select this component for high-precision measurement applications requiring low leakage current and minimal charge injection. Consider the WQFN package thermal characteristics if operating at elevated temperatures or high currents. Verify that the required channel count matches the 8:1 configuration rather than the 4:1 alternative.
Part Context
This part belongs to the TMUX620x family of precision multiplexers. The TMUX6208 specifically offers an 8:1 single-channel configuration, whereas the TMUX6209 provides a 4:1 two-channel setup. Both share similar electrical characteristics but differ in pinout and channel density within the same 16-pin footprint options.
Replacement Considerations
The TMUX6209 serves as a functional alternative within the same family but offers a different channel configuration (4:1, 2-channel vs. 8:1, 1-channel). Direct substitution requires verifying pin compatibility and ensuring the application does not require the specific 8:1 routing capability.
