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Product Detailed Parameters
- Description：IC MUX 8:1 4OHM 16UQFN
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SP8T
- Multiplexer/Demultiplexer Circuit：8:01
- On-State Resistance (Max)：4Ohm
- Channel-to-Channel Matching (ΔRon)：130mOhm
- Voltage - Supply, Single (V+)：1.08V ~ 5.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：12ns, 6ns (Typ)
- -3db Bandwidth：90MHz
- Charge Injection：-1pC
- Channel Capacitance (CS(off), CD(off))：7pF, 60pF
- Current - Leakage (IS(off)) (Max)：80pA
- Crosstalk：-65dB ~ -45dB @ 1MHz ~ 10MHz
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-UFQFN
- Supplier Device Package：16-UQFN (2.6x1.8)
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The TMUX1108RSVR is a low-leakage current precision multiplexer switch IC manufactured by Texas Instruments. It features an 8-channel, 1x8:1 configuration housed in a UQFN-16 package. The device supports a wide single-supply voltage range from 1.08 V to 5.5 V and dual supplies up to ±2.75 V. Key electrical parameters include a maximum on-state resistance of 4 Ohms, a maximum operating speed of 20 ns for turn-on time and 9 ns for turn-off time, and a maximum supply current of 1 uA. It operates within a temperature range of -40°C to +125°C.
Feature Summary
- Supports bidirectional analog and digital signals from ground to the supply voltage range
- Includes fail-safe logic circuits to protect against control pin voltage application before power pins
- Features logic input thresholds compatible with 1.8V logic levels
Applications
- Medical equipment signal routing
- Industrial system data acquisition
- Portable instrumentation channel selection
Procurement Notes
Verify the specific suffix RSVR corresponds to the UQFN-16 package and reel/cut-tape packaging options when sourcing. Confirm RoHS compliance status through official manufacturer documentation or authorized distributor datasheets prior to procurement. Ensure the ordering part number matches the required channel count and configuration specifications exactly.
Selection Notes
Select this component for applications requiring high channel density in a small footprint with ultra-low leakage characteristics. Compare the 1x8:1 topology against alternative configurations if fewer channels are sufficient. Verify that the 4 Ohm on-resistance meets the signal integrity requirements for the specific analog paths involved.
Part Context
This device belongs to the TMUX1108 series of precision multiplexers. It shares the same low-leakage architecture and package style as other members like the TMUX1109, but differs in channel configuration. The RSVR suffix specifically denotes the surface-mount UQFN-16 variant designed for automated assembly processes.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Evaluate other devices within the TMUX family or comparable low-leakage multiplexers based on pin compatibility and electrical parameter margins.
