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Product Detailed Parameters
- Description：IC SWITCH SPST X 4 4OHM 16TSSOP
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPST
- Multiplexer/Demultiplexer Circuit：1:01
- 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)：-
- -3db Bandwidth：300MHz
- Charge Injection：-1.5pC
- Channel Capacitance (CS(off), CD(off))：7pF, 10pF
- Current - Leakage (IS(off)) (Max)：80pA
- Crosstalk：-90dB @ 10MHz
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：16-TSSOP
- Number of Circuits：4
- Grade：-
- Qualification：-
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Overview
The TMUX1112PWR is a precision analog switch IC from Texas Instruments, featuring four independent single-pole single-throw (SPST) channels in a TSSOP-16 package. It operates on a single supply voltage ranging from 1.08 V to 5.5 V. Key electrical parameters include a maximum on-state resistance of 4.9 Ohms and a maximum power supply current of 1 uA. The device supports bidirectional analog and digital signals with an on-state leakage current of 3 pA. It functions within a temperature range of -40°C to +125°C.
Feature Summary
- Ultra-low on-state leakage current of 3 pA for high-impedance signal integrity
- Low on-state resistance of 4.9 Ohms max for minimal signal attenuation
- Wide single-supply operation from 1.08 V to 5.5 V for flexible power integration
- Bidirectional switching capability supporting ground-to-VDD signal ranges
Applications
- Medical equipment requiring low leakage and wide voltage compatibility
- Industrial systems utilizing single-supply architectures
- Data acquisition systems needing precise signal routing
- Automotive sensor interfaces operating across extended temperatures
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official datasheet to confirm pinout and package variations. Ensure the component meets RoHS compliance requirements for your target market. Cross-reference the part number with authorized distributors to validate authenticity and traceability before procurement.
Selection Notes
Select this component when ultra-low leakage current is critical for maintaining signal accuracy in high-impedance circuits. The wide input voltage range allows compatibility with various logic levels without level shifting. Consider the TSSOP-16 package constraints for PCB layout and thermal management during design integration.
Part Context
This device belongs to the TMUX111x family of precision CMOS switches. It shares core specifications with variants like the TMUX1111PWR and TMUX1113PWR, differing primarily in internal calibration or testing criteria. The PWR suffix denotes the TSSOP-16 surface-mount package configuration used for compact circuit board implementations.
Replacement Considerations
The TMUX1111PWR and TMUX1113PWR are direct functional substitutes within the same series. Verify that the alternative variant's specific on-resistance tolerance matches the application requirements. Ensure the replacement maintains the same TSSOP-16 footprint for seamless board replacement.
