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Product Detailed Parameters
- Description：IC SWITCH SPDTX4 4.5OHM 16TSSOP
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPDT
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：4.5Ohm
- Channel-to-Channel Matching (ΔRon)：70mOhm
- Voltage - Supply, Single (V+)：1.5V ~ 5.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：35µs, 95ns
- -3db Bandwidth：2GHz
- Charge Injection：3.5pC
- Channel Capacitance (CS(off), CD(off))：3.5pF, 3.5pF
- Current - Leakage (IS(off)) (Max)：100nA
- Crosstalk：-90dB @ 100kHz
- 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 TMUX1574PWR is a Texas Instruments analog switch IC featuring four independent single-pole double-throw (SPDT) channels. It operates on a single supply voltage ranging from 1.5 V to 5.5 V. The device provides a maximum on-resistance of 4.5 Ohms and supports a maximum power-off leakage current of 100 nA. Key timing specifications include a maximum turn-on time of 35 µs and a maximum turn-off time of 95 ns. It functions within an extended temperature range of -40°C to +125°C and is housed in a TSSOP-16 surface-mount package.
Feature Summary
- Integrated powered-off protection capability that limits leakage current when the device is unpowered.
- High channel isolation performance with a specified crosstalk level of -90 dB at 100 kHz.
- Low charge injection characteristic of 3.5 pC to minimize signal distortion during switching.
Applications
- Data acquisition systems requiring multiplexed signal routing
- Industrial process control instrumentation
- Medical equipment signal conditioning
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official documentation to confirm the exact package type and tape-and-reel specifications. Ensure compliance with RoHS directives and check for any recent product change notifications that may affect pinout or electrical characteristics before finalizing procurement orders.
Selection Notes
Select this component when a low on-resistance SPDT configuration is required for signals up to 5.5 V. The TSSOP-16 package is suitable for standard surface-mount assembly processes. Consider the 35 µs switching speed as adequate for general-purpose data acquisition but potentially slow for high-frequency RF applications.
Part Context
This part belongs to the TMUX1574 family of CMOS analog switches designed for precision applications. It serves as a robust alternative to mechanical relays in compact electronic designs, offering solid-state reliability. The PWR suffix specifically denotes the TSSOP-16 package variant within the broader series.
Replacement Considerations
The TMUX1574RSVR offers identical electrical performance in a UQFN-16 package. Verify footprint compatibility and thermal requirements when substituting between TSSOP and UQFN formats.
