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Product Detailed Parameters
- Description：IC SWITCH SPSTX4 2.5OHM 16TSSOP
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPST
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：2.5Ohm
- Channel-to-Channel Matching (ΔRon)：180mOhm
- Voltage - Supply, Single (V+)：4.5V ~ 44V
- Voltage - Supply, Dual (V±)：±4.5V ~ 22V
- Switch Time (Ton, Toff) (Max)：185ns, 210ns
- -3db Bandwidth：48MHz
- Charge Injection：92pC
- Channel Capacitance (CS(off), CD(off))：28pF, 45pF
- Current - Leakage (IS(off)) (Max)：1nA
- Crosstalk：-93dB @ 1MHz
- Operating Temperature：-40°C ~ 125°C
- 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 TMUX7212PWR is a four-channel analog switch IC from Texas Instruments, configured as four independent single-pole single-throw (SPST) switches. It operates within a supply voltage range of 4.5 V to 44 V for single supplies or ±2.25 V to ±22 V for dual supplies. The device features a maximum on-resistance of 2.5 Ohms, with a typical turn-on time of 185 ns and turn-off time of 210 ns. It supports an operating temperature range from -40°C to +125°C and is housed in a TSSOP-24 package.
Feature Summary
- Four independent SPST channels provide flexible signal routing capabilities.
- Low on-resistance ensures minimal signal attenuation across the passband.
- High voltage tolerance allows operation with wide single or dual supply rails.
Applications
- Signal multiplexing in industrial control systems
- Test and measurement equipment signal paths
- Automotive sensor interface circuits
Procurement Notes
Verify the specific suffix PWR indicates the TSSOP-24 package and tape-and-reel shipping configuration. Confirm RoHS compliance status through the official datasheet before integration. Ensure the ordering part number matches the required channel count and voltage specifications for the target application design.
Selection Notes
Select this component when four isolated low-resistance switching paths are required under high-voltage conditions. Compare against lower-voltage alternatives if system rails do not exceed 36 V. Consider thermal dissipation requirements given the 2.5 Ohm on-resistance at full load currents within the specified temperature range.
Part Context
This part belongs to the TMUX7212 family of high-voltage analog switches. It complements other TI devices like the TMUX7236 by offering higher channel density in a compact surface-mount package. The series is designed for robust performance in demanding environments requiring latch-up immunity and wide supply compatibility.
Replacement Considerations
Direct pin-compatible substitutes may include other TI TMUX72xx series variants with similar channel counts. Verify that alternative parts match the 2.5 Ohm max Ron and 44 V absolute maximum rating to ensure circuit functionality remains unchanged without redesign.
