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Product Detailed Parameters
- Description：44V, LOW RON, 1:1 (SPST) FOUR-CH
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Switch Circuit：SPST - Closed
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：2.4Ohm
- Channel-to-Channel Matching (ΔRon)：100mOhm
- Voltage - Supply, Single (V+)：4.5V ~ 44V
- Voltage - Supply, Dual (V±)：±4.5V ~ 22V
- Switch Time (Ton, Toff) (Max)：185ns, 205ns
- -3db Bandwidth：46MHz
- Charge Injection：104pC
- Channel Capacitance (CS(off), CD(off))：28pF, 45pF
- Current - Leakage (IS(off)) (Max)：1nA
- Crosstalk：-93dB @ 1MHz
- Operating Temperature：-55°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 TMUX7212MPWR is a four-channel precision analog switch in a TSSOP-16 package. It supports single supply voltages from 4.5 V to 44 V and dual supplies from ±4.5 V to ±22 V. The device features low on-resistance of 2 Ω, high current support up to 220 mA, and latch-up immunity. It operates with 1.8-V logic inputs and includes integrated pull-down resistors. The operating temperature range extends from -55°C to +125°C.
Feature Summary
- Latch-up immune design for harsh environments
- Low on-resistance for signal integrity
- Bidirectional operation with rail-to-rail capability
- Fail-safe logic with integrated pull-down resistors
Applications
- Avionics flight control units
- Aircraft cockpit displays
- Standalone avionics precision flight control
- Interconnect distribution boxes
- Aerospace and defense systems
Procurement Notes
Verify the specific ordering suffix 'PWR' corresponds to the TSSOP-16 package when sourcing. Confirm that the component meets the required environmental specifications for your application, particularly the extended temperature range. Ensure compatibility with your system's power supply configuration before procurement.
Selection Notes
Select this component for applications requiring high voltage tolerance and precision switching. Consider the low on-resistance and leakage currents for sensitive signal paths. Verify that the 1.8-V logic compatibility matches your control interface. Evaluate thermal dissipation requirements based on the continuous current ratings at your operating temperature.
Part Context
This part belongs to Texas Instruments' precision switches family, designed for high-performance analog signal routing. It complements other multiplexers in the series by offering robust latch-up protection and wide supply voltage ranges suitable for demanding industrial and aerospace environments.
Replacement Considerations
Check datasheets for alternative parts within the same family or similar specifications. Ensure pinout compatibility if direct replacement is intended. Verify that electrical characteristics such as on-resistance and leakage currents meet or exceed the original requirements.
