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Product Detailed Parameters
- Description：IC SWITCH 4PST X 2 250OHM 16WQFN
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Switch Circuit：4PST
- Multiplexer/Demultiplexer Circuit：4:01
- On-State Resistance (Max)：250Ohm
- Channel-to-Channel Matching (ΔRon)：2.5Ohm
- Voltage - Supply, Single (V+)：8V ~ 44V
- Voltage - Supply, Dual (V±)：±5V ~ 22V
- Switch Time (Ton, Toff) (Max)：390ns, 450ns
- -3db Bandwidth：255MHz
- Charge Injection：-16pC
- Channel Capacitance (CS(off), CD(off))：4pF, 16pF
- Current - Leakage (IS(off)) (Max)：1nA
- Crosstalk：-103dB @ 1MHz
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-WQFN Exposed Pad
- Supplier Device Package：16-WQFN (4x4)
- Number of Circuits：2
- Grade：-
- Qualification：-
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Overview
The TMUX7309FRRPR is a dual 4:1 analog multiplexer from Texas Instruments, housed in a 16-pin WQFN package. It supports dual supplies of ±5 V to ±22 V or single supplies of 8 V to 44 V. The device features integrated fault protection tolerating ±60 V overvoltage on source pins and latch-up immunity. Electrical characteristics include an on-resistance (Ron) of 250 Ω at 25°C with ±15 V supplies, off-leakage current of 1 nA, and charge injection of -17 pC. It operates within a temperature range of -40°C to +125°C.
Feature Summary
- Dual-channel 4:1 multiplexing architecture
- Integrated ±60-V fault protection for robust signal handling
- Latch-up immune design ensuring reliable operation
- Compatible with 1.8-V logic control inputs
Applications
- Factory automation and control systems
- Programmable logic controllers (PLC)
- Analog input modules
- Semiconductor test equipment
- Data acquisition systems (DAQ)
Procurement Notes
Verify the specific ordering suffix 'RRP' corresponds to the WQFN-16 package variant when sourcing. Confirm that the component meets RoHS compliance requirements for your assembly process. Ensure the supply chain provides original manufacturer documentation to validate authenticity before integration into production lines.
Selection Notes
Select this model for applications requiring differential signal routing or dual independent 4:1 switching paths. It is suitable where PCB space is limited due to the compact WQFN footprint. Consider the ±60-V fault tolerance if the system environment presents potential voltage spikes exceeding standard supply rails.
Part Context
This component belongs to the TMUX730xF family, which includes the TMUX7308F single-ended 8:1 multiplexer. Both devices share identical electrical specifications and fault protection mechanisms but differ in channel configuration. The TMUX7309F specifically addresses designs needing two isolated multiplexed channels within a single package.
Replacement Considerations
The TMUX7308F serves as a functional alternative if a single-ended 8:1 configuration is required instead of dual 4:1 channels. Other members of the TMUX730xF series may be considered if different pinout arrangements are acceptable.
