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Product Detailed Parameters
- Description：IC SWITCH SP4T X 2 48OHM 16TSSOP
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SP4T
- Multiplexer/Demultiplexer Circuit：4:01
- On-State Resistance (Max)：48Ohm
- Channel-to-Channel Matching (ΔRon)：650mOhm
- Voltage - Supply, Single (V+)：10V ~ 100V
- Voltage - Supply, Dual (V±)：±10V ~ 50V
- Switch Time (Ton, Toff) (Max)：3µs, 650ns (Typ)
- -3db Bandwidth：380MHz
- Charge Injection：-150pC
- Channel Capacitance (CS(off), CD(off))：3pF, 10pF
- Current - Leakage (IS(off)) (Max)：20pA (Typ)
- Crosstalk：-110dB @ 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：2
- Grade：-
- Qualification：-
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Overview
The TMUX8109PWR is a dual-channel, 4:1 analog multiplexer from Texas Instruments designed for high-voltage applications. It operates with supply voltages ranging from 10 V to 100 V in single-supply mode or ±10 V to ±50 V in dual-supply mode. The device supports bidirectional signal paths and features low on-resistance flatness of 0.5 Ω. Key electrical parameters include a maximum on-resistance of 90 Ω, a bandwidth of 380 MHz, and off-isolation of -110 dB. It utilizes a 16-pin TSSOP package and functions within an ambient temperature range of -40°C to +125°C.
Feature Summary
- Supports high voltage operation up to 100 V across single or dual power supplies
- Provides latch-up immunity for reliable performance in harsh environments
- Features fail-safe logic inputs capable of handling voltages up to 48 V independent of the main supply
- Enables break-before-make switching to prevent signal overlap during channel transitions
Applications
- High voltage bidirectional switching
- Semiconductor test equipment
- Data acquisition systems (DAQ)
- Programmable logic controllers (PLC)
Procurement Notes
Verify the specific ordering suffix 'PWR' corresponds to the TSSOP-16 package variant when sourcing components. Confirm that the manufacturer's datasheet revision matches the required design specifications. Ensure compliance with RoHS directives as indicated in the product documentation before finalizing procurement orders.
Selection Notes
Select the TMUX8109PWR when a dual-channel 4:1 configuration is required for high-voltage analog routing. This component is suitable for designs needing consistent parametric performance across wide supply voltage ranges. Consider the TSSOP-16 package dimensions and thermal characteristics for PCB layout planning.
Part Context
This component belongs to the TMUX810x family of high-voltage analog multiplexers manufactured by Texas Instruments. The series includes the TMUX8108, which offers an 8:1 single-channel configuration, while the TMUX8109 provides two independent 4:1 channels. Both share identical high-voltage capabilities and logic interface standards.
Replacement Considerations
The TMUX8108 serves as a functional alternative within the same family if a single-channel 8:1 configuration is preferred over the dual-channel 4:1 setup. Other devices in the TMUX810x series may be considered if pin compatibility and voltage ratings align with the system requirements.
