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Product Detailed Parameters
- Description：AUTOMOTIVE, 12-V, 8:1 ONE-CHANNE
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SP8T - Open
- Multiplexer/Demultiplexer Circuit：8:01
- On-State Resistance (Max)：240Ohm
- Channel-to-Channel Matching (ΔRon)：2Ohm
- Voltage - Supply, Single (V+)：5V ~ 24V
- Voltage - Supply, Dual (V±)：±12V
- Switch Time (Ton, Toff) (Max)：110ns, 85ns (Typ)
- -3db Bandwidth：430MHz
- Charge Injection：2pC
- Channel Capacitance (CS(off), CD(off))：3pF, 9pF
- Current - Leakage (IS(off)) (Max)：100nA
- Crosstalk：-90dB @ 1MHz
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SOT-23-16 Thin, SOT-23 Variant
- Supplier Device Package：16-SOT-23-THIN
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The TMUX4051DYYRQ1 is an automotive-grade, 8:1, 1-channel CMOS multiplexer from Texas Instruments. It operates with a single supply of 5 V to 24 V or dual supplies up to ±12 V. The device supports bidirectional analog and digital signals ranging from VSS to VDD. Key electrical parameters include a maximum on-resistance of 1050 Ω at 5 V and 240 Ω at 24 V. It features low capacitance of 3 pF, 1.8 V logic compatibility, and break-before-make switching. The component is housed in a 16-pin SOT-23-THIN (DYY) package.
Feature Summary
- AEC-Q100 qualified for automotive applications with extended temperature range
- Bidirectional signal path supporting rail-to-rail operation
- Low capacitance design for high-frequency signal integrity
- Break-before-make switching prevents signal overlap
Applications
- Analog multiplexing and demultiplexing
- Battery management systems (BMS)
- HVAC control modules
- Telematics systems
- On-board (OBC) and wireless charging
Procurement Notes
Verify the specific ordering suffix DYYRQ1 corresponds to the SOT-23-THIN 16-pin package and tape-and-reel quantity as defined in the manufacturer's official documentation. Confirm that the Q1 suffix indicates AEC-Q100 qualification suitable for automotive environments before finalizing procurement specifications.
Selection Notes
Select this component when an 8:1 multiplexer configuration is required within automotive constraints. Ensure the application voltage differential falls between 5 V and 24 V. Verify that the 1.8 V logic input thresholds are compatible with the system's control interface. Consider the thermal characteristics of the SOT-23-THIN package if operating near the upper temperature limits.
Part Context
This part belongs to the TMUX405x-Q1 family of general-purpose CMOS multiplexers. It is pin-compatible with industry standard 4051 and 4052 muxes, facilitating direct upgrades or replacements in existing designs. The family includes variants like the TMUX4052-Q1 for different channel configurations.
Replacement Considerations
The TMUX4051-Q1 is pin-compatible with industry standard 4051 muxes. Other members of the TMUX405x-Q1 family may serve as alternatives depending on channel requirements.
