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Product Detailed Parameters
- Description：IC MUX 8:1 5OHM 16UQFN
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SP8T
- Multiplexer/Demultiplexer Circuit：8:01
- On-State Resistance (Max)：5Ohm (Typ)
- Channel-to-Channel Matching (ΔRon)：150mOhm
- Voltage - Supply, Single (V+)：1.08V ~ 5.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：14ns, 5ns (Typ)
- -3db Bandwidth：65MHz
- Charge Injection：9pC
- Channel Capacitance (CS(off), CD(off))：13pF, 76pF
- Current - Leakage (IS(off)) (Max)：75nA (Typ)
- Crosstalk：-62dB ~ -42dB @ 1MHz ~ 10MHz
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-UFQFN
- Supplier Device Package：16-UQFN (2.6x1.8)
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The TMUX1208RSVR is a bidirectional 8:1 single-channel analog multiplexer manufactured by Texas Instruments. It operates within a supply voltage range of 1.08 V to 5.5 V and supports rail-to-rail signal paths from ground to VDD. The device features a maximum on-resistance of 5 ohms, with a channel-to-channel matching of 150 milliohms. Switching times are specified at a maximum of 14 ns for turn-on and 5 ns for turn-off. It includes fail-safe logic compatible with 1.8 V logic thresholds and offers ESD protection rated at 2000 V via human body model. The component is housed in a 16-UQFN package (2.6x1.8 mm) and functions across an operating temperature range of -40°C to +125°C.
Feature Summary
- Bidirectional signal path supporting analog and digital signals from GND to VDD
- Fail-safe logic allows control pin voltage application prior to power supply activation
- Low on-resistance ensures minimal signal attenuation across the switch
- Rail-to-rail operation enables full dynamic range utilization
Applications
- HVAC systems including heating, ventilation, and air conditioning controls
- Smoke detection circuits requiring sensor multiplexing
- Video surveillance equipment for signal routing
- Electronic point-of-sale (POS) terminals
- Battery-powered portable devices
Procurement Notes
Verify the specific suffix RSVR indicates the UQFN-16 package and reel packaging configuration. Confirm RoHS compliance status as per the latest manufacturer documentation. Ensure the ordering part number matches the required channel count and switching speed specifications for the target design.
Selection Notes
Select this component when a single 8:1 multiplexing function is required with low on-resistance. Consider the TMUX1209 variant if dual 4:1 channels are needed instead. Evaluate the TMUX1108 series if lower leakage current or different switching characteristics are prioritized over the standard general-purpose performance of the TMUX1208 family.
Part Context
The TMUX1208RSVR belongs to the TMUX1208/TMUX1209 family of 5-V general-purpose analog multiplexers. This series is designed for applications requiring high reliability and wide supply voltage ranges. The RS designation specifically identifies the UQFN surface-mount package type used in compact electronic designs.
Replacement Considerations
The TMUX1209RSVR serves as a functional alternative within the same package, offering two 4:1 channels instead of one 8:1 channel. Other family members like TMUX1208PWR provide the same electrical functionality but utilize a TSSOP package.
