Texas Instruments TMUX1101/TMUX1102 Precision Analog Switches
Texas Instruments TMUX1101/TMUX1102 Precision Analog Switches are complementary metal-oxide semiconductor (CMOS) single-pole, single-throw (SPST) switches. Wide operating supply of 1.08V to 5.5V allows for use in a broad array of applications from medical equipment to industrial systems. These devices support bidirectional analog and digital signals on the source (S) and drain (D) pins ranging from GND to VDD. The logic control input (SEL) has 1.8V logic compatible thresholds, ensuring both TTL and CMOS logic compatibility when operating within the valid supply voltage range. The switch of the TMUX1101 is turned on when SEL is Logic 1, while TMUX1102 is turned on when SEL is Logic 0. Fail-Safe Logic circuitry allows voltages on the SEL pin to be applied before the supply pin, protecting the device from potential damage.
Features
Wide supply range: 1.08V to 5.5VLow leakage current: 3pALow charge injection: –1.5pCLow on-resistance: 1.8Ω–40°C to +125°C operating temperature1.8V Logic compatible
Applications
Sample-and-hold circuitsFeedback gain switchingSignal isolationField transmittersProgrammable logic controllers (PLC)Factory automation and controlUltrasound scannersPatient monitoring & diagnostics
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