TMUX2889YBHR

The TMUX2889 is a complementary metal- oxide semiconductor (CMOS) multiplexer with two independently selectable 2:1, single- pole, double- throw (SPDT) switch channels. This device works with a single supply (1.6 V to 5.5 V), but can pass bidirectional analog and digital signals beyond the supply from - 5.5V to 5.5V. The TMUX2889 also features powered off protection up to ± 5.5V which isolates the switch even when there is no supply voltage present (VDD = 0V). Without this protection feature, any voltage on the switch can back- power the supply rail through an internal ESD diode and cause potential damage to the rest of the system. With 0.001% THD + N and 1 mΩ RON - flatness, the TMUX2889 is designed for passing precision analog and audio signals without adding distortion.

Applications

• Land mobile radios
• Ultrasonic gas flow transmitters
• Smart drug delivery
• Analog input modules
• Industrial module detection
• RS485/232

Key features

• Supply range: 1.8V to 5.5V
• Beyond the supply signal range: -5.5V to 5.5V
• High current support: >1A (maximum)
• Ultra-low on-resistance: 0.2Ω
• Low on-resistance flatness: 1mΩ
• Low THD + N 0.001% (-100 dB)
• -40°C to +125°C operating temperature
• Powered off protection
• Over temperature protection
• 1.8V logic compatible
• Fail-safe logic
• Break-before-make switching