NMUX1308BQX

NMUX1308BQX is an 8-channel analogue switch multiplexer and demultiplexer with injection-current control. It is a general purpose, CMOS, bi-directional, 8 channel analogue switch, with operating voltage of 1.5 to 5.5V. The NMUX1308 is dual source compatible with existing 4851 and 4051 devices. The NMUX1308 extends the digital logic thresholds to be compatible with 1.8V systems without the need for voltage translation. The analogue signal pin is comprised of a common I/P/O/P and eight independent inputs/outputs. All analogue signal pins are bi-directional and support a voltage range from GND to VCC. All analogue signal pins integrate injection current control circuitry. This control circuitry isolates overvoltage spikes on disconnected analogue signal pins from coupling to the connected analogue signal path, thereby preserving measurement accuracy. Applications include analogue or digital multiplexing/demultiplexing, system monitoring and diagnostics, enterprise computing appliances.

• SP8T-Z functionality, rail-to-rail operation on analogue signal pins
• Supply voltage range from 1.5 to 5.5V, injection current control, 1.8V digital logic thresholds
• Digital pins compatible with 1.8V logic thresholds across full VCC range
• Removes need for up-translation device for compatibility with low voltage GPIOs
• Enables wider latitude for power sequencing considerations
• Isolates backflow between supply rail and any biased digital/analogue input when VCC = 0V
• Prevents any biased digital/analogue input from back powering VCC when VCC = 0V
• Maintains Hi-Z state of analogue switch when VCC = 0V
• Supports switching of 5.5V digital signals across full VCC operating range
• 16 package DHVQFN package, ambient temperature range from -40°C to +125°C