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Superior Sensor Technology VN Pressure Sensors

Superior Sensor Technology VN Pressure Sensors are based on NimbleSense™ architecture and are designed for ventilator and high-flow oxygen devices. These pressure sensors utilize Multi-Range™ technology to create a wide dynamic range, eliminating the need for fine-tuning or additional calibration. The VN pressure sensors combine an advanced piezoresistive sensing element with integrated amplification, an Analog-to-Digital Converter (ADC), a Digital Signal Processor (DSP), and a digital interface. Advanced digital processing enables new functionality that simplifies system development, making manufacturing easy and increasing reliability. 

These application-specific sensors are designed to control inlet pressure, inspiratory pressure, expiratory pressure, expiratory flow, blower and tank-based flow, and volumetric to mass flow in ventilators and high-flow oxygen devices.

Features

  • Family of inspiratory, expiratory, flow, inlet, and barometric pressure sensors
  • Highly integrated sensors with ADC and DSP
  • 24-bit resolution (each selected range)
  • Pure O2 compatible
  • Up to 8 selectable pressure ranges per device
  • Exceptional zero stability
  • Sensors for flow are available in high and extreme resolution
  • Inlet and barometric pressure sensors include silicone gel protection
  • Fully integrated compensation math
  • Standard I2C and SPI interface

Applications

  • Ventilators
  • High-flow oxygen devices

Specifications

  • Up to 1.09kHz output data rate
  • 1.0Hz to 500Hz selectable bandwidth filter
  • <0.15% FSS total error band
  • -25mA to 25mA I/O current range
  • 2.8V to 3.5V supply voltage range
  • 95% Relative Humidity (RH) (non-condensing)
  • Very high accuracy ±0.05% of the selected range
  • ±0.10% FSS long-term stability 
  • 0°C to+ 50°C temperature compensated 
  • -20°C to +85°C operating temperature range

Videos

Series Comparison

Chart - Superior Sensor Technology VN Pressure Sensors

Application Examples

Superior Sensor Technology VN Pressure Sensors

Application Circuit Diagram - Superior Sensor Technology VN Pressure Sensors

Block Diagram

Block Diagram - Superior Sensor Technology VN Pressure Sensors

Dimension Diagram

Mechanical Drawing - Superior Sensor Technology VN Pressure Sensors

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Superior Sensor Technology VN Pressure Sensors