DESCRIPTION

· Superior's SP Series low pressure sensor module family utilizes NimbleSense™ architecture for high dynamic range, ideal for Spirometry pressure sensing.
· Supports selectable multiple pressure ranges in a single package, with SP110/SP210 programmable to ±250, 500, 1k, and 2.5k Pa, and SP160 to ±5, 10, 20, and 40 kPa.
· Integrates advanced piezoresistive sensing with amplification, ADC, DSP, and processor intelligence for simplified customer integration.
· Employs floating point technology for precise digital output, enhancing Spirometry system sensing performance.

FEATURES

· Highly integrated sensor with ADC and DSP, programmable ranges from ±250 Pa to ±40 kPa.
· 16-bit resolution per range, ultra-low noise with 19+ bit effective resolution.
· Selectable bandwidth filter from 25Hz to 250Hz, Z-Track™ virtually eliminates zero drift.
· High accuracy of ±0.1% of selected range, long-term stability of ±0.1% FSS/year.
· Enhanced EMI immunity, output update rate of 500Hz, temperature compensated from 0°C to 50°C.
· Supply voltage compensation, standard I2C and SPI interfaces.

APPLICATIONS

· Optimized for Spirometry market, ensuring precise near-zero measurements.
· Measures dry air and non-aggressive gas pressure with high accuracy better than 0.10% FS.
· Total Error Band typically better than 0.15% FSS, leading in industry accuracy performance.