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MPXA6115A Datasheet(PDF) 5 Page - Freescale Semiconductor, Inc |
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MPXA6115A Datasheet(HTML) 5 Page - Freescale Semiconductor, Inc |
5 / 17 page MPXA6115A Sensors Freescale Semiconductor 5 Pressure On-chip Temperature Compensation and Calibration Figure 2 illustrates the absolute sensing chip in the basic Super Small Outline chip carrier (Case 1317). Figure 3 shows a typical application circuit (output source current operation). Figure 4 shows the sensor output signal relative to pressure input. Typical minimum and maximum output curves are shown for operation over 0 ° to 85°C temperature range. The output will saturate outside of the rated pressure range. A fluorosilicone gel isolates the die surface and wire bonds from the environment, while allowing the pressure signal to be transmitted to the silicon diaphragm. The MPXxx6115A series pressure sensor operating characteristics, internal reliability and qualification tests are based on use of dry air as the pressure media. Media other than dry air may have adverse effects on sensor performance and long-term reliability. Contact the factory for information regarding media compatibility in your application. Figure 2. Cross Sectional Diagram SSOP/SOP (not to scale) Figure 3. Typical Application Circuit (Output Source Current Operation) Figure 4. Output vs. Absolute Pressure Wire Bond Stainless Steel Cap Thermoplastic Case Die Bond Sealed Vacuum Reference Fluorosilicone Gel Die Coat Lead Frame Absolute Element P1 Die VS Pin 2 +5.0 V GND Pin 3 Vout Pin 4 MPXxx6115A to ADC 100 nF 51 K 47 pF 5.0 4.5 4.0 3.5 3.0 Pressure (ref: to sealed vacuum) in kPa MAX MIN 2.5 2.0 1.5 1.0 0.5 0 Transfer Function: Vout = Vs* (.009*P-.095) ± Error VS = 5.0 Vdc TEMP = 0 to 85ºC TYP |
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