Overview
The MCP-J20 series pressure sensor uses a MEMS piezoresistive core as a pressure sensitive element, which outputs a raw signal proportional to the ambient pressure. The conditioning chip with a built-in 16 bit ADC drives the sensitive component and amplifies, temperature compensates, and linearizes the original signal to output an analog voltage output signal that is linearly related to the applied pressure.。
Transfer function
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OUT=A×P+B attention: OUT is the analog output voltage, measured in volts; P is the pressure value, absolute pressure, in kPa; See the table below for A and B. |
Figure 3.1 Simulated Output Transfer Function
| Product Model | Range (kPa) | Output Voltage Range (V) | Gain and Offset | |||
| Po | Pr | OL | OH | A | B | |
| MCP-J20-15115K | 15 | 115 | 0.5 | 4.5 | 0.04 | 0.1 |
| MCP-J20-20250K | 20 | 250 | 0.5 | 4.5 | 0.0173915 | 0.152174 |
| MCP-J20-20400K | 20 | 400 | 0.5 | 4.5 | 0.0105265 | 0.2894735 |

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