DIFFERENTIAL PRESSURE SENSOR
Differential Pressure Sensor -DR381GDetailed Description：
WORKING PRINCIPLE：
The DR381G pressure sensor contains an economical digital pressure and temperature sensor chip, which contains a MEMS pressure sensor and a high-resolution 24-bit ΔΣ ADC and DSP. The sensor provides high precision calibrated digital output of pressure and temperature via UART.
TECHNICAL REQUIREMENT：
| Product | DR8696D | DR381G |
| Measuring Medium | No corrosive gas or liquid | non-corrosive gas |
| Measuring Range | -100~200 kPa | 0~700 kPa |
| Precision | ±2% Span |
Absolute pressure: 0~50℃, ≤15kPa; -20~70℃, ≤3kPa Relative pressure: 0.5kPa at 25°C; 1.5kPa at 0~50°C |
| Max. Diff. | - | 2.5 kPa (when the voltage is 2.4~3.6V) |
| Resolution | 24 Bits | 0.01 kPa (pressure mode) |
| Pressure Overload | 2X | 2X |
| Operating Voltage | 2.5~5.5 V | DC 5±0.3V |
| Operating Current | 5 μA | 1.5 mA |
| Standby current | ＜100 nA. | ＜2 μA |
| Output Signal | I2C (pulse frequency 400KHz) | UART serial port (baud rate 9600Hz) |
| Compensated Temperature | 0~60℃ | 0~60℃ |
| Measuring Medium Temperature | -10~85℃ | -10~85℃ |
| Operating Temperature | -30~85℃ | -40~55℃ |
| Storage Temperature | -40~150℃ | -50~150℃ |
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