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产品描述
参数
产品特点：
气压计产品采用独特的LGA封装形式，该封装形式经过长期验证，稳定可靠。高稳定性的大气压力测量器件，可以提供精确的、与外界感测压力线性相关的数字信号输出。防水气压计产品覆盖更多的压力量程，可以进行大气压力测量，同时也可以利用液位深度与压力的线性关系，进行深度测量。介质隔离的防水胶，实现压力传递的同时，也可以保护器件免受海水腐蚀，适用于可穿戴产品，比如手环、手表。其中MEMS压力传感器采用先进的离子注入工艺和老哥俱乐部股份独有专利技术的SENSA工艺，SENSA工艺在保证产品长期稳定可靠的同时，实现较低的成本。
器件内部集成有24-bit Sigma-Delta ADC、OTP存储器及I2C/SPI通信接口，外部MCU通过I2C/SPI通信接口，读取ADC转换后的数据，同时读取OTP里面存储的器件校准参数，通过特定的校准公式，可以计算出当前的压力值（Pa）。
产品型号：
| Type specification | Application | Dimension | Pressure type | Pressure range | Output type | Operating Temperature |
| MSPC110-ADS1 | Wearable electronic | 2.7*2.7*1.77mm | Absolute | 30-110kPa | IIC | -40-85℃ |
| MSPC500-ADS1 | Wearable electronic | 2.7*2.7*1.77mm | Absolute | 30-500kPa | IIC | -40-85℃ |
| MSPC15M-ADS1 | Wearable electronic | 2.7*2.7*1.77mm | Absolute | 30-1500kPa | IIC | -40-85℃ |
| MSPC04-GDS1 | Wearable electronic | 4*4*2mm | Gauge | 0-40kPa | IIC | -40-85℃ |
| MSP890 | Altimeter/Barometer | 2*2*0.77mm | Absolute | 30-130kPa | IIC | -40-85℃ |
| MSP881 | Altimeter/Barometer | 2 *2.5*0.99mm | Absolute | 30-130kPa | IIC | -40-85℃ |
| MSP891 | Altimeter/Barometer | 2 *2.5*0.99mm | Absolute | 30-130kPa | IIC | -40-85℃ |
技术参数：
| Parameter | Condition | Min | Typ | Max | Units | ||
| Supply Voltage | VDD | 1.7 | 3.6 | V | |||
| Operating Pressure Range | 30 | 110 | kPa | ||||
| Operating Temperature Range | -40 | 25 | 85 | ℃ | |||
| Temperature Compensation Range | -10 | 50 | ℃ | ||||
| OSR_P | OSR_T | ||||||
| 128X | 128X | 2 | |||||
| Current Consumption (1 conversion/sec.) | 256X | 256X | 3.5 | mA | |||
| 512X | 512X | 4.5 | |||||
| 1024X | 1024X | 6 | |||||
| Standby Current | Sleep mode @25℃ | 0.27 | mA | ||||
| Conversion Time | OSR_P | OSR_T | |||||
| Conversion Time | 128X | 128X | 1.5 | ||||
| Conversion Time | 256X | 256X | 2.5 | ||||
| Conversion Time | 512X | 512X | 3 | ms | |||
| Conversion Time | 1024X | 1024X | 4 | ||||
| Absolute Pressure Accuracy | 300～1100 hPa， 0～65 ℃ |
±1 | hPa | ||||
| Relative Accuracy | P = 900 - 1100hPa | ±10 | Pa | ||||
| T = 25 °C | |||||||
| TCO | P = 900 ~ 1100 hPa, T = 25 ~ 65°C |
1 | Pa/°C | ||||
| Pressure | 24 | Bit | |||||
| ADC Resolution | Temperature | 15 | Bit | ||||
| RMS Noise | OSR_P | ||||||
| RMS Noise | Ultra low power | 1024X | 1.9 | Pa | |||
| RMS Noise | Low power | 2048X | 1.5 | Pa | |||
| RMS Noise | Standard resolution | 4096X | 1.2 | Pa | |||
| RMS Noise | High resolution | 8192X | 1 | Pa | |||
| Absolute Temperature Accuracy | @25 ℃ | ±1 | ℃ | ||||
| Absolute Temperature Accuracy | -10～50 ℃ | ±1.5 | ℃ | ||||
| Long Term Stability | 12 Months | ±1 | hPa | ||||
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