Applications: Mobile altimeter/barometer systems, Weather control systems, Adventure or multi-mode watches, GPS receivers

　　Industries: Consumer Goods

　　Description: The MS5540C is a SMD-hybrid device including a precision piezoresistive pressure sensor and an ADC Interface IC. It is a miniature version of the MS5534C barometer/altimeter module and provides a 16-bit data word from a pressure and temperature dependent voltage. MS5540C is a low power, low voltage device with automatic power down (ON/OFF) switching. A 3-wire interface is used for all communications with a microcontroller. Compared to MS5534A the pressure range (measurement down to 10 mbar) has been improved. The MS5540C is fully software compatible to the MS5534C and previous versions of MS5540. In addition, the MS5540C is from its outer dimensions compatible to the MS54XX series of pressure sensors. Compared to the previous version, the ESD sensitivity level has been improved to 4kV on all pins. The gel protection of the sensor provides a water protection sufficient for 100 m waterproof watches without any additional protection.

　　Features:
　　• Integrated pressure sensor
　　• Small size 6.2 x 6.4 mm
　　• Pressure range 10-1100 mbar
　　• Resolution 0.1 mbar
　　• 16 Bit ADC
　　• 6 coefficients for a software compensation stored on-chip
　　• 3-wire serial interface
　　• 1 system clock line (32.768 kHz)
　　• Temperature range -40..+85°C
　　• Low voltage (2.2 to 3.6V)
　　• Low power (Standby current:0.1uA)
　　• Pb-free and RoHS-compatible
　　• No external components required

　　典型应用: 手持海拔高度/大气压力系统，天气控制系统，探险或多功能手表，GPS

　　行业: 消费电子和家用电器

　　产品描述: MS5540C是一款表面贴装传感器，包括一个硅压阻压力传感元件和一个模数转换IC。该产品是MS5534C气压传感器的小型版。产品根据压力和温度变化产生的电压变化转换为16位数字输出，通过3线接口与外部微控器通讯。与MS5534A相比，MS5540C的量程更广（最低到10mbar）。MS5540C与MS5534C以及其他版本的MS5540具有软件兼容性。另外，MS5540C还在安装上与MS54XX系列压力传感器兼容。与更早的版本相比，MS5540C的防静电能力更强（4kV ）。产品在不需要其他保护的情况下可以100米防水。

　　特点:
　　•集成压力传感器
　　•尺寸小：6.2 x 6.4 mm
　　•压力量程：10-1100 mbar
　　•分辨率：0.1 mbar
　　•16位ADC
　　•6个软件补偿系数
　　•3线串口
　　•1条系统时钟线 (32.768 kHz)
　　•工作温度：-40℃~+85℃
　　•低压供电 (2.2 ~ 3.6V)
　　•低功耗 (待机电流：0.1uA)
　　•无铅&RoHS认证
　　•无需外部电源

　　MS5540C气压传感器更多技术参数及规格书下载请浏览：http://www.sensorway.cn/sensors/452.html
　　
　　北京赛斯维测控技术有限公司产品咨询热线：010-84775646,84775648。