MS5541C Series Pressure Transducer

MS5541C Series Pressure Transducer Description:  The MS5541C is the miniature version of MS5535C pressure sensor module. It contains a precision piezoresistive pressure sensor and an improved version of the 16 Bit Micropower Sensor interface IC known from the MS5535C. Compared to the previous version the ESD sensitivity has been improved […]

MS5541C Series Pressure Transducer

Description: 

The MS5541C is the miniature version of MS5535C pressure sensor module. It contains a precision piezoresistive pressure sensor and an improved version of the 16 Bit Micropower Sensor interface IC known from the MS5535C. Compared to the previous version the ESD sensitivity has been improved to 4kV on all pins. In addition to this the MS5541C is from its outer dimensions compatible to the MS54xx series of pressure sensors. It uses an antimagnetic polished stainless steel ring for sealing with O-ring. The sensor provides 16 Bit pressure and temperature data via a 3 wire serial interface that can be easily interfaced with 4 Bit low power microcontrollers. 64 Bit of factory programmed PROM provides calibration data for a highly accurate pressure and temperature calculation. The MS5541C is fully software compatible to the MS5535C and previous versions of MS5541.

Features:
• Integrated pressure sensor
• Pressure range 0 – 14 bar (200 PSI)
• Resolution 1.2 mbar
• Small size 6.2 x 6.4 mm
• 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

Parameter Symbol Conditions Min Typ Max

Unit

Operating pressure range p

0

14

bar

Supply voltage VDD

2.2

3.0

3.6

V

Supply current, VDD = 3.0 V
average (1) Iavg

4

µA

during conversion (2) Isc

1

mA

standby (no conversion) Iss

0.1

µA

Current consumption into MCLK MCLK = 32.768 kHz

0.5

µA

(3)
Operating temperature range T

-40

85

°C

Conversion time tconv MCLK = 32.768 kHz

35

ms

External clock signal (4) MCLK

30.000

32.768

35.000

kHz

Duty cycle of MCLK

40/60

50/50

60/40

%

Serial data clock SCLK

500

kHz

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