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PCB Mounted Digital Output Pressure Sensor - MS4525DO

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• PCB Mounted Digital Output Transducer
• Combination Temperature and Pressure
• I2C or SPI Protocol
• Differential, Gage, Absolute, Compound, & Vacuum
• Temperature Compensated
• 3.3 or 5.0 Vdc Supply Voltage
• Low Power Option Available (standby < 1uA)

Model Number: MS4525DO
Data Sheet:

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Product Specification

MS4525DO Pressure Sensor Specification
• PCB Mounted Digital Output Transducer
• Combination Temperature and Pressure
• I2C or SPI Protocol
• Differential, Gage, Absolute, Compound, & Vacuum
• Temperature Compensated
• 3.3 or 5.0 Vdc Supply Voltage
• Low Power Option Available (standby < 1uA)

The MS4525DO is a small, ceramic based, PCB mounted pressure transducer from Measurement Specialties. The transducer is built using Measurement Specialties' proprietary UltraStable™ process and the latest CMOS sensor conditioning circuitry to create a low cost, high performance digital output pressure (14bit) and temperature (11bit) transducer designed to meet the strictest requirements from OEM customers.

The MS4525DO is fully calibrated and temperature compensated with a total error band (TEB) of less than 1.0% over the compensated pressure range. The sensor operates from single supply of either 3.3 or 5.0Vdc and requires a single external component for proper operation.

The rugged ceramic transducer is available in side port, top port, and manifold mount and can measure absolute, gauge, differential, vacuum or compound pressure from 1 to 150psi. The 1/8” barbed pressure ports mate securely with 3/32" ID tubing.

MS4525DO Pressure Sensor Features
• PSI Pressure Ranges
• PCB Mountable
• Digital Output
• Barbed Pressure Ports

MS4525DO Pressure Sensor Applications
• Blocked Filter Detection
• Altitude and Airspeed Measurements
• Medical Instruments
• Fire Suppression System
• Panel Meter
• Air Movement/Environmental Controls
• Pneumatic Controls

MS4525DO Pressure Sensor Absolute Maximum Rating

Parameter	Conditions	Min	Max	Unit	Notes
Supply Voltage	T_A = 25 °C	2.7	5.5	V
Output Current	T_A = 25°C		3	mA
Storage Temperature		-40	+125	°C
Humidity	T_A = 25°C		95	%RH	Non Condensing
Overpressure	T_A = 25 °C, both Ports	Not to Exceed 300		psi
Burst Pressure	T_A = 25 °C, Port 1			psi	See Table 1
ESD	HBM	-4	+4	kV	EN 61000-4-2
Solder Temperature	250°C, 5 sec max.

MS4525DO Pressure Sensor Environmental Specification

Parameter	Conditions
Mechanical Shock	Mil Spec 202F, Method 213B, Condition C, 3 Drops
Mechanical Vibration	Mil Spec 202F, Method 214A, Condition 1E, 1Hr Each Axis
Thermal Shock	100 Cycles over Storage Temperature, 30 minute dwell
Life	1 Million FS Cycles
MTTF	>10Yrs, 70 ºC, 1.188 Million Pressure Cycles, 120%FS Pressure

MS4525DO Pressure Sensor Performance Specification

Supply Voltage: 5.0V or 3.3 Vdc
Reference Temperature: 25°C (unless otherwise specified)

PARAMETERS	MIN	TYP	MAX	UNITS	NOTES
Pressure Accuracy	-0.25		0.25	%Span	2
Total Error Band (TEB)	-1.0		1.0	%Span	3.7
Temperature Accuracy		1.5		°C	4
Supply Current		3		mA	7
Compensated Temperature	-10		85	°C	5
Operating Temperature	-25		+105	°C
Output Pressure Resolution			14	bits
Output Temperature Resolution	8		11	bits
Update Time		0.5		ms	6
Start Time to Data Ready			8.4	ms	6
Weight		3		grams
Media	Non-Corrosive Dry Gases Compatible with Ceramic, Silicon, Borosilicate Glass, RTV, Gold, Aluminum and Epoxy. See "Wetted Material by Port Designation" chart below.