ms4525do Measurement Specialties, ms4525do Datasheet

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ms4525do

Manufacturer Part Number
ms4525do
Description
Pcb Mounted Pressure Transducers
Manufacturer
Measurement Specialties
Datasheet
MS4525DO
DESCRIPTION
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.
than 1.0% over the compensated pressure range. The sensor operates from single supply of either 3.3 or
5.0Vdc.
absolute, gauge, differential or compound pressure from 1 to 150 psi. The 1/8” barbed pressure ports mate
securely with 3/32” ID tubing.
FEATURES
MS4525DO
STANDARD RANGE (PSI)
See Package Configurations: DS= Dual Side Port, SS= Single Side Port, TP= Top Port, MM= Manifold Mount
PSI Pressure Ranges
PCB Mountable
Digital Output
Barbed Pressure Ports
Pressure
The MS4525DO is a small, ceramic based, PCB mounted pressure transducer from Measurement
The MS4525DO is fully calibrated and temperature compensated with a total error band (TEB) of less
The rugged ceramic transducer is available in side port, top port, and manifold mount and can measure
100
150
15
30
50
1
2
5
Absolute
SS, TP
SS, TP
SS, TP
SS, TP
SS, TP
www.meas-spec.com
DS, SS, TP, MM
DS, SS, TP, MM
DS, SS, TP, MM
DS, SS, TP, MM
DS, SS, TP, MM
DS, SS, TP, MM
DS, SS, TP, MM
DS, SS, TP, MM
Gauge
1/17
APPLICATIONS
Factory Automation
Altitude and Airspeed Measurements
Medical Instruments
Leak Detection
PCB Mounted Digital Output Transducer
Combination Temperature and Pressure
I
Differential, Gage, Absolute &
Compound
Temperature Compensated
3.3 or 5.0 Vdc Supply Voltage
Low Power Option Available
(standby < 1uA)
2
C or SPI Protocol
DS, SS,TP, MM
DS, SS,TP, MM
DS, SS,TP ,MM
Differential
DS, MM
DS, MM
DS, MM
DS, MM
DS, MM
SS, TP
SS, TP
SS, TP
SS, TP
SS, TP
SS, TP
SS, TP
SS, TP
Compound
January 2011

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ms4525do Summary of contents

Page 1

... 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 ...

Page 2

... Burst Pressure °C, Port 1 A ESD HBM Solder Temperature TABLE 1- BURST PRESSURE BY RANGE AND PACKAGE STYLE Range 001 002 005 015 030 050 100 150 MS4525DO A Calibration uC D MUX PREAMP (14 Bits) Sensor Signal Conditioner GND APPLICATION SCHEMATIC Min 2.7 -0.3 Vsupply + 0.3 -40 -4 250°C, 5 sec max. ...

Page 3

... Start time to data ready is the time to get valid data after POR (power on reset). The time to get subsequent valid data is then specified by the response time specification. 7. This product can be configured for custom OEM requirements, contact factory for lower power consumption or higher accuracy. MS4525DO MIN TYP MAX -0 ...

Page 4

... Temperature Error Multiplier Temp 2.5 -25 - 2.0 +105 1.5 1.0 0.5 0.0 -25 - NOTE: The Temperature Multiplier is a linear response from -10°C to -25°C and from 85°C to 105°C. MS4525DO Temperature Transfer Functions 7FF 733 666 599 4CC 400 333 266 199 CC 0 -50 °C Tmin + 10%*16383 ...

Page 5

... Prange is equal to the maximum full scale pressure specified in the ordering information. Wetted Material by Port Designation Style Port Ceramic Port 1 X DS, MM Port 2 X SS, TP Port 1 X "X" Indicates Wetted Material MS4525DO 5 4 INT/SS SCL/SCLK 6 3 SDA/MISO 7 2 SUPPLY 8 1 GND ...

Page 6

... MS4525DO DIMENSIONS MS4525DO www.meas-spec.com 6/17 January 2011 ...

Page 7

... MS4525DO MS4525DO www.meas-spec.com 7/17 January 2011 ...

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... MS4525DO MS4525DO www.meas-spec.com 8/17 January 2011 ...

Page 9

... MS4525DO MS4525DO www.meas-spec.com 9/17 January 2011 ...

Page 10

... MS4525DO DIMENSIONS ARE IN INCHES [mm] MS4525DO www.meas-spec.com 10/17 January 2011 ...

Page 11

... I2C communication occurs. 1.4 Transfer sequences Transmission START Condition (S): The START condition is a unique situation on the bus created by the master, indicating to the slaves the beginning of a transmission sequence (the bus is considered busy after a START). MS4525DO www.meas-spec.com 11/17 January 2011 ...

Page 12

... Handshake procedure (Hold Master master-slave system, the master dictates when the slaves will receive or transmit data. However, in some situations a slave device may need time to store received data or prepare data to be transmitted. Therefore, a handshake procedure is required to allow the slave to indicate termination of internal processing MS4525DO www.meas-spec.com 12/17 January 2011 ...

Page 13

... The I2C master command starts with the 7bit slave address with the 8th bit =1 (READ).The sensor as the slave sends an acknowledge (ACK) indicating success. The sensor has four I2C read commands: Read_MR, Read_DF2, Read_DF3, and Read_DF4.Figure 1.6 shows the structure of the measurement packet for three of the four I2C read commands, which are explained in sections 1.6.1 and 1.6.2 MS4525DO www.meas-spec.com 13/17 January 2011 ...

Page 14

... Users that use “status bit” polling should select a frequency slower than 20% more than the response time. MS4525DO www.meas-spec.com 14/17 ...

Page 15

... If the user only requires the corrected bridge value, the read can be terminated after the 2nd byte. If the corrected temperature is also required but only at an 8-bit resolution, the read can be terminated after the 3rd byte is read. Figure 2.2 – SPI Output Packet with Falling Edge SPI_Polarity MS4525DO www.meas-spec.com 15/17 January 2011 ...

Page 16

... MINIMUM SCL CLOCK LOW WIDTH @1 MINIMUM SCL CLOCK HIGH WIDTH @1 CLOCK EDGE TO DATA TRANSITION RISE OF SS RELATIVE TO LAST CLOCK EDGE BUS FREE TIME BETWEEN RISE AND FALL COMBINED LOW AND HIGH WIDTHS MUST EQUAL OR EXCEED MINIMUM SCLK PERIOD. MS4525DO SYMBOL MIN 100 FSCL tHDSTA ...

Page 17

... Typical parameters can and do vary in different applications. All operating parameters must be validated for each customer application by customer’s technical experts. Measurement Specialties, Inc. does not convey any license under its patent rights nor the rights of others. MS4525DO EUROPE Measurement Specialties (Europe), Ltd ...

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