Series:	--
Packaging:	Tube
Part Status:	Obsolete
Type:	Sensor Interface
Input Type:	Voltage
Output Type:	Differential
Interface:	--
Current - Supply:	125mA
Operating Temperature:	-40°C ~ 105°C
Mounting Type:	Surface Mount
Package / Case:	20-SOIC (0.295", 7.50mm Width)
Supplier Device Package:	20-SOIC
Base Part Number:	CS4121

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CS4121EDWF20G Application Field and Working Principle

Introduction

CS4121EDWF20G is a high-performance digital pressure sensor with a fully integrated pressure measuring element. It has been designed to be extremely robust and reliable, with superior temperature compensation and detection capabilities. It is suitable for a wide range of applications and is robust enough to withstand extreme temperatures and harsh industrial environments.The CS4121EDWF20G features a highly sensitive strain gauge bridge based on an MOS technology. It consists of an array of small pressure-sensitive elements that are situated in an anvil area. The strain gauge bridge measures the pressure and converts it into an electrical output. The electrical output is then transmitted through a digital interface board to the host computer or other external equipment.

Application Fields

The CS4121EDWF20G can be used for a wide range of industrial and commercial applications. These include pressure monitoring for:-Automotive: To measure tire pressure and exhaust-pressure among others.-Industrial: To measure the pressure of gasses and liquids in various processes.-Healthcare: To monitor patient vital signs and heart rate for medical purposes.-Aviation: To measure air pressure in aircraft and pilot’s cabin.-Agriculture: For irrigation and other agricultural processes.

Working Principle

The working principle of the CS4121EDWF20G is based on the strain gauge bridge principle. The bridge consists of an array of four strain gages arranged transversely and orthogonally to each other. Each strain gage is connected in a Wheatstone bridge circuit, with the differential output being read by a microcontroller.When pressure is applied to the strain gauge sensor, the resistors which form the Wheatstone bridge will change in proportion to the pressure. This change in resistance will in turn create a change in voltage. The microcontroller then reads this change in voltage and converts it into a digital signal which is then transmitted to the host computer or external equipment.The digital output is also temperature compensated and can be configured according to the application requirements. The CS4121EDWF20G offers a high accuracy of ±1% up to a resolution of 0.1psi.

Conclusion

The CS4121EDWF20G is an excellent choice for high-performance pressure detection in a wide range of applications. It offers exceptional temperature compensation and detection capabilities and is capable of detecting change in pressure with high accuracy and resolution. The versatility of the sensor and its digital output makes it an ideal choice for numerous industrial, commercial, healthcare and aviation applications.

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