Datasheet > FXPS7250A4T1

FXPS7250A4T1

更新时间： 2024-11-12 01:17:31

品牌	Logo	应用领域
恩智浦 - NXP		/
页数	文件大小	规格书
22页	326K
描述
Analog absolute pressure sensor, 20 to 250 kPa

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FXPS7250A4T1 数据手册

FXPS7250A4

Analog absolute pressure sensor, 20 to 250 kPa

Rev. 4.1 — 29 May 2019

Product data sheet

1 General description

The FXPS7250A4 high-performance, high-precision absolute pressure sensor consists of

a compact capacitive micro-electro-mechanical systems (MEMS) device coupled with a

digital integrated circuit (IC) producing a fully calibrated analog output.

This sensor is ideal for many automotive applications such as manifold air pressure

(MAP), comfort seating and other applications requiring operating absolute pressure

ranges up to 250 kPa.

The sensing element is based on NXP's high precision capacitive pressure cell

technology. The architecture benefits from redundant pressure transducers as an

expanded quality measure. It delivers highly accurate ratiometric analog readings of

absolute pressure while operating from either a 3.3 V or 5.0 V power supply.

The sensor operates over a pressure range of 20 kPa to 250 kPa and over a wide

temperature range of –40 ºC to 130 ºC

The sensor comes in an industry-leading 4 mm x 4 mm x 1.98 mm, restriction of

hazardous substances (RoHS) compliant, high-power quad flat no-lead (HQFN)

package^[1]suitable for small printed circuit board (PCB) integration. Its AEC-Q100^[2]

compliance, high accuracy, reliable performance and high media resistivity make it ideal

for use in automotive, industrial, and consumer applications.

2 Features and benefits

• Absolute pressure range: 20 to 250 kPa

• Operating temperature range: –40 °C to 130 °C

• Analog output for monitoring of the absolute pressure signal

• Pressure transducer and digital signal processor (DSP)

– Internal self test

• Capacitance to voltage converter with anti-aliasing filter

• Sigma delta ADC plus sinc filter

• 800 Hz or 1000 Hz low-pass filter for absolute pressure

• Lead-free, 16-pin HQFN, 4 mm x 4 mm x 1.98 mm package

3 Applications

3.1 Automotive

• Manifold air pressure

– MAP

• Small engine control

• Liquid propane gas (LPG) or compressed natural gas (CNG) engine management

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