Nanjing yingruichuang Electronic Technology Co., Ltd

SNU301 Capacitive sensor interface IC

SNU301 is a interface chip for temperature and pressure sensor. The product can drive the capacitive pressure sensor and has the advantages of high accuracy and fast response speed. It has passed the AEC-Q100 standard certification and is widely used in automotive, industrial and consumer.

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Product overviewTechnical parameter

Block Diagram

Features

Drive capacitive pressure sensor

Supply voltage: 4.5V~5.5V

ESD HBM: ±2000V

Latch up：±200mA

OTP: 256Bytes

Built-in high accuracy PGA

Built-in two high resolution 24-bit ADC

Built-in temperature sensor

Interface: SENT/Analog/I2C

Support high and low clamp setting

Wide temperature range: -40°C ~ +150°C

Applications

• Automotive pressure sensor

• Automotive pressure switch

Selection Table

Model	Package	Ordering number	Packing option
SNU301 【PDF】	SSOP16	SNU301	Reel

Type	Capacitive
Channel	Single channel
Supply voltage	4.5~5.5V
Supply current	3mA
Operating temperature	-40°C~150°C
Memory	256Bytes (OTP)
Temperature sampling rate (Max)	4.8kHz
Pressure sampling rate (Max)	4.8kHz
ADC resolution	24-bit
Analog output resolution (DAC)	16-bit
Interface	SENT/Analog/I2C
Over-voltage and reverse polarity protection	±20V
ESD HBM	±2000V
Qualifications	AEC-Q100 Grade 0