Nanjing yingruichuang Electronic Technology Co., Ltd

SNU511 Resistive dual channel sensor interface IC

New product release. SNU511 is a dual channel sensor interface IC and adjustable to nearly all resistive bridge sensor types. The product supports digital compensation of offset, sensitivity, temperature drift, and non-linearity, with calibration coefficients stored in an integrated EEPROM.

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Product overviewTechnical parameter

Block Diagram

Features

Drive resistive pressure sensor

Supply Voltage: 4.5V~5.5V

Operating Temperature: -40°C ~ +150°C

Accuracy: ±0.1%FS@-40°C~150°C (After sensorcalibration)

Bridge Sensor Input Span: 1~800 mV/V

Output Interface: Proportional voltage/SENT

Over-voltage and Reverse Polarity Protection: -40V~40V

NVM Memory: 256Bytes EEPROM, support repeated erasure

ADC: 16-bit

Package: QFN24

Applications

• Automotive pressure sensor

• Automotive pressure switch

Selection Table

Model	Package	Ordering number	Packing option
SNU511	QFN24	SNU511	Reel

Type	Resistive
Channel	Dual channel
Supply voltage	4.5~5.5V
Supply current	4mA
Operating temperature	-40°C~150°C
Memory	EEPROM (256Bytes)
Temperature sampling rate (Max)	4.8kHz
Pressure sampling rate (Max)	4.8kHz
ADC resolution	16-bit
Analog output resolution (DAC)	12-bit
Interface	SENT/Analog/I2C
Over-voltage and reverse polarity protection	±40V
ESD HBM	±2000V
Qualifications	AEC-Q100 Grade 0