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Stock bbreviation：SDIC
Stock code：688130

Application

Smart Health Scale

Body Scale/Health Scale
Kitchen Scale
ajsh

Medical Electronic

Infrared Thermometer
Digital Thermometer
Blood Glucose Meter
Oximeter

Industrial control and meter

Industrial Control
AC and DC Voltmeter/Ammeter with Digital Display
Multimeter

Smart Sense

PIR
Products
Industrial Control Application IC Measurement sensor IC Metrology IC Digital Temperature Sensor
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Program overview

This series of products is aimed at sensor signal measurement and is specially designed for transmitter solutions. It is integrated in sensor excitation circuit, PGIA, ADC, analog output, and different kinds of communication ports. Single-chip design of the transmitter solution can be realized with a simple peripheral circuit. The dedicated transmitter signal IC with integrated calibration algorithm can rapidly build up the mass production and transmitter calibration. Built-in 32bits MCU can be customized to save the external MCU and reduce power consumption of the system.

Program advantages

Highly integrated IC with simple solution is suitable for resistance or voltage sensor signal measurement
Integrated analog output: 4-20mA/0-5V/0-10V
Integrated MCU, can implement customized development and save external control unit
Program-controlled calibration to improve production efficiency
Integrated temperature sensor can be used for temperature compensation

Highly integrated IC with simple solution is suitable for resistance or voltage sensor signal measurement

Integrated analog output: 4-20mA/0-5V/0-10V

Integrated MCU, can implement customized development and save external control unit

Program-controlled calibration to improve production efficiency

Integrated temperature sensor can be used for temperature compensation

Features

32 bits MCU, 1.8432 MHz operating clock rate
32k Bytes MTP, 2k Bytes SRAM, 512 Bytes EEPROM
Built-in 3.6864 MHz RC oscillator, typical error is less than ±1% at -40~125℃ after calibration
Built-in double 24 bits ADC, low noise PGA, 1 differential or two single-ended inputs. Internal temperature sensor input is selectable.
High precision 16 bits DAC, supports proportional and absolute voltage output (0~2.5V/0~5V/0~10V),Operating current is 4~20mA
Built-in one way voltage incentive. 2.5v and 4v are selectable.
Built-in two way current incentive. 100μA, 250μA, 500μA and 750μA are selectable
Built-in low temperature drift benchmark. Typical value is 5ppm℃, maximum is 10ppm℃
OWI, UART, SPI and I2C communication ports. There are 4 GPIO includes 3 external interrupts
Operating voltage range: 6.5~40V. Built-in high voltage power management module
Operating temperature range: -40~150℃

Application diagram