Mitsumi MM3609ARRE Analog Front-End IC
Mitsumi MM3609ARRE Analog Front-End Integrated Circuit (IC) is a high-performance sensor interface device that converts analog sensor outputs into digitally processed data for communication with microcontrollers and other host systems. Designed to support a wide range of sensor types, the IC integrates a 24-bit delta-sigma analog-to-digital converter (ADC) with a wide dynamic range and on-chip non-volatile memory for storing sensor calibration coefficients. An embedded temperature sensor for temperature compensation and selectable I2C or SPI communication interfaces are also included.
The Mitsumi MM3609ARRE also features programmable sensor excitation with constant-current and constant-voltage drive modes, a built-in oscillator that eliminates the need for external timing components, and configurable resolution and data output rates. These features make the IC an ideal solution for precision sensing applications such as pressure measurement, load cells, industrial instrumentation, medical devices, and other systems requiring accurate sensor data acquisition and digital signal processing.
Features
- Mounted 24-bit⊿Σ ADC with a wide dynamic range
- Stores sensor-correcting sequences and corrective coefficients needed for correcting sensors in non-volatile memory
- Built-in NVM with selectable communication interfaces
- I2C Hs, 3.4Mbps maximum
- SPI 4-wire, 5Mbps maximum
- Low-voltage, low-power operation for battery-powered devices
- 1.14V to 3.6V supply
- ~0.54mA typical current
- 0.1µA standby
- Able to behave with a low voltage of 1.71V or above
- Integrated temperature sensor, which corrects the temperature characteristics of the external sensor
- Effective resolution or data-output-rate is selectable to suit users
- Built-in oscillator, no external oscillation circuit needed
- Corresponds to two modes of the sensor driving method
- Constant current
- Constant voltage
Applications
- Pressure sensing systems
- Load cells and weighing equipment
- Industrial process monitoring and control instruments
- Medical and healthcare devices
- Environmental monitoring systems
- Smart sensor modules and IoT devices
- Temperature-compensated sensing
Specifications
- 1.71V to 3.60V analog power supply range, 5.90V during NVM writing
- 1.14V to 3.60V digital I/O pwer supply voltage range, 1.14V to 1.32V during NVM writing
- 650µA to 790µA maximum current consumption range, 1.0µA at shutdown
- Current for sensor driving
- 10µA to 1270µA setting range
- 10µA typical setting steps
- ±7% allowable error range
- Communication speeds
- 1.7Mbps to 3.4Mbps I2C speed in Hs Mode
- 400kbps I2C speed in Fast Mode
- 1.0Mbps to 5.0Mbps SPI speed
- 1.176V to 1.224V reference voltage range inside the IC
- 0.25mV/°C/VREF minimum temperature sensitivity
- AD convert
- Data output rate setting range
- 20Hz to 2560Hz in High Power Mode (HPM)
- 10Hz to 1280Hz in Low Power Mode (LPM)
- 1MΩ minimum differential input impedance
- 2.16µVRMS to 52.11µVRMS maximum input conversion noise voltage range
- ±30ppm or ±150ppm of FSR integral non-linearity options
- Data output rate setting range
- -40°C to +85°C operating temperature range, +10°C to +30°C during NVM writing
- 3mm x 3mm x 0.6mm, PLP-24A package
Resources
Block Diagram
Application Circuit Example
Related Sensors
Mitsumi Digital Output Gauge Pressure Sensors
Digitally output a pressure value, which is corrected in the module by built-in sequencer (SPI/I2C).