DESCRIPTION

· The MLX90621 is a fully calibrated 16x4 pixels IR array in a standard 4-lead TO-39 package.

· It integrates two chips: the MLX90670 (IR array with signal conditioning electronics) and the 24AA02 (256x8 EEPROM).

· The device includes 64 IR pixels with a dedicated low noise chopper stabilized amplifier and fast ADC.

· A PTAT sensor is integrated to measure the ambient temperature of the chip.

· Both IR and PTAT sensor outputs are stored in internal RAM and accessible via I2C interface.

FEATURES

· Compact size and low cost 16x4 pixels IR array.

· Easy integration with industry-standard four-lead TO39 package.

· Factory calibrated infrared temperature measurement with parameters stored in EEPROM.

· Noise Equivalent Temperature Difference (NETD) of 0.20K RMS at 4Hz refresh rate.

· I2C compatible digital interface with programmable frame rate from 0.5Hz to 512Hz.

· Operates at a supply voltage of 2.6V with current consumption less than 9mA.

· Sleep mode consumption is less than 7µA.

· Measurement start trigger for synchronization with external control unit.

· Three FOV options: 40°x10°, 60°x16°, and 120°x25°.

· Operating ambient temperature range from -40°C to 85°C.

· Object temperature measurement range from -20°C to 300°C.

· Complies with RoHS regulations.

APPLICATIONS

· High precision non-contact temperature measurements.

· Temperature sensing for residential, commercial, and industrial building air conditioning.

· Use in microwave ovens and home appliances with temperature control.

· Thermal comfort sensor in automotive air conditioning control systems.

· Passenger classification and automotive blind angle detection.

· Industrial temperature control of moving parts.

· Identifying thermal leaks in homes and thermal scanners.

· Security/safety gates and intrusion/movement detection.

· Presence detection and person localization.