5pcs/1pc Non-contact Infrared Imaging Temperature Measurement Array Sensor Module Thermal Imager MLX90640ESF-BAA MLX90640ESF-BAB

The MLX90640 is a high-performance infrared thermal imaging sensor featuring a 32×24 pixel array, capable of providing accurate thermal image data across a wide field of view. Compared to traditional single-point infrared temperature sensors, the MLX90640 offers the advantages of high data throughput, moderate resolution, and a compact form factor, making it ideal for the development of portable thermal imaging devices. Additionally, the MLX90640 is more cost-effective and easier to integrate, making it suitable for portable device development and applications in resource-constrained environments.

Main Applications:

High-precision non-contact object temperature detection

Infrared thermal imagers, infrared thermometers

Smart homes, smart buildings, smart lighting

Industrial temperature control, security, mobile detection

Product Specifications:

The MLX90640 is a high-resolution infrared thermal imaging sensor designed for long-range, non-contact temperature measurement. Its main features are as follows:

1. Supply voltage: 3.3V/5V

2. Operating current: <23mA

3. Resolution: 32×24 pixels

4. Operating temperature: -40 to 85°C

5. Temperature Measurement Range: -40°C to 300°C, Accuracy ±2°C

6. Output frame rate up to 64 Hz. Supports real-time thermal imaging

7. Communicates with the host controller via an I2C interface to transmit infrared image data; default I2C address is 0x33

8. Field of View:

MLX90640-BAA: 110° x 75° (wide angle, suitable for close-range measurement)

MLX90640-BAB: 55° x 35° (narrow angle, suitable for long-range measurement)

9. Product Dimensions: 28 x 16 mm; mounting hole diameter: 2.0 mm

Pin Definitions:

VIN: Power Supply Positive

GND: Power Supply Negative

SDA: I2C Serial Interface Data Line

SCL: I2C Serial Interface Clock Line

Pixel-to-position mapping: