Datasheet MLX90641 (Melexis) - 4
| Manufacturer | Melexis |
| Description | Far infrared thermal sensor array (16x12 RES) |
| Pages / Page | 53 / 4 — MLX90641 16x12 IR array. Tables. Figures |
| File Format / Size | PDF / 2.2 Mb |
| Document Language | English |
MLX90641 16x12 IR array. Tables. Figures
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MLX90641 16x12 IR array
Datasheet 20. Disclaimer .. 53
Tables
Table 1 Ordering information .. 5 Table 2 Glosarry of terms .. 6 Table 3 Pin definition .. 7 Table 4 Absolute maximum ratings ... 7 Table 5 Electrical specification .. 8 Table 6 Priorities of subpage controls ..15 Table 7 Configuration parameters memory ..17 Table 8 EEPROM overview (words) ...18 Table 9 Calibration parameters memory (EEPROM - bits) ...19 Table 10 Calculation example input data ..27 Table 11 Calculation example calibration data ..29 Table 12 Noise performance ..45 Table 13 Available FOV options ..46 Table 14 Revision history ...52
Figures
Figure 1 Block diagram ... 1 Figure 2 MLX90641 Overview and pin description ... 7 Figure 3 Pixel in the whole FOV ... 9 Figure 4 I2C write command format (default SA=0x33 is used) ..10 Figure 5 I2C read command format (default SA=0x33 is used) ...10 Figure 6 Refresh rate timing ...11 Figure 7 Recommended measurement flow ...12 Figure 8 TV mode reading pattern ..13 Figure 9 MXL90641 memory map ...14 Figure 10 Status register (0x8000) bits meaning ...14 Figure 11 Control register 1 (0x800D) bits meaning ..15 Figure 12 I2C configuration register (0x800F) bits meaning ...16 Figure 13 RAM memory map (Interleaved mode - default) ..16 Figure 14 EEPROM to registers mapping ...17 Figure 15 EEPROM Hamming and data bit meaning ..20 Figure 16 To calculation flow ...30 Figure 17 Temperature absolute accuracy - MLX90641BCA ...41 Figure 18 Temperature absolute accuracy - MLX90641BCB ...42 Figure 19 Different accuracy zones depending on device type (BCA on the left and BCB on the right) ..42 Figure 20 MLX90641BCx noise vs refresh rate for different device types ...44 Figure 21 MLX90641BCA noise vs pixel and refresh rate at 1Hz and 2Hz ...44 Figure 22 MLX90641BCA noise vs pixel and refresh rate at 4Hz, 8Hz and 16Hz ..44 Figure 23 MLX90641BCB noise vs pixel and refresh rate at 1Hz and 2Hz..45 Figure 24 MLX90641BCB noise vs pixel and refresh rate at 4Hz, 8Hz and 16Hz ..45 REVISION 2 – FEBRUARY 6, 2019 [DOCSERVER NR] Page 4 of 53
MLX90641 16x12 IR array
Datasheet 20. Disclaimer .. 53
Tables
Table 1 Ordering information .. 5 Table 2 Glosarry of terms .. 6 Table 3 Pin definition .. 7 Table 4 Absolute maximum ratings ... 7 Table 5 Electrical specification .. 8 Table 6 Priorities of subpage controls ..15 Table 7 Configuration parameters memory ..17 Table 8 EEPROM overview (words) ...18 Table 9 Calibration parameters memory (EEPROM - bits) ...19 Table 10 Calculation example input data ..27 Table 11 Calculation example calibration data ..29 Table 12 Noise performance ..45 Table 13 Available FOV options ..46 Table 14 Revision history ...52
Figures
Figure 1 Block diagram ... 1 Figure 2 MLX90641 Overview and pin description ... 7 Figure 3 Pixel in the whole FOV ... 9 Figure 4 I2C write command format (default SA=0x33 is used) ..10 Figure 5 I2C read command format (default SA=0x33 is used) ...10 Figure 6 Refresh rate timing ...11 Figure 7 Recommended measurement flow ...12 Figure 8 TV mode reading pattern ..13 Figure 9 MXL90641 memory map ...14 Figure 10 Status register (0x8000) bits meaning ...14 Figure 11 Control register 1 (0x800D) bits meaning ..15 Figure 12 I2C configuration register (0x800F) bits meaning ...16 Figure 13 RAM memory map (Interleaved mode - default) ..16 Figure 14 EEPROM to registers mapping ...17 Figure 15 EEPROM Hamming and data bit meaning ..20 Figure 16 To calculation flow ...30 Figure 17 Temperature absolute accuracy - MLX90641BCA ...41 Figure 18 Temperature absolute accuracy - MLX90641BCB ...42 Figure 19 Different accuracy zones depending on device type (BCA on the left and BCB on the right) ..42 Figure 20 MLX90641BCx noise vs refresh rate for different device types ...44 Figure 21 MLX90641BCA noise vs pixel and refresh rate at 1Hz and 2Hz ...44 Figure 22 MLX90641BCA noise vs pixel and refresh rate at 4Hz, 8Hz and 16Hz ..44 Figure 23 MLX90641BCB noise vs pixel and refresh rate at 1Hz and 2Hz..45 Figure 24 MLX90641BCB noise vs pixel and refresh rate at 4Hz, 8Hz and 16Hz ..45 REVISION 2 – FEBRUARY 6, 2019 [DOCSERVER NR] Page 4 of 53
