MLX90809 Relative Pressure Sensor
The MLX90809 is a highly accurate, fully integrated relative pressure sensor designed for automotive and industrial applications. It features a robust, easy-to-seal package and offers a choice of ratiometric analog or digital SENT output. The sensor is factory calibrated and programmable, providing flexibility for customized applications. Its advanced architecture, including a 16-bit microcontroller and MEMS technology, ensures best-in-class automotive EMC performance and resistance to common automotive media. The device operates within a wide automotive temperature range and includes comprehensive diagnostic features.
Product Attributes
- Brand: Melexis
- Certifications: Automotive qualified
- Material: MEMS, CMOS technology
- Package: Robust, easy to seal
Technical Specifications
| Part Number | Temperature Range | Pressure Range | Output Type | Output Voltage (Analog) |
|---|---|---|---|---|
| MLX90809LXG-EAD-000 | -40C to 150C | 0.05 to -1.05 bar | Analog | 0.5 to 4.5 V |
| MLX90809LXG-EAD-003 | -40C to 150C | 0 to 1 bar | Analog | 0.5 to 4.5 V |
| MLX90809LXG-EAD-007 | -40C to 150C | 0 to -1 bar | Analog | 0.5 to 4.5 V |
| MLX90809LXG-EAD-100 | -40C to 150C | 0.05 to -1.2 bar | SENT | 193 to 3896 LSB |
| Parameter | Symbol | Min | Typ | Max | Units | Remarks |
|---|---|---|---|---|---|---|
| Nominal supply voltage | Vdd | 4.5 | 5 | 5.5 | V | |
| Nominal supply current | Idd | 7 | 8 | mA | No output load connected | |
| Analog Output Load (Resistive) | Rload | 4.7 | kOhm | Pull up or Pull down | ||
| Analog Output Load (Capacitive) | Cload | 2.2 | 470 | nF | ||
| SENT Output Load (Capacitive) | Cload | 2.2 | nF | |||
| Diagnostic low | Diag low | 3 | %Vdd | Pull-up 4.7k, Pull-down 4.7k | ||
| Diagnostic high | Diag high | 96 | %Vdd | Pull-up 4.7k, Pull-down 8k | ||
| Clamp low | Clamp low | 0 | 25 | %Vdd | Programmable range with 8 bit resolution for the low clamping level, 9 for the high (for the default programmed levels see section 8), +/-10mV accuracy on the programmed clamping level | |
| Clamp high | Clamp high | 50 | 100 | %Vdd | ||
| Analog saturation output level (high) | Vsat high | 97 | 100 | %Vdd | Pull-up 4.7k, Pull-down 4.7k, Pull-down 10k | |
| Analog saturation output level (low) | Vsat low | 0 | 3 | %Vdd | Pull-up 4.7k, Pull-down 4.7k | |
| Power up time | 5.5 | msec | Time from reaching minimum allowed supply voltage of 4.5V till having the output within specification |
| Parameter | Remarks | Value | Units |
|---|---|---|---|
| Supply Voltage (overvoltage) | No time limit or temperature limit for these over voltage conditions. | 18 | V |
| Reverse Voltage Protection | At -14V at 150C for maximum 1 hour. At Room Temperature that condition can apply for maximum 24 hours. | -14 | V |
| Positive output voltage | No time limit or temperature limit for these over voltage conditions. | 18 | V |
| Reverse output voltage | No time limit or temperature limit for these over voltage conditions. | -0.5 | V |
| Operating Temperature Range | -40 to 150 | C | |
| Storage Temperature Range | -40 to 150 | C | |
| Burst pressure (Room Temperature) | (AEC Q100 002) | 5 | Bar |
2411220611_Melexis-MLX90809LXG-EAD-003-SP_C6990483.pdf
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