Product Overview
The Melexis MLX75305 SensorEyeC is a CMOS integrated light-to-voltage sensor IC designed for automotive and non-automotive applications. It accurately converts light intensity into an output voltage, offering high linearity and low temperature dependency. This sensor is ideal for ambient light sensing, LCD backlight control, LED power monitoring, and automotive applications such as automatic instrument panel dimming and headlight control. Its robust design includes a photodiode, transimpedance amplifier, and an open-drain output transistor, all on a single chip.
Key Features and Benefits
- Converts light intensity to voltage
- High linearity
- Low temperature dependency
- Supply voltage range: 3V to 5.5V
- Open drain output voltage output
- Automotive Cavity SO8 package
- Designed for automotive applications
- Solder reflow 260C, MSL3
- Automotive qualified AEC-Q100 Grade 1
- Operating temperature: -40C to 125C
- RoHS compliant lead-free
Application Examples
- General: Ambient Light Sensor, LCD Backlight Sensor, LED Power Monitoring
- Automotive: Automatic light dimming of instrument panels and displays, Electrochrome Dimming, Headlights on/off control
- Printers/Copiers: Paper feed detection, Paper size and orientation detection, Toner cartridge presence detection
Product Attributes
- Brand: Melexis
- Series: SensorEyeC
- Package: Automotive Cavity SO8
- Qualification: Automotive qualified AEC-Q100 Grade 1
- Compliance: RoHS compliant
- Moisture Sensitivity Level: MSL3
- Soldering Profile: 260C
Technical Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage (Vdd) | 3 | 5.5 | V | ||
| Static Power Supply Current (Idd) | At Vdd=5.5V, unloaded output | 2 | mA | ||
| Dark Level (Vdark) | Ee=0, Tamb=-40..85C | 4 | 160 | mV | |
| Dark Level (Vdark) | Ee=0, Tamb=85..125C | 4 | 210 | mV | |
| Responsivity (Re) | Gain 10 (Option Code A), Vout range = 50mV..4.5V, 25C | -15% | 70 | +15% | mV/(W/cm) |
| Gain 1 (Option Code B), Vout range = 50mV..4.5V, 25C | -15% | 7 | +15% | mV/(W/cm) | |
| Non Linearity (NLAO RMS) | In the 10..90% Output Range | +/- | 2 | % | |
| Temperature Coefficient (TC) | Ee=46W/cm, Visual light | -0.16 | %/C | ||
| Ee=46W/cm, NIR (=850nm) | 0.06 | %/C | |||
| Spectral Bandwidth (0.3) | Tamb=25C | 500 | 1000 | nm | |
| Absolute Maximum Irradiance (Emax) | Vdd=5V, =850nm, Tamb=25C | 50*E Vout | W/cm | ||
| Area of photodiode (Spd) | 0.36 | mm | |||
| Maximum Output voltage high (VOH) | Ee=15*EVout...Emax | 4.9 | 4.95 | V | |
| Vdd rise time (tVdd_rise) | 10..90% of Vdd | 4 | s | ||
| Electrical setup-time (tsetup) | Vout within Vdd/2 +/- 5% | 70 | 140 | s | |
| Turn-on time (ton) | Vout > VOH_min | 6 | 50 | s | |
| Turn-off time (toff) | Vout > VOH_min | 6 | 50 | s | |
| Rise time (tr) | Vout > VOH_min | 10 | 22 | s | |
| Fall time (tf) | Vout > VOH_min | 10 | 22 | s | |
| Operating Temperature Range (TA) | Temperature Code K | -40 | 125 | C | |
| Storage Temperature Range (TStg) | -40 | 125 | C | ||
| ESD Sensitivity (VESD-HBM) | Human Body Model | 4 | kV | ||
| ESD Sensitivity (VESD-MM) | Machine Model | 200 | V |
Ordering Information
| Product | Temperature | Package | Option Code | Packing Form |
|---|---|---|---|---|
| MLX75305 | K (-40C to 125C) | XD (SOIC-8) | AAA-000 (Responsivity Gain 10) | RE (Reel) |
| MLX75305 | K (-40C to 125C) | XD (SOIC-8) | ABA-000 (Responsivity Gain 1) | RE (Reel) |
Ordering Example: MLX75305EXD-AAA-000-RE
Pin Definitions and Descriptions
| Pin # | Name | Description | Type |
|---|---|---|---|
| 1 | Vss | Ground connection | Ground |
| 2 | OUT | Analog output | Open drain output |
| 3 | Vdd | Power supply | Supply |
| 4 | N.C. | Not connected | Floating |
| 5..8 | N.C. | Not connected | Floating |
2410121930_Melexis-MLX75305KXD-AAA-000-RE_C2655112.pdf
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