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Specifications
Operating Temperature:
-40℃~+85℃
Interface:
I2C
Measurement Type:
Light Intensity
Voltage - Supply:
2.4V~3.6V
Mfr. Part #:
LTR-507ALS-WA
Package:
SMD
Key Attributes
Model Number:
LTR-507ALS-WA
Product Description
Product Overview
The LTR-507ALS-WA is an integrated I2C digital light sensor (ALS) and proximity sensor (PS) with a built-in LED driver, presented in a miniature chipled lead-free surface mount package. This device offers a linear response over a wide dynamic range, making it suitable for applications with high ambient brightness. It features a configurable proximity detection distance of up to 50cm and supports an interrupt function to enhance system efficiency by eliminating the need for constant polling. The CMOS design and factory-set trimming minimize device-to-device variations, simplifying manufacturing.
Product Attributes
- Brand: LITE-ON
- Origin: Taiwan, R.O.C.
- Certifications: RoHS and Halogen free compliant
Technical Specifications
| Parameter | Min | Typ | Max | Unit | Condition |
| General | |||||
| Active Supply Current | 220 | uA | Active Mode, Ta=25C | ||
| Standby Current | 5 | uA | Standby / Sleep Mode | ||
| Initial Startup Time | 100 | ms | Note 1 | ||
| Wakeup Time from Standby | 10 | ms | Note 1 | ||
| Supply Voltage | 2.4 | 3.6 | V | ||
| LED Supply Voltage | 2.5 | 4.35 | V | ||
| Operating Temperature | -40 | 85 | C | ||
| Ambient Sensor | |||||
| Full Scale ADC Count | 0 | 65535 | count | ||
| Dark ADC Count | 0 | 3 | count | E = 0 lux | |
| CH1 Count | 90 | 180 | count | E=200 lux, Dynamic range 1 | |
| CH2 Count | 25 | 55 | count | E=200 lux, Dynamic range 1 | |
| Gain 2x | -5% | 5% | Dynamic range 1 | ||
| Gain 100x | -5% | 5% | Dynamic range 1 | ||
| Gain 200x | -5% | 5% | Dynamic range 1 | ||
| Proximity Sensor | |||||
| Full Scale ADC Count | 2047 | count | |||
| Detection Distance | 50 | cm | 18% Gray card, IR LED=LTE-C249, 127 IR pulses | ||
| Ambient Light Suppression | 50k | lux | Direct sunlight | ||
| LED Pulse Count | 1 | 255 | pulses | ||
| LED Pulse Frequency | 30k | 100k | Hz | Increment of 10k Hz | |
| LED Duty Cycle | 50% | % | Fixed at 50% | ||
| LED Peak Current | 130 | mA | Max for setting 111 | ||
| I2C Interface | |||||
| SCL Clock Frequency | 100 | 400 | 3400 | KHz | Standard, Fast, High Speed Modes |
| Bus Free Time | 1.3 | us | Between STOP and START | ||
| Hold Time (repeated START) | 0.6 | us | |||
| LOW Period of SCL | 1.3 | us | |||
| HIGH Period of SCL | 0.6 | us | |||
| Set-up Time (repeated START) | 0.6 | us | |||
| Set-up Time (STOP) | 0.6 | us | |||
| Rise Time (SDA/SCL) | 30 | 300 | ns | ||
| Fall Time (SDA/SCL) | 30 | 300 | ns | ||
| Data Hold Time | 0 | 0.9 | us | ||
| Data Set-up Time | 100 | ns | |||
| Pulse Width of Spikes | 50 | ns | Suppressed by input filter | ||
2410121525_LITEON-LTR-507ALS-WA_C710246.pdf
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