LTR-303ALS-01 Low Voltage I2C Digital Ambient Light Sensor

  • Minimum order:1
  • Place of Origin:China
  • Brand Name:LITEON

LTR-303ALS-01 Ambient Light Sensor Description
The LTR-303ALS-01 is a low voltage I2C digital light sensor [ALS] in a low cost miniature chipled lead-free surface mount package. This sensor converts light intensity to a digital output signal capable of direct I2C interface. It provides a linear response over a wide dynamic range from 0.01 lux to 64k lux and is well suited to applications under high ambient brightness.

LTR-303ALS-01 Ambient Light Sensor Features
• I2C interface (Fast Mode @ 400kbit/s)
• Ultra small 6 pin ChipLED package
• 2.0mm(L), 2.0mm(B), 0.7mm(H)
• Built-in temperature compensation circuit
• Low active power consumption with standby mode
• Supply voltage range from 2.4V to 3.6V capable of 1.7V logic voltage
• Operating temperature range from -30°C - 70°C
• RoHS and Halogen free compliant
• Close to human eye spectral response
• Immunity to IR / UV Light Source
• Automatically rejects 50 / 60 Hz lightings flicker
• Full dynamic range from 0.01 lux to 64k lux
• 16-bit effective resolution

LTR-303ALS-01 Ambient Light Sensor Applications
• Back-lighting Control in mobile/portable devices
• Touch Panel Control in mobile/portable devices

LTR-303ALS-01 Ambient Light Sensor Ratings and Specifications
Absolute Maximum Ratings at Ta = 25°C

Parameter Symbol Rating Unit
Supply Voltage VDD 3.8 V
Digital Voltage Range SCL, SDA, INT -0.5 to 3.8 V
Digital Output Current SCL, SDA, INT -1 to 20 mA
Storage Temperature Tstg -40 to 100 °C
Note:Exceeding these ratings could cause damage to the sensor. All voltages are with respect to ground. Currents are positive into, negative out of the specified terminal.

Recommended Operating Conditions
Description Symbol Min. Typ. Max. Unit
Supply Voltage VDD 2.4 3.6 V
Interface Bus Power Supply Voltage VIO 1.7 3.6 V
I2C Bus Input Pin High Voltage VIH SCL, VIH SDA 1.2 V
I2C Bus Input Pin Low Voltage VIL SCL, VIL SDA 0.6 V
Operating Temperature Tope -30 70 °C

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