SY3135AS21-J00

• Electrical Operation Performance:
•      --Power Supply Voltage: 1.7V - 2.0V
•      --Operating Current: 220μA
•      --Shutdown Current: Less Than 15μA
•      --Operating Temperature: -40°C to +85°C
• Ambient Light Sensing:
•      --Two Parallel 16-bit ADCs
•      --Programmable Integration Time (IT) for Both Normal and Fast Operation Modes
•      --Programmable Gain Settings Ranging From 1x to 256x
• 512 Bytes FIFO, with Programmable Interrupt Threshold Levels
• Selectable FIFO Sources, Allowing Selection of ADC Data to Be Written to the FIFO
• BT Substrate with Transparent Molding Compound
• Package Size: 2.0mm×1.0mm×0.35mm

The SY3135AS21-J00 is an ultra-small ambient light sensor (ALS) featuring ultra-high sensitivity. Its fast integration time of less than 1ms makes it ideal for applications where the sensor is placed under the OLED display, which eliminates the need for a separate display panel cutout in cellphones and smart watches.

The SY3135AS21-J00 incorporates photodiode (PD) arrays with various coatings to achieve visible and full-spectrum sensing. It integrates two independent Analog-Digital-Converters (ADCs) that operate in parallel to provide synchronous digital count outputs.

The device’s very short integration time enables synchronized readings during the display blanking period via the VSYNC input, minimizing the display interference during normal operation. The interrupt pin can be configured to trigger at programmable FIFO levels, eliminating the need to poll sensor status. It features an SMBus-compatible I²C interface, allowing for easy connection to a microcontroller.

The SY3135AS21-J00 is designed with a fast integration time, high signal-to-noise ratio (SNR) performance, I²C interface, and a wide operating temperature range, making it ideal for applications where placing the light sensor under an OLED display is required.