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ISL29028 - Low Power Ambient Light and Proximity Sensor

General Description

PIN NUMBER 0 1 2 3 4 5 6 7 8 PIN NAME T.PAD ADDR0 VDD GND REXT SCL SDA INT IRDR DESCRIPTION Thermal Pad (connect to GND or float) I2C address pin - pull high or low (do not float) Positive supply: 2.25V to 3.63V Ground External resistor (499k; 1%) connects this pin to ground I2C clock line

Key Features

  • Works Under All Light Sources Including Sunlight.
  • Dual ADCs Measure ALS/Prox Concurrently.
  • Intelligent Interrupt Scheme Simplifies μC Code Ambient Light Sensing.
  • Simple Output Code Directly Proportional to lux.
  • 50Hz/60Hz Flicker Noise and IR Rejection.
  • Light Sensor Close to Human Eye Response.
  • Selectable 125/2000 Lux Range Proximity Sensing.
  • Proximity Sensor with Broad IR Spectrum - Can Use 850nm and 950nm External IR LEDs.

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Datasheet Details

Part number ISL29028
Manufacturer Renesas
File Size 814.35 KB
Description Low Power Ambient Light and Proximity Sensor
Datasheet download datasheet ISL29028 Datasheet

Full PDF Text Transcription for ISL29028 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for ISL29028. For precise diagrams, and layout, please refer to the original PDF.

DATASHEET ISL29028 Low Power Ambient Light and Proximity Sensor with Intelligent Interrupt and Sleep Modes FN6780 Rev 2.00 November 4, 2011 The ISL29028 is an integrated ...

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Modes FN6780 Rev 2.00 November 4, 2011 The ISL29028 is an integrated ambient and infrared light-to-digital converter with a built-in IR LED driver and I2C Interface (SMBus Compatible). This device uses two independent ADCs for concurrently measuring ambient light and proximity in parallel. The flexible interrupt scheme is designed for minimal microcontroller utilization. For ambient light sensor (ALS) data conversions, an ADC converts photodiode current (with a light sensitivity range up to 2000 Lux) in 100ms per sample. The ADC rejects 50Hz/60Hz flicker noise caused by artificial light sources.

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