ISL29028 Datasheet PDF (Low Power Ambient Light and Proximity Sensor)

ISL29028 - Low Power Ambient Light and Proximity Sensor

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

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.

Datasheet Details

Part number	ISL29028
Manufacturer	Renesas
File Size	814.35 KB
Description	Low Power Ambient Light and Proximity Sensor
Datasheet	ISL29028 Datasheet
Additional preview pages of the ISL29028 datasheet.

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Full PDF Text Transcription

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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 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.

Published: May 27, 2020 |