MAX44000EDT+T

MAX44000EDT+T Datasheet

MAX44000

Part	Datasheet
MAX44000EDT+T	MAX44000EDT+T (pdf)

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EVALUATION KIT AVAILABLE AVAILABLE MAX44000 Ambient and Infrared Proximity Sensor The MAX44000 combines a wide-dynamic range ambient light sensor with an integrated infrared proximity sensor. The IC is a perfect solution for touch-screen portable devices. The IC can consume as low as 11µA time averaged in ambient light sensing plus proximity sensing, including external IR LED current. The on-chip ambient sensor has the ability to make wide dynamic range lux to 65,535 lux measurements. An on-chip IR proximity detector is matched with an integrated IR LED driver. All readings are available on an I2C communication bus. A programmable interrupt pin minimizes the need to poll the device for data, freeing up microcontroller resources, reducing system software overhead, and ultimately, reducing power consumption. The IC is designed to drive an external IR LED and can operate from a VDD of 1.7V to 3.6V. It consumes just 5µA operating current when only the ambient light sensor is enabled and 7µA when the proximity receiver and driver are enabled. Smartphones Accessories Industrial Sensors Presence Detection Functional Diagrams VLED S Tiny, 2mm x 2mm x 0.6mm UTDFN-Opto Package S VDD = 1.7V to 3.6V S Low-Power Operation 5µA in Ambient Mode 7µA in Ambient Plus Proximity Mode 70µA in Ambient Plus Proximity Mode, Including 100mA LED Current S Excellent Light Source Matching Programmable Green and IR Channel Gains S Integrated Single-Pulse IR LED Driver 10mA to 110mA Programmable Range Internal Ambient Cancellation S -40NC to +105NC Temperature Range Ordering Information PART MAX44000GDT+ TEMP RANGE -40NC to +105NC PIN-PACKAGE 6 OTDFN-EP* +Denotes a lead Pb -free/RoHS-compliant package. *EP = Exposed pad. Typical Application Circuit appears at end of data sheet. Simplified Block Diagram IR LED VIS + IR ALS IR ALS ALS PGA MAX44000 ALS PGA IR PRX AMBIENT CANCELLATION Pin Configurations appear at end of data sheet. Functional Diagrams continued at enGdNDof data sheet. UCSP is a trademark of Maxim Integrated Products, Inc. 14-BIT I2C 14-/8-BIT MICROCONTROLLER SDA SCL For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at MAX44000 Ambient and Infrared Proximity Sensor ABSOLUTE MAXIMUM RATINGS All Pins to +4.0V Output Short-Circuit Current Continuous Input Current into Any Terminal.................... Q20mA Continuous Power Dissipation TA = +70NC 6-Pin OTDFN derate 11.9mW/NC above +70NC ............. 953mW Operating Temperature Range......................... -40NC to +105NC Soldering Temperature Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ELECTRICAL CHARACTERISTICS VDD = 1.8V, TMIN TMAX = -40°C to +105°C, TA = +25°C, unless otherwise noted. Note 1 PARAMETER AMBIENT LIGHT RECEIVER CHARACTERISTICS CONDITIONS Maximum Ambient Light Sensitivity Fluorescent light Note 2 Ambient Light Saturation Level Gain Error Green LED 538nm response, TA = +25NC Note 2 Light Source Matching Fluorescent/incandescent light Infrared Transmittance 850nm vs. 538nm, TA = +25NC Ultraviolet Transmittance 363nm vs. 538nm, TA = +25NC Dark Current Level 100ms conversion time, 0 lux, TA = +25NC 14-bit resolution, has 50Hz/60Hz rejection ADC Conversion Time 12-bit resolution 10-bit resolution 8-bit resolution ADC Conversion Time Accuracy TA = -40NC to +105NC TA = +25NC INFRARED PROXIMITY RECEIVER CHARACTERISTICS Maximum Proximity Detection Sensitivity 850nm IR LED, 60µW/cm2 Sunlight Rejection Offset No reflector 0 to 100k lux MIN TYP 65,535 10 2 0 100 25 Sunlight Rejection Gain Error

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EVALUATION KIT AVAILABLE

AVAILABLE

MAX44000

Ambient and Infrared Proximity Sensor

The MAX44000 combines a wide-dynamic range ambient light sensor with an integrated infrared proximity sensor. The IC is a perfect solution for touch-screen portable devices.

The IC can consume as low as 11µA time averaged in ambient light sensing plus proximity sensing, including external IR LED current.

The on-chip ambient sensor has the ability to make wide dynamic range lux to 65,535 lux measurements. An on-chip IR proximity detector is matched with an integrated IR LED driver. All readings are available on an I2C communication bus. A programmable interrupt pin minimizes the need to poll the device for data, freeing up microcontroller resources, reducing system software overhead, and ultimately, reducing power consumption.

The IC is designed to drive an external IR LED and can operate from a VDD of 1.7V to 3.6V. It consumes just 5µA operating current when only the ambient light sensor is enabled and 7µA when the proximity receiver and driver are enabled.

Smartphones

Accessories

Industrial Sensors

Presence Detection

Functional Diagrams

VLED

S Tiny, 2mm x 2mm x 0.6mm UTDFN-Opto Package

S VDD = 1.7V to 3.6V

S Low-Power Operation 5µA in Ambient Mode 7µA in Ambient Plus Proximity Mode 70µA in Ambient Plus Proximity Mode, Including 100mA LED Current

S Excellent Light Source Matching Programmable Green and IR Channel Gains

S Integrated Single-Pulse IR LED Driver 10mA to 110mA Programmable Range Internal Ambient Cancellation

S -40NC to +105NC Temperature Range
Ordering Information

PART MAX44000GDT+

TEMP RANGE -40NC to +105NC

PIN-PACKAGE 6 OTDFN-EP*
+Denotes a lead Pb -free/RoHS-compliant package. *EP = Exposed pad.

Typical Application Circuit appears at end of data sheet.

Simplified Block Diagram

IR LED

VIS + IR ALS

IR ALS

ALS PGA

MAX44000 ALS PGA

IR PRX

AMBIENT

CANCELLATION

Pin Configurations appear at end of data sheet. Functional Diagrams continued at enGdNDof data sheet. UCSP is a trademark of Maxim Integrated Products, Inc.
14-BIT

I2C 14-/8-BIT

MICROCONTROLLER SDA SCL
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at

MAX44000

Ambient and Infrared Proximity Sensor

ABSOLUTE MAXIMUM RATINGS

All Pins to +4.0V Output Short-Circuit Current Continuous Input Current into Any Terminal.................... Q20mA

Continuous Power Dissipation TA = +70NC 6-Pin OTDFN derate 11.9mW/NC above +70NC ............. 953mW

Operating Temperature Range......................... -40NC to +105NC Soldering Temperature

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

ELECTRICAL CHARACTERISTICS

VDD = 1.8V, TMIN TMAX = -40°C to +105°C, TA = +25°C, unless otherwise noted. Note 1

PARAMETER

AMBIENT LIGHT RECEIVER CHARACTERISTICS

CONDITIONS

Maximum Ambient Light Sensitivity

Fluorescent light Note 2

Ambient Light Saturation Level

Gain Error

Green LED 538nm response, TA = +25NC Note 2

Light Source Matching

Fluorescent/incandescent light

Infrared Transmittance
850nm vs. 538nm, TA = +25NC

Ultraviolet Transmittance
363nm vs. 538nm, TA = +25NC

Dark Current Level
100ms conversion time, 0 lux, TA = +25NC
14-bit resolution, has 50Hz/60Hz rejection

ADC Conversion Time
12-bit resolution 10-bit resolution
8-bit resolution

ADC Conversion Time Accuracy

TA = -40NC to +105NC TA = +25NC

INFRARED PROXIMITY RECEIVER CHARACTERISTICS

Maximum Proximity Detection Sensitivity
850nm IR LED, 60µW/cm2

Sunlight Rejection Offset

No reflector 0 to 100k lux

MIN TYP
65,535
10 2 0 100 25

Sunlight Rejection Gain Error

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Datasheet ID: MAX44000EDT+T 647337