AS7220 datasheet(3/33 Pages) AMSOSRAM

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[v1-00] 2017-Feb-16

AS7220 − General Description

Key Benefits & Features

The benefits and features of this device are listed below:

Figure 1:

Added Value of Using AS7220

Applications

Autonomous, solid-state lighting manager for precision fixed

CCT and daylight harvesting:

• Configurable CCT and/or lumen maintenance

applications

• Luminaires intended to meet California Title 24

daylighting requirements

Benefits

Features

• Accurate maintenance of CCT and daylight

responsive lighting

• Calibrated XYZ tri-stimulus color sensing for direct

translation to CIE 1931/1976 standard observer color

maps

• Lifetime-calibrated sensing with minimal drift

over time or temperature

• Filter set realized by silicon interference filters

• Optional user/manufacturer configurable CCT

maintenance and/or Lumen maintenance

• If enabled, desired CCT and/or Lumen settings are

read by the Cognitive Light Engine and maintained

by using spectrally tuned light

• Compatible with standard dimmer controls and

occupancy sensors

• Directly interfaces to 0-10V dimmer controls and

standard occupancy sensors

• Directly interfaces to LED string circuity via

PWM outputs

• Built-in PWM generators to dim and control

warm/cool luminaire LED strings

• 12-bit resolution for precise control down to 1%

• Directly interfaces to ballast via 0-10V

• 0-10V analog output for control of conventional

dimming ballasts in a current steering design

• Small package, wide operating range with

critical optics built-in

• 20-pin LGA package 4.5mm x 4.7mm x 2.5mm with

integrated aperture

• -40 °C to 85°C

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