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ASR8800 Datasheet - AMICC

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MFG CO.
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General Description
The ASR8800 is an integrated sensor of ambient light (ALS), Infrared light (IR), Solar_UV_Index (SUVI), and proximity sensing (PS) with an IR VCSEL LD (Laser Diode) embedded. It provides innovative algorithms which can be friendly in application. ASR8800 is a perfect solution for light and PS sensing.

Features
■ Ambient Light, Solar_UV_Index, IR and Proximity Sensor
■ Ambient Light (ALS) / IR Sensing
   - ALS closes to human-eye response (UV/IR rejection)
   - IR detecting spectrum in range of near Infrared
   - 12 bits resolution with gain and integration time setting
   - ASC model with 16 bits dynamic range
   - Dynamic rang up to 400K lux under high intensity mode
   - Programmable high/low threshold interrupt
■ Solar_UV_Index Sensing
   - CIE Erythemal Action Spectrum weighted
   - 11 indexes calculated by 8 bits dynamic output data
■ Proximity Sensing (PS)
   - IR VCSEL LD (Laser Diode) embedded
   - LD driving current 2.5/5/10/15 mA
   - Changeable PS pulse time from 0.05ms to 6.4ms
   - 8 bits effective counts
   - Programmable high/low threshold interrupt
   - PS Offset to cancel crosstalk without dynamic range loss
   - PS Auto Trim function for precise distance detection
■ User trimming is capable for overlay correction
■ I2C digital Interface up to 400KHz with Interrupt Pin
■ Wait-time range from 0 to 7 seconds to save power
■ 50/60Hz flicker noise rejection
■ VDD = 2.5V to 3.6V
■ Temperature compensation : -40°C to +85°C
■ Low Power consumption IALS~17uA, IPS+LD~40uA
■ Package option
   - 8-pin OCDFN (3.2mm x 4.2mm x 1.1mm)
   - All Pb-free (Lead-free) Products are RoHS2.0 Compliant

Applications
■ Notebook / Monitor
■ Smart phone (touch screen disable and backlight control)
■ LCD display (backlight control)
■ Table PC
■ PDA
■ Presence Detection
■ Industrial sensor

 

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