光宝 LTR-579ALS-01

1. description
the ltr-579als-01 is an integrated low voltage i2c ambient light sensor (als), and a proximity sensor (ps), with built-in emitter in a singleminiature chipled lead-free surface mount package.
the als provides a linear response over a wide dynamic range, which is well suited to applications under very low or bright ambient brightness.besides, with built-in proximity sensor, this sensor offers the feature to detect object at a user configurable distance.
the sensor has a programmable interrupt with hysteresis to response to events and that removes the need to poll the sensor for a reading whichimproves system efficiency. this cmos design and factory-set one time trimming capability ensure minimal sensor-to-sensor variations for ease of manufacturability to the end customers.
2.   features
· i2c interface (standard mode @100khz or fast mode @400khz)
· ambient light and proximity sensing in one ultra-small chipled package
· very low power consumption with sleep mode capability
· operating voltage ranges: 1.7v to 3.6v
· operating temperature ranges: -40 to +85 ºc
· built-in temperature compensation circuit
· programmable interrupt function for als and ps with upper and lower thresholds
· rohs and halogen free compliant
als features
ø   16 to 20 bits effective resolution
ø    wide dynamic range with linear response
ø    close to human eye spectral response
ø    automatic rejection for 50hz/60hz lighting flicker
ps features
ø   built-in led driver and detector
ø    high ambient light suppression
ø    8 , 9, 10, 11-bit(selectable) effective resolution
ø    cancellation of crosstalk
ø    programmable led drive settings
联系人：何小姐  联系方式：18813576091 qq：2658721671

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深圳市政鸿微电子有限公司
何建花
18194085326
布龙路339号鸿生源科技园

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