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ISL29015 pdf datasheet (Integr
消耗积分:5 |
格式:rar |
大小:333 |
2009-02-10
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The ISL29015 is an integrated ambient and infrared light to
digital converter with a built-in IR LED driver and I2C/SMBus
interface. This device provides not only ambient light sensing
to allow robust backlight/display brightness control but also
infrared sensing to allow proximity estimation.
For ambient light sensing, an internal 16-bit ADC has been
designed based on the charge-balancing A/D conversion
technique. The ADC conversion time is nominally 100ms
and is user adjustable from 25μs to 100ms depends on
oscillator frequency and ADC resolution. This ADC is
capable of rejecting 50Hz and 60Hz flicker noise caused by
artificial light sources. The lux-range-select feature allows
users to program the lux range for optimized counts/lux.
digital converter with a built-in IR LED driver and I2C/SMBus
interface. This device provides not only ambient light sensing
to allow robust backlight/display brightness control but also
infrared sensing to allow proximity estimation.
For ambient light sensing, an internal 16-bit ADC has been
designed based on the charge-balancing A/D conversion
technique. The ADC conversion time is nominally 100ms
and is user adjustable from 25μs to 100ms depends on
oscillator frequency and ADC resolution. This ADC is
capable of rejecting 50Hz and 60Hz flicker noise caused by
artificial light sources. The lux-range-select feature allows
users to program the lux range for optimized counts/lux.
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