ADUX1020 数据手册 ( 数据表 ) - Analog Devices
零件编号
ADUX1020
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Analog Devices
GENERAL DESCRIPTION
The ADUX1020 is a highly efficient photometric sensor with an integrated 14-bit analog-to-digital converter (ADC) and a 20-bit burst accumulator that works in concert with a flexible light emitting diode (LED) driver. It is designed to modulate a LED and measure the corresponding optical return signal. The digital engine includes circuitry and control for data aggregation and proximity detection.
FEATURES
Multifunction photometric sensor and signal conditioning
Fully integrated AFE, ADC, LED driver, and timing core
Usable for multiple optical measurement applications,
including gesture control and proximity sensing
Enables an ambient light rejection capability using both
optical and analog filtering
On-chip programmable flexible current sink for external LED
High sensitivity and signal-to-noise ratio (SNR)
High resolution position measurement
Gesture recognition with 0.5 cm to 15 cm range
Proximity sensing to 20 cm
400 kHz I2C interface
Gesture/proximity works under infrared (IR) transparent
glass or other materials
Simple integration with optics; no need for precise
alignment and no lens is required
Low power operation
1.8 V analog/digital core
8-lead, 2 mm × 3 mm, 0.65 mm height LFCSP
APPLICATIONS
Gesture for user interface (UI) control in portable devices
Industrial/automation monitoring
Presence detection
Angle sensing
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