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— IC芯片 | 连接器 | 传感器 | 被动器件 —
The ADPD174GGI is an integrated optical module from Analog Devices designed for photometric signal measurement. It features a custom package housing two green LEDs, one infrared LED, and a single photodiode within a 2.8 mm × 6.5 mm footprint. The internal ASIC includes a 14-bit ADC with a 20-bit burst accumulator and three independent 250 mA LED drivers. Synchronous detection provides ambient light rejection, while on-board accumulation supports up to 27 bits per data read. Configuration and data output are managed via a 1.8 V I2C interface.
The ADPD174GGI belongs to the ADPD family of integrated optical modules. Unlike discrete sensor interfaces, this component combines the photometric front end, LED drivers, and optical components into a single unit. It is specifically engineered for reflective sensing applications where compact form factors and high signal integrity are required.