Features: ·Supports high-speed CD/DVD write operations (CD-R: ×52-speed, DVD-R: ×8-speed)·WPP1 (A + B) and WPP2 (C + D) outputs, which are optimal for DVD address bit detection·Band limiter function for write operations·Eight-section photodiode for DPP·16-pin LGA COB small packageDescriptionThe CX...
CXA2677GA: Features: ·Supports high-speed CD/DVD write operations (CD-R: ×52-speed, DVD-R: ×8-speed)·WPP1 (A + B) and WPP2 (C + D) outputs, which are optimal for DVD address bit detection·Band limiter function...
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The CXA2677GA is a photodetector IC (PDIC) that was developed as the photodetector element for optical pickups used in DVD ±R/RW drives. It features two additional pins: WPP1 (A + B) and WPP2 (C + D). This allows the generation of the WRF signal used in earlier (CXA2660N) CD-R/RW systems with the WPP1 + WPP2 signal and the detection of address bit signal unique to DVD ±R/RW with the WPP1 WPP2 signal. Also, it adopts a three-stage structure with a write mode and two read modes with high gain and low gain mode settings.
The band limiter function CXA2677GA used in write mode provides an average value signal with high precision.