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CXA2697ER
5-Channel 2-LD Driver for Optical Disc Drive
Description The CXA2697ER is a laser driver IC corresponded to DVD ×12 and capable of driving two high output lasers (CD/DVD) for writable optical discs. Features • CD write channel maximum drive current: 300mA (VCC = 3V, VCC_LD = 4.5V, VOP = 2.5V) • CD total maximum drive current: 370mA (VCC = 3.3V, VCC_LD = 5V, VOP = 2.5V) • DVD write channel maximum drive current: 270mA (VCC = 3V, VCC_LD = 4.5V, VOP = 3V) • DVD total maximum drive current: 360mA (VCC = 3.3V, VCC_LD = 5V, VOP = 3V) • Capable of generating five-value recording waveform through control of five channels • Rise/Fall times = 1ns • Read Channel: ×125 • Write Channel: ×470 • Read Channel has extensive low-noise design 1.