美国国家半导体公司推出一款专为光学存取单元(OPU)而设计的全新激光二极管驱动器。这款型号为LMH6533的芯片具有开关速度极快、输出电流噪音极低以及低功耗等优点。这款驱动器采用了LVDS接口,因此控制芯片可以将信号高速传送至光学存取单元。LVDS接口的另一优点是确保光学储存装置制造商可以将写入策略的数字电路装设在控制器芯片组之内,而不用将之集成到激光二极管驱动器之内,有助降低系统的整体 National Semiconductor Introduces New Laser Diode Driver Designed for Optical Access Units (OPUs). This model LMH6533 chip with switching speed, low output current noise and low power consumption and other advantages. The driver features an LVDS interface so that the control chip can send signals at high speed to the optical access unit. Another advantage of the LVDS interface is to ensure that optical storage device manufacturers can write write strategy digital circuitry within the controller chipset without integrating them into the laser diode driver, helping to reduce the overall system