Features: ` Automatic Power Control (APC) ` Automatic Extinction Ratio Control (AERC) Across Temperature and Laser Aging` Works in AC-Coupled Laser Systems` Configurable Latched Automatic Shutdown with Tx-Fault and Tx-Disable` Programmable Fast Alarm Conditions` I2C-Compatible Serial Interface All...
DS1861: Features: ` Automatic Power Control (APC) ` Automatic Extinction Ratio Control (AERC) Across Temperature and Laser Aging` Works in AC-Coupled Laser Systems` Configurable Latched Automatic Shutdown w...
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SpecificationsTotal Max Power: 2,000 W Total Max Current: 164.2 A Input Voltage: 90 V to 264...
The DS1861 is a laser-driver control IC designed to reduce the production cost of fiber optics circuits by eliminating multiple temperature tests. It works with nearly all laser-driver ICs to provide automatic power control (APC) and automatic extinction ratio control (AERC), which improves the performance of the system over temperature and aging. It also has built-in monitoring capability to provide early fault detection, which can be configured to latch the IC into a shutdown condition.Settings programmed into the DS1861 are stored in password-protected EEPROM memory, which writeprotects calibration data. Programming is accomplished through an I2C-compatible interface, which can also be used to read diagnostic information.