ATR0839
Overview
The ATR0839 is a laser diode driver designed to operate two different grounded laser diodes for DVD-RW/DVD+RW (650 nm) and CD-RW (780 nm). The device includes four channels for four different optical power levels.
- Current-controlled Output Current Source with 4 Input Channels LVDS Compatible Inputs at Channels 2, 3 and 4 with On-chip 100Ω Termination Separate Read-channel Enable Two Selectable Outputs for Grounded Laser Diodes Output Current per Channel up to 350 mA Total Output Current up to 600 mA On-chip RF Oscillator with LVDS Enable Control of 2 Different Swings and Frequencies by use of 4 External Resistors Oscillator Frequency Range from 200 MHz to 500 MHz Maximum Oscillator Current Amplitude 100 mApp Single 5V Power Supply Small Pb-free QFN24, 4 mm × 4 mm Package
