ATR0881

www.DataSheet4U.com Features Two High-side Outputs for Grounded Red Laser Diodes Total Output Current up to 700 mA at VLD = 3.8V One Low-side Output for Floating Blue Laser Diode Total Output Current up to 550 mA, External LD Supply Voltage Five Channels with Gain DACs Two Current Inputs for Read and Write Channels Channel 2 Current Contribution up to 350 mA LVDS-compatible Enable Inputs at Channels 2, 3, 4 and HFM Optional SyncDrive Technology for Increased Timing Accuracy Common Enable Input for All Channels Low-EMI High-Frequency Modulator (HFM) with Wiper – Frequency Range 200 MHz to 500 MHz – Swing up to 100 mApp – Erase Modulation Supported 3-output Laser Driver with 5 Channels and Serial Interface ATR0881 Preliminary Summary Serial Interface (SPI and TWI) with Write and Read Operation – – – – – – – – – LD Output Channel Gains and Input Current Source Overcurrent Protection HFM Frequency and Swing HFM Frequency Measurement LVDS/Single Ended Input Configurations SyncDrive Mode Temperature Monitor Blue LD Voltage Monitor Small, Pb-free, 24-pin, Paddle-up Package 4 mm × 4 mm Applications Blu-ray/DVD/CD Recordable Drives Blu-ray Combo Drives Benefits The Serial Interface Yields the Following Benefits: – – – – Low Pin Count and Small Package Flexible Channel Configurations Digital Gain Control High Accuracy of HFM Frequency NOTE: This is a summary document. The complete document is available. For more information, please contact your lo...