ATR0881 Datasheet, PDF (1/6 Pages) ATMEL Corporation – 3-output Laser Driver with 5 Channels and Serial Interface

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
• 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
3-output Laser
Driver with 5
Channels and
Serial Interface
ATR0881
Preliminary
Summary
NOTE: This is a summary document.
The complete document is available.
For more information, please contact
your local Atmel sales office.
9105BS–DVD–03/08