atr0881 ATMEL Corporation, atr0881 Datasheet

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atr0881

Manufacturer Part Number
atr0881
Description
Atr0881 3-output Laser Driver With 5 Channels And Serial Interface
Manufacturer
ATMEL Corporation
Datasheet
Features
Applications
Benefits
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 Current-controlled Input Channels with Gain DACs
Two Current-controlled 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
Serial Interface with Write and Read Operation Controls
Small, Pb-free, 24-pin, Paddle-up Package 4 mm
CD/DVD/HD-DVD Recordable Drives
CD/DVD/Blu-ray Recordable Drives
The Serial Interface Yields the Following Benefits:
– Frequency Range 200 MHz to 500 MHz
– Swing up to 100 mApp
– Erase Modulation Supported
– LD Output
– Channel Gains and Input Current Source
– Overcurrent Protection
– HFM Frequency and Swing
– HFM Frequency Measurement
– LVDS/Single Ended Input Configurations
– SyncMode
– Temperature Monitor
– Blue LD Voltage Monitor
– Low Pin Count and Small Package
– Flexible Channel Configurations Possible
– Digital APC
– High Accuracy of HFM Frequency
4 mm
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.
9105AS–DVD–06/07

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atr0881 Summary of contents

Page 1

... Digital APC – High Accuracy of HFM Frequency 4 mm 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. 9105AS–DVD–06/07 ...

Page 2

... Description The ATR0881 is a laser diode driver designed to operate two grounded red laser diodes for CD and DVD and one floating blue laser diode for HD-DVD/Blu-ray. The floating blue laser diode needs an extra supply voltage V urable for a wide range of applications. Five channels can be assigned to one of the two reference current inputs IR and IW ...

Page 3

... Laser diode anode connection GND for output IOUTC Laser diode cathode connection Reference current input for HFM and overcurrent detector Power supply Serial enable Serial data input and output Serial clock Paddle – at least one corner has to be connected to GND ATR0881 [Preliminary] 3 ...

Page 4

... Measured with multi-layer test board (JDEC standard) 5. Operating Range Parameters Supply voltage Input current External reference resistor to GND Operating voltage at IOUTC output Operating temperature range Note: 1. Adjust supply voltage V diode to avoid degradation of the laser diode. ATR0881 [Preliminary] 4 Pin Symbol 10 11, 12, ...

Page 5

... Package: QFN_PUP_4 x 4_24L Exposed pad 2.2 x 2.2 Dimensions in mm Not indicated tolerances ±0.05 Drawing-No.: 6.543-5106.01-4 Issue: 1; 18.03.04 9105AS–DVD–06/07 Package Remarks QFN24_PUP Taped and reeled Top 2.2 0.2 ±0.15 0.75 4 ±0.1 Z 10:1 0.35 ATR0881 [Preliminary] Bottom 0.5 nom. Z 2.5 technical drawings according to DIN specifications 0.23 ±0.07 5 ...

Page 6

... Atmel products are not suitable for, and shall not be used in, automotive applications. Atmel’s products are not intended, authorized, or warranted for use as components in applications intended to support or sustain life. © 2007 Atmel Corporation. All rights reserved. Atmel Atmel Corporation or its subsidiaries. Other terms and product names may be trademarks of others. International Atmel Asia ...

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