atr0849 ATMEL Corporation, atr0849 Datasheet
atr0849
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atr0849 Summary of contents
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... Recordable Optical Drives 1. Description The ATR0849 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. The write channels (channels can be controlled by fast LVDS (Low Voltage Differential Signaling). ...
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... Figure 1-1. ATR0849 2 Block Diagram I4 E4 Channel 4 100 NE4 I3 E3 Channel 3 100 NE3 I2 E2 Channel 2 100 NE2 IR Channel 1 NER Read channel ENABLE RF oscillator ENOSC RFA RFB RSA RSB IOUTA IOUTB SELA 4851BS–DVD–06/05 ...
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... High: selects IOUTA, RSA, RFA Low: selects IOUTB, RSB, RFB +5V power supply Input current, bias voltage approximately GND Input current, bias voltage approximately GND Input current, bias voltage approximately GND Input current, bias voltage approximately GND Ground, negative power supply ATR0849 3 ...
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... Measured with multi-layer test board (JDEC standard) 5. Recommended Operating Range Parameters Supply voltage Input current Voltage bettween LVDS inputs (E2/NE2, E3/NE3, E4/NE4) External resistor to GND to set oscillator frequency External resistor to GND to set oscillator swing Operating temperature range ATR0849 4 Symbol dmax P ...
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... Ordering Information Extended Type Number ATR0849-PFQG 7. Package Information 4851BS–DVD–06/05 Package Pb-free QFN24 ( mm) ATR0849 Remarks Taped and reeled 5 ...
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... Atmel does not make any commitment to update the information contained herein. Atmel’s products are not intended, authorized, or warranted for use as components in applications intended to support or sustain life. © Atmel Corporation 2005. All rights reserved. Atmel marks or trademarks of Atmel Corporation or its subsidiaries. Other terms and product names may be trademarks of others. Atmel Operations Memory ...