ATR0839-PFQW ATMEL [ATMEL Corporation], ATR0839-PFQW Datasheet
![no-image](/images/no-image-200.jpg)
ATR0839-PFQW
Related parts for ATR0839-PFQW
ATR0839-PFQW Summary of contents
Page 1
... Recordable Optical Drives 1. Description 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. The write channels (channels can be controlled by fast LVDS (Low Voltage Differential Signaling). ...
Page 2
... Figure 1-1. ATR0839 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 NENOSC RFA RFB RSA RSB IOUTA IOUTB SELA 4852BS–DVD–09/05 ...
Page 3
... 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 ATR0839 3 ...
Page 4
... Measured with multi-layer test board (JDEC standard) 5. Recommended Operating Range Parameters Supply voltage Input current Voltage between 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 ATR0839 4 Symbol dmax P ...
Page 5
... Ordering Information Extended Type Number ATR0839-PFQW 7. Package Information 4852BS–DVD–09/05 Package Pb-free QFN24 ( mm) ATR0839 Remarks Taped and reeled 5 ...
Page 6
Atmel Corporation 2325 Orchard Parkway San Jose, CA 95131, USA Tel: 1(408) 441-0311 Fax: 1(408) 487-2600 Regional Headquarters Europe Atmel Sarl Route des Arsenaux 41 Case Postale 80 CH-1705 Fribourg Switzerland Tel: (41) 26-426-5555 Fax: (41) 26-426-5500 Asia Room 1219 ...