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MAX9483 Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX9483 Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 15 page General Description The MAX9483/MAX9484 high-performance, multimode, laser-diode drivers (LDDs) are designed for CD and DVD combination pickup heads. The drivers consist of three input channels, an RF oscillator, and two preci- sion current-amplifier outputs to drive the CD and DVD laser diodes. The MAX9483/MAX9484 support multiple CD and DVD read/write standards, such as CD-R/RW, DVD-R, DVD+R, DVD-RW, DVD+RW, and DVD-RAM by choosing the writing control signals and input currents on these input channels. The peak total output current is 400mA with a current gain of 100 at each channel. External resistors set the oscillation frequency and out- put swing. The MAX9484 features an extra resistor input allowing the oscillation frequencies of the two out- puts to be set separately. Additionally, the MAX9484 allows the writing control signals to be received in low- voltage differential signal (LVDS) mode or single-ended mode to provide reliable high-speed writing. The MAX9483 is offered in 16-pin QSOP and 4mm x 4mm 16-pin thin QFN packages. The MAX9484 is offered in a 4mm x 4mm 20-pin thin QFN package. Both devices are specified for 4.5V to 5.5V supply and 0°C to +70°C tem- perature range. Applications Laser Diode Driver for CD-RW and DVD Combos: CD-R/RW, DVD-R, DVD+R, DVD-RW, DVD+RW, DVD-RAM DVD Video Recorders High-Power and High-Speed Laser-Writable Device Drivers Features ♦ Dual Output Ports with Three Controlled-Current Channels ♦ Support Various Laser-Diode Driver Standards CD-R/RW, DVD-R, DVD+R, DVD-RW, DVD+RW, DVD-RAM, and DVD Video ♦ MAX9483 is Pin and Function Compatible with ATMEL T0806 ♦ Independent Frequency Setting for the Two Output Ports (MAX9484) ♦ Accepts Differential (LVDS) or Single-Ended Inputs for Writing Data (MAX9484) ♦ Enable Control ♦ High-Current Swing Up to 270mA for the Reading Current ♦ High 400mA Total Peak Writing Current ♦ Adjustable Modulation Frequency from 100MHz to 600MHz ♦ Fast Output-Current Pulse Rise and Fall Time 1.0ns (typ) ♦ 4.5V to 5.5V Single-Supply Voltage ♦ No External Reference Clock Required ♦ 0°C to +70°C Commercial Temperature Range Dual-Output, Multimode CD-RW/DVD Laser-Diode Drivers ________________________________________________________________ Maxim Integrated Products 1 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 IN1 VCC OUT1 GND RS1 RS2 OUT2 OUTSEL VCC TOP VIEW MAX9483 QSOP IN2 IN3 NE3 RF NE2 ENABLE ENOSC Pin Configurations Ordering Information 19-3265; Rev 0; 5/04 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. Pin Configurations continued at end of data sheet. PART TEMP RANGE PIN-PACKAGE MAX9483CEE 0°C to +70°C 16 QSOP MAX9483CTE* 0°C to +70°C 16 Thin QFN MAX9484CTP 0°C to +70°C 20 Thin QFN *Future product—contact factory for availability. |
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