(PDF) NJW4702 Datasheet - 3ch Laser Diode Driver

Número de pieza	NJW4702
Descripción	3ch Laser Diode Driver
Fabricantes	New Japan Radio
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No Preview Available ! NJW4702 3ch Laser Diode Driver sGENERAL DESCRIPTION NJW4702 is a laser diode driver for the operation of a grounded laser diode for CD-R and CD-RW drivers. It includes three channels current amplifiers for three different optical power levels. Reference inputs are voltage input, and voltage control is possible without external resistors. An on-chip RF oscillator is provided to reduce laser mode noise during read mode. Oscillation frequency and oscillation amplitude are defined by two external resistors. www.DataSheet4U.com sFEATURES q Operating Voltage 4.5V to 5.5V q On-chip RF Oscillator 200MHz to 500MHz q Rise-time/Fall-time 1.0ns typ. q Maximum Output Current 250mA typ. q Bi-CMOS Technology q Package Outline PCSP16(3.5mm 0.65mm pitch) sPACKAGE OUTLINE NJW4702SE8 sBLOCK DIAGRAM IOUT 12 GND 11 RAMP 10 ENABLE 9 VCC2 13 GND 14 H:ON L:ON L:ON GND 15 H:ON 8 OSCEN OSC 7 VCC1 BIAS 6 GND VINR 16 5 OUTEN3 1 RFREQ 2 VIN2 3 VIN3 4 OUTEN2 Ver.1 -1- 1 page

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PDF NJW4702 Data sheet ( Hoja de datos )