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ADN2830ACP32-REEL Datasheet(PDF) 8 Page - Analog Devices |
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ADN2830ACP32-REEL Datasheet(HTML) 8 Page - Analog Devices |
8 / 12 page REV. A ADN2830 –8– NC NC GND1 NC VCC5 VCC1 PAVCAP PAVCAP VCC2 NC GND2 IBIAS GND2 GND2 IBIAS NC 18 16 24 32 NC = NO CONNECT MPD LD VCC VCC FAIL DEGRADE 100nF 10 F VCC GND PLACE 100nF CAP CLOSE TO PIN 8 ADN2830 R1 R2 VCC NOTES 1.FOR DIGITAL CONTROL, REPLACE RPSET WITH A DIGITAL POTENTIOMETER FROM ANALOG DEVICES: ADN2850 10-BIT RESOLUTION, 35 ppm/ C TC, EEPROM; AD5242 8-BIT RESOLUTION, 30 ppm/ C TC. 2.TOTAL CURRENT TO LASER = IBIAS + IBIAS R1/R2. 3.FOR BEST ACCURACY, SIZE R1 TO HAVE A MAXIMUM VOLTAGE DROP ACROSS IT WITHIN THE HEADROOM CONSTRAINTS. 4.FOR 250 mA EXTRA IBIAS (450 mA TOTAL) FROM AMP1, USE AD8591 AMPLIFIER. AMP1 IS THE OPERATIONAL AMPLIFIER SHOWN IN THIS FIGURE. 5.FOR 350 mA EXTRA IBIAS (550 mA TOTAL) FROM AMP1, USE ANALOG DEVICES’ SSM2211 AMPLIFIER. AMP1 IS THE OPERATIONAL AMPLIFIER SHOWN IN THIS FIGURE. Figure 4. The ADN2830 Configured with Current Multiplier NC NC GND1 NC VCC5 VCC1 PAVCAP PAVCAP VCC2 NC GND2 IBIAS GND2 GND2 IBIAS NC 18 16 24 32 NC = NO CONNECT VCC VCC FAIL DEGRADE 100nF 10 F VCC GND PLACE 100nF CAP CLOSE TO PIN 8 ADN2830 R1 VCC AD820 MPD VCC LD VCC R2 CURRENT GAIN = R1 R2 Figure 5. The ADN2830 Configured as Average Power Controller (Bias Current Sourced) |
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Similar Description - ADN2830ACP32-REEL |
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