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ADN2847 Arkusz danych(PDF) 5 Page - Analog Devices |
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ADN2847 Arkusz danych(HTML) 5 Page - Analog Devices |
5 / 12 page REV. 0 ADN2847 –5– PIN CONFIGURATION 32-Lead LFCSP PIN 1 INDICATOR ADN2847 TOP VIEW LBWSET 1 ASET 2 ERSET 3 PSET 4 IMPD 5 IMPDMON 6 GND4 7 VCC4 8 24 IBMON 23 IMMON 22 GND3 21 VCC3 20 ALS 19 FAIL 18 DEGRADE 17 CLKSEL 48-Lead LFCSP PIN 1 INDICATOR ADN2847 TOP VIEW TP1 1 LBWSET 2 ASET 3 ERSET 4 PSET 5 TP2 6 IMPD 7 IMPDMON 8 IMPDMON2 9 IMPD2 10 GND4 11 VCC4 12 36 GND2 35 IDTONE 34 GND2 33 IBMON 32 IMMON 31 GND3 30 VCC3 29 ALS 28 FAIL 27 DEGRADE 26 CLKSEL 25 TP6 PIN FUNCTION DESCRIPTIONS Pin Number 48-Lead 32-Lead Mnemonic Function 1 TP1 Test Pin. In normal operation, TP1 = GND. 21 LBWSET Select Low Loop Bandwidth 32 ASET Alarm Current Threshold Setting Pin 43 ERSET Extinction Ratio Set Pin 54 PSET Average Optical Power Set Pin 6 TP2 Test Pin. In normal operation, TP2 = GND. 75 IMPD Monitor Photodiode Input 86 IMPDMON Mirrored Current from Monitor Photodiode 9 IMPDMON2 Mirrored Current from Monitor Photodiode2 (for Use with Two MPDs) 10 IMPD2 Monitor Photodiode Input 2 (for Use with Two MPDs) 11 7 GND4 Supply Ground 12 8 VCC4 Supply Voltage 13 9 ERCAP Extinction Ratio Loop Capacitor 14 10 PAVCAP Average Power Loop Capacitor 15 TP3 Test Pin. In normal operation, TP3 = GND. 16 11 VCC1 Supply Voltage 17 GND1 Supply Ground 18 12 DATAN Data, Negative Differential Terminal 19 13 DATAP Data, Positive Differential Terminal 20 14 GND1 Supply Ground 21 15 CLKP Data Clock Positive Differential Terminal, Used if CLKSEL = VCC 22 16 CLKN Data Clock Negative Differential Terminal, Used if CLKSEL = VCC 23 TP4 Test Pin. In normal operation, TP4 = GND. 24 TP5 Test Pin. In normal operation, TP5 = GND. 25 TP6 Test Pin. In normal operation, TP6 = GND. 26 17 CLKSEL Clock Select (Active = VCC), Used if Data Is Clocked into Chip 27 18 DEGRADE DEGRADE Alarm Output 28 19 FAIL FAIL Alarm Output 29 20 ALS Automatic Laser Shutdown 30 21 VCC3 Supply Voltage 31 22 GND3 Supply Ground 32 23 IMMON Modulation Current Mirror Output 33 24 IBMON Bias Current Mirror Output |
Podobny numer części - ADN2847 |
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Podobny opis - ADN2847 |
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