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DS1863E+TR Datasheet(PDF) 6 Page - Maxim Integrated Products |
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DS1863E+TR Datasheet(HTML) 6 Page - Maxim Integrated Products |
6 / 62 page Burst-Mode PON Controller With Integrated Monitoring 6 _____________________________________________________________________ Pin Description PIN NAME DESCRIPTION 1 BEN Burst Enable Input. Triggers the sampling of the APC and Quick-trip monitors. 2 TX-D Transmit Disable Input. Disables BIAS and MOD outputs. 3 N.C. No Connection 4 TX-F Transmit Fault Output. Open-drain. 5 FETG Output to FET Gate. Signals an external N or P Channel MOSFET to enable/disable the laser’s current. 6 SDA I2C Serial Data I/O 7 SCL I2C Serial Clock Input 8 GND Ground 9 MON1 10 MON2 11 MON3 External Analog Inputs. The voltage at these pins is digitized by the internal analog-to-digital converter and can be read through the I2C interface. Alarm and warning values can be assigned to interrupt the processor based on the ADC result. 12 GND Ground 13 BIAS Bias Current Output. This current DAC generates the bias current reference for the MAX3643. 14 MOD Modulation Output Voltage. This 8-bit voltage output has 8 full-scale ranges from 1.25V to 0.3125V. This pin is connected to the MAX3643’s VMSET input to control the modulation current. 15 BMD Monitor Diode Input (Feedback Voltage, Transmit Power Monitor) 16 VCC Power Supply Input |
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