107
1
2
3
4
1
2
3
4
C
D
F
A
B
E
XV-DV303
No.
Pin Name
I/O
Pin Function
121 REFGND
Analog ground
DAC analog ground supply
122 REFDAC
Analog output
DAC reference voltage
123 FACT
Analog output
DAC focus actuator
124 TACT
Digital output
DAC tracking actuator
125 GNDDAC
Analog ground
DAC analog ground
126 NC
−
−
127 VCCA33
Analog supply
DAC analog power supply
128 NC
−
−
129 GNDPLL
Analog ground
PM analog ground
130 PLLOFF
Analog input
PM reference disable PLL
131 FREOUT
Analog output
PM reference frequency output
132 FREIN
Analog input
PM reference frequency input
133 VCCPLL
Analog supply
PM analog power supply
134 SREG1
Analog output
External bipolar base
135 VCCR33
Analog supply
Analog power supply for regulator
136 SREG2
Analog output
External bipolar base
137 LD1
Analog output
Laser control laser diode 1
138 LD2
Analog output
Laser control laser diode 2
139 VCCA33
Analog supply
Analog power supply for input
140 LCREF
Analog output
Laser control DAC reference
141 LMD1
Analog input
Laser control monitor diode 1
142 LMD2
Analog input
Laser control monitor diode 2
143 GNDL
Analog ground
Ground for laser control detection
144 VBGFILT
Analog input
Bandgap filtering input