F0522501Q Datasheet, PDF (20/23 Pages) List of Unclassifed Manufacturers – Laser Diode Driver

2.7 Gb/s Laser Diode Driver
(4) Bias Current Monitor and Mark Density Monitor Interface
F0522501Q
MRK
25k typ.
MRK_B
25k typ.
F0522501Q
OUT_BIAS
10 typ.
BM
3k typ._BMB
3k typ.
R2
R1
–
Op. Amp
R1
+
R2
Vref1
R4
R3
–
Op. Amp
R3
+
R4
*) Voltage of MRK and MRK_B is V_DD-1.8V typ.
@50% Mark Density.
Vref2
**) Value of R1 to R4 should be enough larger than 25Ω.
Recommended value is 100k to 200kΩ.