F0522501Q Datasheet, PDF(4/23 Page) List of Unclassifed Manufacturers

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F0522501Q Datasheet, PDF (4/23 Pages) List of Unclassifed Manufacturers – Laser Diode Driver

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2.7 Gb/s Laser Diode Driver

â¦ Block Diagram

F0522501Q

DIN

VTTD

DINB

CKIN

VTTCK

CKINB

Input

Buffer

Vref

Generator

Input

Buffer

D/FF

MRK MRKB

RMRK RMRKB

Selector

OUT

Mod.

Circuit

â ROUTB OUTB

OUTBIAS

Control

Circuit

VMIN

RBMO

Bias RBM

circuit

BMb

RBMOB

â¦ Pin Descriptions

SELIN DISIN VBIN

DIN

DINB

VTTD

CKIN

CKINB

TTCK

OUT

: Positive data input

: Negative data input

: Termination for data input

: Positive clock input

: Negative clock input

: Termination for clock input

: Positive modulation output (LD should be connected to this pin.)

OUTB : Negative modulation output (ROUTB=15 â¦ typ.)

OUTBIAS : Bias output (RBM=10 â¦ typ., RBMO=RBMOB=3 kâ¦ typ.)

VMIN : Voltage input that sets the LD modulation peak current

VBIN : Voltage input that sets the LD bias current

DISIN : Voltage input that controls turning on/off the modulation current and the bias

current

SELIN : Voltage input that selects clocked or non-clocked operation

BM : Bias current monitor positive output

BMB

MRK

MRKB

: Bias current monitor negative output

: Mark density monitor positive output (RMRK=25 kâ¦ typ.)

: Mark density monitor negative output (RMRKB=25 kâ¦ typ.)

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