3

FN7218.3

August 13, 2007

Offset Current @ 1.8V

-3.5

mA

Output Current Tolerance

Defined as one standard deviation

2

%

Duty Cycle

Output Push Time/Cycle Time

43

%

Amplitude Change of Output

ΔI/I

-54

dB

Auto Turn-on Time

Output voltage step from 0V to 2.2V

15

µs

Auto Turn-off Time

Output voltage step from 2.2V to 0V

0.5

µs

Output Current Noise Density

2.5

nA/

√Hz

NOTE:

1. Parts are 100% tested at +25°C. Over-temperature limits established by characterization and are not production tested.

Driver Characteristics

PARAMETER

DESCRIPTION

CONDITIONS

MIN

(Note 1)

TYP

MAX

(Note 1)

UNIT

Pin Descriptions

PIN NAME

PIN TYPE

PIN DESCRIPTION

1

VDD

Positive power for laser driver (4.5V to 5.5V)

2

GND

Chip ground pin (0V)

3

IOUT

Current output to laser diode

4

RAMP

Set pin for output current amplitude

5

RFREQ

Set pin for oscillator frequency

OFF

Normal Operation

EL6203