EL6203 데이터 시트보기 (PDF) - Intersil

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EL6203

Laser Driver Oscillator

Intersil 

EL6203

Driver Characteristics

VDD = +5V, TA = +25°C, RL = 10Ω, RFREQ = 30.5kΩ (fOSC = 60MHz), RAMP = 2540Ω (IOUT = 50mAP-P

measured at 60MHz), VOUT = 2.2V (Continued)

PARAMETER

DESCRIPTION

CONDITIONS

MIN

MAX

(Note 1) TYP (Note 1) UNIT

IOSLOW

Offset Current @ 1.8V

RFREQ = 5210Ω, VOUT = 1.8V

-3.5

IOUTP-P

Output Current Tolerance

Defined as one standard deviation

2

Duty Cycle

Output Push Time/Cycle Time

RFREQ = 5210Ω

43

PSRRAMP

Amplitude Change of Output ΔI/I VDD from 4.5V to 5.5V

-54

TON

Auto Turn-on Time

Output voltage step from 0V to 2.2V

15

TOFF

Auto Turn-off Time

Output voltage step from 2.2V to 0V

0.5

IOUTN

Output Current Noise Density

RFREQ = 5210Ω, measured @ 10MHz

2.5

NOTE:

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

mA

%

%

dB

µs

µs

nA/√Hz

Pin Descriptions

PIN NAME

1

2

3

4

5

PIN TYPE

VDD

GND

IOUT

RAMP

RFREQ

PIN DESCRIPTION

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

Chip ground pin (0V)

Current output to laser diode

Set pin for output current amplitude

Set pin for oscillator frequency

IOUT Control

VOUT

Less than VCUTOFF

More than VCUTOFF

IOUT

OFF

Normal Operation

3

FN7218.3

August 13, 2007

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