M66515 Ver la hoja de datos (PDF) - Mitsumi

Número de pieza

componentes Descripción

Fabricante

M66515

LASER-DIODE DRIVER/CONTROLLER

Mitsumi 

MITSUBISHI 〈DIGITAL ASSP〉

M66515FP

LASER-DIODE DRIVER/CONTROLLER

SWITCHING CHARACTERISTICS (Ta = 25°C, VCC = 5V)

Symbol

fop

Parameter

Operating frequency

Test pin

Input

Output

Test condition

Min.

ILD (L) = 0mA

ILD (H) = 60mA (Note 1)

tRP1

Circuit response time 1 CH voltage LD current

ILD (L) = 55mA

ILD (H) = 65mA (Note 1)

IPD (L) = 0mA

IPD (H) = 2mA

tRP2

Circuit response time 2 PD current CH voltage RM = 1kΩ

(Note 2)

|∆IPD| = 0.2mA

RM = 1kΩ

(Note 2)

tRP3

Circuit response time 3 S/H voltage CH voltage

IPD = 0mA, 2mA, (Note 3)

RM = 1kΩ,Vr = 1.2V

tON

Circuit ON time

ENB voltage LD current ILD (H) = 60mA (Note 4)

tOFF

Circuit OFF time

ENB voltage LD current ILD (H) = 60mA (Note 4)

Limits

Typ.

40

Max.

7

2

Unit

Mbps

µs

15

µs

8

8

µs

5

µs

2

µs

NOTE1: TEST CIRCUIT

NOTE2: TEST CIRCUIT

Oscilloscope (Input)

18Ω

VCC

RO

P.G.

CH

PD

tr= tf= 6ns

50Ω 300Ω RS

LD

PD

ILD

LD

Oscilloscope

(Output)

Current probe

1RM S/H

RM 2RM DATA

GND ENB

Other pins are opened

VCC

Oscilloscope (Output)

RO

CH

3kΩ

LD

RS

PD

1.2V

RM

Vr

S/H

1RM DATA

2RM ENB

GND

Other pins are opened

18Ω

Oscilloscope (Input)

18Ω

IPD

Current probe

P.G.

50Ω tr=tf=6ns

TIMING CHARTS

CH voltage

50%

LD current

t RP1

10%

TIMING CHARTS

50%

t RP1

90%

VIH

VIL

ILD(H)

ILD(L)

PD current

50%

t RP2

50%

∆IPD

∆IPD

t RP2

IPD(H)

IPD0∗

IPD(L)

CH voltage

1.2V

1.2V

VOH

VOL

∗ : IPD gained at the moment CH output is inverted.

6

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