MAX3286CSLASHD datasheet(3/28 Pages) MAXIM

3 / 28 page

3.0V to 5.5V, 1.25Gbps/2.5Gbps

LAN Laser Drivers

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ELECTRICAL CHARACTERISTICS (continued)

(VCC = +3.0V to +5.5V, TA = 0°C to +70°C, unless otherwise noted. Typical values are at VCC = +3.3V, RTC = open and TA = +25°C;

see Figure 1a.)

ISHDNDRV = 15mA, FAULT not asserted

ISHDNDRV = 10µA, FAULT asserted

MAX3296 series

MAX3286 series

ISHDNDRV = 1mA, FAULT not asserted

MAX3286 series

MAX3296 series

Tempco = max, RMOD = open; Figure 5

CONDITIONS

620

800

980

Differential Input Resistance

4000

Modulation-Current

Temperature Coefficient

0VCC - 1.2

VCC - 0.4

Voltage at SHDNDRV

200

Shutdown Modulation Current

RMS

Random Jitter (Note 3)

0VCC - 2.4

1.25

Data Rate

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

Minimum Laser Modulation

Current

MAX3286 series

20% to 80%

Modulation-Current Edge

Speed

MAX3296 series

RMOD = 13kΩ

(IMOD = 5mA)

MAX3286 series

Deterministic Jitter (Note 2)

RMOD = 4.1kΩ

(IMOD = 15mA)

RMOD = 1.9kΩ

(IMOD = 30mA)

RMOD = 13kΩ

(IMOD = 5mA)

MAX3296 series

RMOD = 4.1kΩ

(IMOD = 15mA)

822

RMOD = 1.9kΩ

(IMOD = 30mA)

720

CPORDLY = 0.01µF,

MAX3286/MAX3296 only

5.5

(Note 4)

Glitch Rejection at MD

tFAULT

Fault Time

SHUTDOWN

LASER MODULATOR

Tempco = min, RTC = open; Figure 5

RMOD = 13kΩ (IMOD = 5mA)

-15

+15

Single ended

Output Resistance

LASER SAFETY CIRCUIT

PORDLY = open

0.3

1.25

tPORDLY

POR Delay

VCC - 0.3

Input Bias Voltage

RL ≤ 25Ω

Maximum Laser Modulation

Current

RMOD = 1.9kΩ (IMOD = 30mA)

-10

+10

Tolerance of Modulation Current

µA

ppm/°C

Ω

µs

150

130

220

2.5

Gbps

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