MAX3286CSLASHD datasheet(5/28 Pages) MAXIM

5 / 28 page

3.0V to 5.5V, 1.25Gbps/2.5Gbps

LAN Laser Drivers

_______________________________________________________________________________________

Pin Description

Typical Operating Characteristics (continued)

(TA = +25°C, unless otherwise noted.)

EN STARTUP

(COMMON-ANODE CONFIGURATION)

OPTICAL

OUTPUT

BIASDRV

FAULT

5µs/div

MD SHUTDOWN

OPTICAL

OUTPUT

SHDNDRV

FAULT

10µs/div

EYE DIAGRAM

100ps/div

1.25Gbps, 1310nm LASER, 27 - 1 PRBS, Imod = 15mA

QFN/

THIN QFN

MAX3286

MAX3296

TQFP

MAX3286

MAX3296

TSSOP-EP

MAX3287

MAX3297

MAX3289

MAX3299

TSSOP-EP

MAX3288

MAX3298

NAME

FUNCTION

—

FAULT

Inverting Fault Indicator. See Table 1.

—2, 16, 19

—

N.C.

No Connect

——

FAULT

Noninverting Fault Indicator. See Table 1.

—

POR

Power-On Reset. POR is a TTL-compatible

output. See Figure 14.

4, 13, 19

5, 14, 22, 30

1, 6

GND

Ground

—

Enable TTL Input. The laser output is enabled

only when EN is high and

EN is low. If EN is

left unconnected, the laser is disabled.

—

Inverting Enable TTL Input. The laser output

is enabled only when

EN is low or grounded

and EN is high. If

EN is left unconnected, the

laser is disabled.

——

PORDLY

Power-On Reset Delay. To extend the delay

for the power-on reset circuit, connect a

capacitor to PORDLY. See the Design

Procedure section.

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