ONET4201LDRGER datasheet(9/26 Pages) TI

Part #	ONET4201LDRGER

Description	155-Mbps to 4.25-Gbps LASER DRIVER

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Manufacturer	TI [Texas Instruments]

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DC ELECTRICAL CHARACTERISTICS

ONET4201LD

SLLS677 – NOVEMBER 2005

over recommended operating conditions (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VCC

Supply voltage

3

3.3

3.6

V

IMOD = 30 mA, IBIAS = 20 mA (excluding IMOD, IBIAS)

32

mA

IVCC

Supply current

IMOD = 60 mA, IBIAS = 100 mA (excluding IMOD, IBIAS)

55

mA

IBIAS

Bias current range

100

mA

IBIAS-OFF

Bias off-current

DISABLE = high or hard-fault mode; VBIAS ≤ 3.5 V

25

µA

Bias overshoot

During module hot plugging. VCC turn on time must be

10%

≤ 0.8 s

Bias current temperature

APC open loop

–480

480

ppm/

°C

stability

Bias current absolute

IBIAS ≥ 1 mA

–15%

15%

accuracy(1)

IBIAS = 1 mA, TA = 25°C

±15%

Bias current monitor gain

IBIAS/IMONB

68

mA/ mA

MONB and MONP threshold

A fault is never detected for VMONB/P ≤ 1 V and a fault

1

1.25

1.35

V

range

always occurs for VMONB/P ≥ 1.35 V

PD current monitor gain

IPD/IMONP

1

mA/mA

VID

Differential input signal

200

1600

mVp-p

SDOWN output high voltage

IOH = 100 µA sourcing

2.4

V

SDOWN output low voltage

IOL = 1 mA sinking

0.4

V

DISABLE input impedance

4.7

7.4

10

k

Ω

DISABLE input high voltage

2

V

DISABLE input low voltage

0.8

V

VPD

Monitor diode voltage

1.6

V

Monitor diode dc current range

18

1500

µA

(1)

Absolute accuracy refers to part-to-part variation.

9

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