MAX3969ESLASHD datasheet(2/11 Pages) MAXIM

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200Mbps SFP Limiting Amplifier

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ABSOLUTE MAXIMUM RATINGS

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

Power-Supply Voltage Range (VCC, VCCO) ..........-0.5V to +7.0V

Voltage at FILTER, RSSI, IN+, IN-, CZP, CZN, SQUELCH,

INV, VTH..................................................-0.5V to (VCC + 0.5V)

TTL Output Current (LOS, LOS) .........................................±9mA

PECL Output Current (OUT+, OUT-, SD) .........................±50mA

Differential Voltage Between CZP and CZN..........-1.5V to +1.5V

Differential Voltage Between IN+ and IN- .............-1.5V to +1.5V

Continuous Power Dissipation (TA = +85°C)

20-Pin Thin QFN (derate 16.9mW/°C above +85°C) ....1099mW

Operating Junction Temperature Range (die).....-40°C to +150°C

Die Attach Temperature...................................................+400°C

Storage Temperature Range .............................-50°C to +150°C

Lead Temperature (soldering, 10s) .................................+300°C

ELECTRICAL CHARACTERISTICS

(VCC = +2.97V to +5.5V, PECL outputs terminated with 50

Ω to VCC - 2V, R1 = 100kΩ, TA = -40°C to +85°C, unless otherwise noted.

Typical values are at VCC = +3.3V, TA = +25°C.) (Note 1)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Current

PECL outputs open

LOS Hysteresis

Input = 4.0mVP-P (Note 2)

3.0

8.0

Squelch Input Current

100

µA

PECL Output-Voltage High

(Note 3)

-1085

-880

PECL Output-Voltage Low

(Note 3)

-1830

-1550

Input = 7mVP-P or 90mVP-P, 0

°C to +85°C

-3.0

+3.0

LOS Assert Accuracy

Input = 7mVP-P or 90mVP-P, -40

°C to +85°C

-3.6

+3.6

Minimum LOS Assert Input

2.7

mVP-P

Maximum LOS Deassert Input

143

mVP-P

Input Sensitivity

(Note 4)

mVP-P

Input Overload

(Note 4)

1500

mVP-P

TTL Output High

RLOS = 4.7k

Ω to 10kΩ

2.4

3.0

TTL Output Leakage

(Note 5)

µA

TTL Output Low

IOL = 800µA

0.2

0.5

Data Output Transition Time

20% to 80%, Input > 4mVP-P (Note 4)

0.35

0.8

1.20

Pulse-Width Distortion

Input > 4mVP-P (Notes 4, 6)

250

LOS, SD Assert/Deassert Time

CFILTER = 0.01µF

µs

Note 1: Dice are tested and guaranteed only at TA = +25°C.

Note 2: LOS hysteresis = 20log(VLOS-DEASSERT / VLOS-ASSERT).

Note 3: Relative to supply voltage (VCCO).

Note 4: AC characteristics are guaranteed by design and characterization.

Note 5: Input < LOS threshold (LOS = HIGH), VLOS = 2.4V.

Note 6: Pulse-width distortion = [(width of wider pulse) - (width of narrower pulse)] / 2, measured with 100Mbps 1-0 pattern.

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