MAX3831 datasheet(2/16 Pages) MAXIM

2 / 16 page

+3.3V, 2.5Gbps, SDH/SONET, 4-Channel

Interconnect Mux/Demux ICs with Clock Generator

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ABSOLUTE MAXIMUM RATINGS

DC ELECTRICAL CHARACTERISTICS

(VCC = +3.0V to +3.6V, LVDS differential load = 100

Ω ±1%, CML load = 50Ω ±1% to VCC, all TTL inputs are open, TA = 0°C to

+85°C, unless otherwise noted. Typical values are at TA = +25°C and VCC = +3.3V.)

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.

Positive Supply Voltage (VCC)...............................-0.5V to +5.0V

Input Voltage (LVDS, TTL)..........................-0.5V to (VCC + 0.5V)

CML Input Voltage ..........................(VCC - 0.8V) to (VCC + 0.5V)

FIL+, FIL- Voltage.......................................-0.5V to (VCC + 0.5V)

TTL Output Voltage ....................................-0.5V to (VCC + 0.5V)

LVDS Output Voltage ..................................-0.5V to (VCC +0.5V)

CML Output Currents..........................................................22mA

Continuous Power Dissipation (TA = +85°C) (Note 1)

64-Pin TQFP-EP (derate 40.0mW/°C above +85°C) .........2.6W

Operating Temperature Range...............................0°C to +85°C

Storage Temperature Range .............................-60°C to +150°C

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

Short outputs together (Note 3)

TRIEN = VCC

TRIEN = GND

Figure 1

LVDS input, VOS = 1.2V

CONDITIONS

VCC -

VCC +

0.6

0.4

VIS

Single-Ended Input Voltage Range

VCC - 0.2

Output Common-Mode Voltage

Ω

100

115

Differential Output Impedance

mVp-p

640

800

1000

VODp-p

Differential Output Voltage

Output Current

Ω

120

Differential Output Impedance

Ω

±25

∆VOS

Change in Magnitude of Output

Offset Voltage for Complementary

States

1.125

1.275

VOS

Output Offset Voltage

±25

∆VOD

Change in Magnitude of

Differential Output Voltage for

Complementary States

440

580

ICC

Supply Current

250

400

VOD

Differential Output Voltage

0.925

VOL

Output Voltage Low

1.475

VOH

Output Voltage High

µA

270

IOS

Input Common-Mode Current

2400

VIN

Input Voltage Range

-100

+100

VIDTH

Differential Input Threshold

VHYST

Threshold Hysteresis

Ω

100

115

RIN

Input Impedance

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

Figure 2

Ω

100

115

Differential Input Impedance

mVp-p

400

1200

Differential Input Voltage Swing

LVDS INPUTS AND OUTPUTS

CML INPUTS AND OUTPUTS

Note 1: Based on empirical data from the MAX3831/MAX3832 evaluation kit.

CML inputs and outputs open,

LVDS input VOS = 1.2V (Note 2)

MAX3831

MAX3832

480

614

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