MAX3872 datasheet(2/13 Pages) MAXIM

2 / 13 page

Multirate Clock and Data Recovery

with Limiting Amplifier

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

DC ELECTRICAL CHARACTERISTICS

(VCC = +3.0V to +3.6V, TA = -40°C to +85°C. Typical values at VCC = +3.3V, TA = +25°C, unless otherwise noted.) (Note 1)

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.

Supply Voltage, VCC..............................................-0.5V to +5.0V

Input Voltage Levels

(SDI+, SDI-, SLBI+, SLBI-) ..........(VCC - 1.0V) to (VCC + 0.5V)

Input Current Levels

(SDI+, SDI-, SLBI+, SLBI-)............................................

±20mA

CML Output Current

(SDO+, SDO-, SCLKO+, SCLKO-) ...............................

±22mA

Voltage at LOL, LREF, SIS, FIL,

RATESET, FREFSET, RS1, RS2,

VCTRL, VREF, CAZ+, CAZ-......................-0.5V to (VCC + 0.5V)

Continuous Power Dissipation (TA = +85°C)

32-Pin QFN (derate 21.3mW/°C above +85°C) .........1384mW

Operating Junction Temperature Range ...........-55°C to +150°C

Storage Temperature Range .............................-55°C to +150°C

Processing Temperature (die) .........................................+400°C

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

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Current

ICC

(Note 2)

175

215

INPUT SPECIFICATIONS (SDI

±, SLBI±)

Single-Ended Input Voltage

Range

VIS

Figure 1

VCC

- 0.8

VCC

+ 0.4

Input Common-Mode Voltage

Figure 1

VCC

- 0.4

VCC

Input Termination to VCC

RIN

42.5

57.5

Ω

THRESHOLD-SETTING SPECIFICATIONS (SDI

±)

Differential Input Voltage Range

(SDI

±)

Threshold adjust enabled

600

mVP-P

Threshold Adjustment Range

VTH

Figure 2

-170

+170

Threshold Control Voltage

VCTRL

Figure 2 (Note 3)

0.3

2.1

Threshold Control Linearity

±5%

Threshold Setting Accuracy

Figure 2

-18

+18

15mV

≤ |VTH| ≤ 80mV

-6

Threshold Setting Stability

80mV < |VTH|

≤ 170mV

-12

+12

Maximum Input Current

ICTRL

-10

+10

µA

Reference Voltage Output

VREF

2.14

2.2

2.24

CML OUTPUT SPECIFICATIONS (SDO

±, SCLKO±)

CML Differential Output Swing

(Note 4)

600

800

1000

mVP-P

CML Differential Output

Impedance

100

115

Ω

CML Output Common-Mode

Voltage

(Note 4)

VCC

- 0.2

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