MAX3964C datasheet(3/12 Pages) MAXIM

Part #	MAX3964C

Description	3.0V to 5.5V, 125Mbps to 266Mbps Limiting Amplifiers with Loss-of-Signal Detector

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Manufacturer	MAXIM [Maxim Integrated Products]

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+3.0V to +5.5V, 125Mbps to 266Mbps

Limiting Amplifiers with Loss-of-Signal Detector

_______________________________________________________________________________________

3

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

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

Note 3: Voltage measurements are relative to supply voltage (VCC).

Note 4: PWD = [(width of wider pulse) - (width of narrower pulse)] / 2, measured with 100Mbps 1-0 pattern.

ELECTRICAL CHARACTERISTICS—MAX3964AETP

(VCC = +3.0V to +5.5V, PECL outputs terminated with 50Ω to (VCC - 2V), TA = -40°C to +85°C. Typical values measured at VCC =

+3.3V and TA = +25°C, unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Current

ICC

PECL outputs open

22

45

mA

LOS Hysteresis

Input = 4.0mVP-P (Note 2)

3.0

5

8.0

dB

SQUELCH Input Current

27

100

µA

PECL Output Voltage High

(Note 3)

-1.085

-0.880

V

PECL Output Voltage Low

(Note 3)

-1.830

-1.550

V

Input = 7mVP-P or 90mVP-P, 0°C to +85°C

-3

+3

LOS Assert Accuracy

Input = 7mVP-P or 90mVP-P, -40°C to 0°C

-3.6

+3.6

dB

Minimum LOS Assert Input

2.7

mVP-P

Maximum LOS Deassert Input

143

mVP-P

Input Sensitivity

24

mVP-P

Input Overload

1.5

VP-P

Output Transition Time

tr, tf

20% to 80%

1.6

2.4

ns

Pulse-Width Distortion

(Note 4)

50

250

psP-P

Typical Operating Characteristics

(MAX3964A EV kit, VCC = +3.3V, decibels (dB) calculated as 20 log ∆V, PECL outputs terminated with 50Ω to (VCC - 2V), TA = +25°C,

unless otherwise noted.)

1.00

1

100

1k

10

RSSI VOLTAGE vs. INPUT AMPLITUDE

2.00

3.00

1.50

2.50

INPUT AMPLITUDE (mV)

INPUT PATTERN IS 223 -1 PRBS

LOS DEASSERTED

LOS ASSERTED

1.5

1.6

1.7

1.9

1.8

2.0

2.2

2.1

2.3

-40

0

20

-20

40

60

80

100

RSSI VOLTAGE vs. TEMPERATURE

TEMPERATURE (°C)

INPUT = 100mV

INPUT = 10mV

INPUT = 5mV

100

30

1

100

1k

10

10k

PULSE-WIDTH DISTORTION

vs. INPUT AMPLITUDE

40

50

60

INPUT AMPLITUDE (mVP-P)

70

80

90

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