MAX3991UTG Ver la hoja de datos (PDF) - Maxim Integrated
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MAX3991UTG Datasheet PDF : 12 Pages
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10Gbps Clock and Data Recovery
with Limiting Amplifier
ELECTRICAL CHARACTERISTICS (continued)
(See Table 1 for operating conditions. Typical values at VCC = +3.3V, TA = +25°C, unless otherwise noted.)
Note 1: Measured with 100mVP-P differential amplitude.
Note 2: Guaranteed by design and characterization.
Note 3: Measured from the time that the FCTL1 input goes high with FCTL2 = 0 to the time when the supply current drops to less
than 40% of the nominal value.
Note 4: Measured with PRBS = 231 - 1.
Note 5: Measurement limited by test equipment.
Note 6: Jitter tolerance is for BER ≤ 10-12, measured with additional 0.1UI deterministic jitter and 40mVP-P differential input.
Note 7: Measured with 50kHz to 80MHz SONET filter.
Note 8: Applies on power-up, after standby.
Note 9: Over process, temperature, and supply.
Note 10: Hysteresis is defined as 20Log(VLOS-DEASSERT / VLOS-ASSERT).
Table 1. Operating Conditions (Unless otherwise noted, FCTL1 = FCTL2 = 0.)
PARAMETER
SYMBOL
CONDITIONS
Supply Voltage
VCC
Ambient Temperature
TA
Input Data Rate
Rb
SDI± Differential Input Voltage Swing
VD
Load Resistance
RL RL is AC-coupled
REFCLK± Differential Input Voltage
Swing
REFCLK Duty Cycle
REFCLK Frequency
fREFCLK
REFCLK Accuracy
REFCLK Rise/Fall Times (20% to
80%)
REFCLK Random Jitter
Relative to Rb / 16 or Rb / 64
fREFCLK= Rb / 64
fREFCLK= Rb / 16
Noise bandwidth < 100MHz
MIN TYP MAX
3.0
3.6
0
+85
(See Table 2 )
15
1000
50
300
1600
30
-100
Rb / 16
Rb / 64
70
+100
1200
300
10
UNITS
V
°C
Gbps
mVP-P
Ω
mVP-P
%
GHz
ppm
ps
psRMS
Table 2. Serial Data Rate and Reference Clock Frequency
APPLICATION
DATA RATE (Rb)
(Gbps)
/16 REFERENCE CLOCK
FREQUENCY (MHz)
OC-192 SONET – SDH64
OC-192 SONET Over FEC
ITU G.709
10Gbps Ethernet, IEEE 802.3ae
10 Gigabit Ethernet Over ITU G.709
10Gbps Fibre Channel
9.95328
10.664
10.709
10.3125
11.09573
10.51875
622.08
666.5
669.3125
644.53125
693.483125
657.421875
Note: The part should be in standby mode when data rates are being switched.
/64 REFERENCE CLOCK
FREQUENCY (MHz)
155.52
166.625
167.328125
161.1328125
173.3707813
164.355469
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