MAX3676 データシートの表示（PDF） - Maxim Integrated
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MAX3676 Datasheet PDF : 15 Pages
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622Mbps, 3.3V Clock-Recovery and
Data-Retiming IC with Limiting Amplifier
AC ELECTRICAL CHARACTERISTICS
(VCC = +3.0V to +5.5V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at VCC = +3.3V and TA = +25°C.)
(Notes 2, 3)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
Differential Input Voltage
Range
VID
BER < 10-10, ADI inputs (Note 4)
0.003
1.2000
VP-P
Input-Referred Noise
Power-Detect Hysteresis
VN
ADI inputs
(Notes 5, 6)
80
μVRMS
3
6
dB
Limiting Amplifier Small-
Signal Bandwidth
BW
(Note 7)
650
MHz
RSSI Output Voltage
Threshold Voltage
LOP Threshold Accuracy
(ADI+) - (ADI-) = 2mVP-P
(ADI+) - (ADI-) = 20mVP-P
VTH
(Note 6)
(Note 6)
1.40
V
1.93
1.41
V
-2
+2
dB
RSSI Linearity
(ADI+) - (ADI-) = 2mVP-P to 50mVP-P
±0.7
%
RSSI Slope
(ADI+) - (ADI-) = 2mVP-P to 50mVP-P
(Note 8)
26
mV/dB
Loop Bandwidth
Jitter Generation (Note 9)
Jitter-Transfer Peaking
CF = 2.2μF
CF = 2.2μF
CF = 2.2μF
Jitter Tolerance (Note 10)
CF = 2.2μF
Maximum Consecutive Input
Run Length (1 or 0)
Clock Transition Time
Data Transition Time
Serial Clock-to-Q Delay
Serial Clock Frequency
tr, tf
tr, tf
tCLK-Q
fSCLK
20% to 80%
20% to 80%
250
500
2.0
2.6
0.03
0.08
f = 10kHz
8.9
f = 25kHz (Note 11)
3.64
f = 250kHz
0.55
0.77
f = 1MHz
0.45
0.69
1200
205
245
180
230
140
275
400
622.08
kHz
mUI
dB
UI
Bits
ps
ps
ps
MHz
Note 2: AC parameters are guaranteed by design and characterization.
Note 3: The MAX3676 is characterized with a PRBS of 223 - 1 maintaining a BER of ≤ 10-10 having a confidence level of 99.9%.
Note 4: A lower minimum input voltage of 2mVP-P is achievable; however, the LOP hysteresis is not guaranteed below 3.6mVP-P.
Note 5: Hysteresis = 20log(VRELEASE/VASSERT).
Note 6: R1 = 20kΩ, R2 = 3.0kΩ, resulting in VRELEASE ≈ 3.6mVP-P.
Note 7: Small-signal bandwidth cannot be measured directly.
Note 8: RSSI slope = [VRSSI2 - VRSSI1]/[20log (VID2/VID1)].
Note 9: 1UI = 1 unit interval = (622.08MHz)-1 = 1.608ns.
Note 10: At jitter frequencies <10kHz, the jitter tolerance characteristics exceed the ITU/Bellcore specifications. The low-frequency
jitter tolerance outperforms the instrument’s measurement capability.
Note 11: See Typical Operating Characteristics for worst-case distribution.
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