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.)
PARAMETER
JITTER SPECIFICATION
Jitter Peaking
Jitter Transfer Bandwidth
Sinusoidal Jitter Tolerance
Jitter Generation
SYMBOL
CONDITIONS
120kHz < f ≤ 8MHz (Notes 2, 4)
JP
f ≤ 120kHz (Notes 2, 4)
JBW
(Notes 2, 4)
f = 400kHz
(Notes 2, 4, 6)
f = 4MHz
f = 80MHz
(Notes 2, 4, 7)
MIN TYP MAX
0.05 0.25
0.03
5.6
8.0
3.0 >3 (Note 5)
0.55 >0.6 (Note 5)
0.45 >0.5 (Note 5)
4.5 11.0
Serial Data Output Deterministic
Jitter
DJ
PRBS 27 - 1 (Note 2)
4.6
13
PLL ACQUISITION/LOCK SPECIFICATION
Acquisition Time
Figures 1, 2 (Note 2)
200
LOL Assert Time
Maximum Frequency Pullin Time
Figure 1 (Note 2)
(Note 8)
90
2
Frequency Difference at which
LOL is Asserted
∆f/fREFCLK
∆f = |fVCO / N - fREFCLK|,
N = 16 or 64
651
Frequency Difference at which
LOL is DeAsserted
∆f/fREFCLK
∆f = |fVCO / N - fREFCLK|,
N = 16 or 64
500
LOSS-OF-SIGNAL (LOS) SPECIFICATION
UNITS
dB
MHz
UIP-P
mUIRMS
psP-P
µs
µs
ms
ppm
ppm
VTH Control Voltage Range
VTH
150
500
mV
LOS Gain Factor
VTH/
VLOS_ASSERT
10
V/V
Minimum LOS Assert Voltage
Maximum LOS Assert Voltage
LOS Gain-Factor Accuracy
VLOS_ASSERT
VLOS_ASSERT
(Notes 2, 9)
15
mV
50
mV
-1.5
+1.5
dB
LOS Hysteresis
(Notes 2, 10)
3.5
3.7
3.9
dB
LOS Gain-Factor Stability
(Note 2) Overtemperature and supply
-10
+10
%
LOS Assert Time
Figure 2 (Note 2)
3
90
µs
LOS Deassert Time
Figure 2 (Note 2)
90
µs
VTH Input Current
-5
+5
µA
LVTTL INPUT/OUTPUT SPECIFICATION (LOL, LOS, FCTL1, FCTL2)
Input High Voltage
VIH
Input Low Voltage
VIL
Input Current
2.0
V
0.8
V
-30
+30
µA
Output High Voltage
VOH
Sourcing 30µA
VCC -
0.5
V
Output Low Voltage
VOL
Sinking 1mA
0.4
V
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