ADN2805
SPECIFICATIONS
TA = TMIN to TMAX, VCC = VMIN to VMAX, VEE = 0 V, CF = 0.47 μF, SLICEP = SLICEN = VEE, input data pattern: PRBS 223 − 1,
unless otherwise noted.
Table 1.
Parameter
Conditions
Min
Typ
Max
Unit
QUANTIZER—DC CHARACTERISTICS
Input Voltage Range
Peak-to-Peak Differential Input
Input Common-Mode Level
QUANTIZER—AC CHARACTERISTICS
Data Rate
@ PIN or NIN, dc-coupled
PIN − NIN
DC-coupled
1.8
0.2
2.3
2.8
2.0
2.8
V
V
V
2.5
1250
Mbps
dB
Ω
S11
@ 2.5 GHz
Differential
−15
100
0.65
Input Resistance
Input Capacitance
pF
LOSS-OF-LOCK (LOL) DETECT
VCO Frequency Error for LOL Assert
VCO Frequency Error for LOL Deassert
LOL Response Time
With respect to nominal
With respect to nominal
1000
250
200
ppm
ppm
μs
ACQUISITION TIME
Lock-to-Data Mode
GbE
1.5
20.0
ms
ms
Optional Lock to REFCLK Mode
DATA RATE READBACK ACCURACY
Fine Readback
In addition to REFCLK accuracy
Locked to 1.25 Gbps
100
ppm
POWER SUPPLY
Power Supply Voltage
Power Supply Current
OPERATING TEMPERATURE RANGE
3.0
3.3
118
3.6
131
+85
V
mA
°C
−40
JITTER SPECIFICATIONS
TA = TMIN to TMAX, VCC = VMIN to VMAX, VEE = 0 V, CF = 0.47 μF, SLICEP = SLICEN = VEE, input data pattern: PRBS 223 − 1,
unless otherwise noted.
Table 2.
Parameter
Conditions
Min
Typ
Max
Unit
PHASE-LOCKED LOOP CHARACTERISTICS
Jitter Peaking
Jitter Generation
0
0.03
0.003
0.04
dB
0.001
0.02
UI rms
UI p-p
UI p-p
Jitter Tolerance
GbE, IEEE 802.3, 637 kHz
0.749
Rev. 0 | Page 3 of 16