ADN2804 Просмотр технического описания (PDF) - Analog Devices
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ADN2804 Datasheet PDF : 24 Pages
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Data Sheet
ADN2804
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
QUANTIZER—DC CHARACTERISTICS
Input Voltage Range
Peak-to-Peak Differential Input
Input Common-Mode Level
Differential Input Sensitivity
Input Offset
Input RMS Noise
QUANTIZER—AC CHARACTERISTICS
Data Rate
Output Clock Range
S11
Input Resistance
Input Capacitance
QUANTIZER—SLICE ADJUSTMENT
Gain
Differential Control Voltage Input
Control Voltage Range
Slice Threshold Offset
LOSS-OF-SIGNAL (LOS) DETECT
Loss-of-Signal Detect Range (see Figure 6)
Hysteresis (Electrical)
LOS Assert Time
LOS Deassert Time
LOSS-OF-LOCK (LOL) DETECT
VCO Frequency Error for LOL Assert
VCO Frequency Error for LOL Deassert
LOL Response Time
ACQUISITION TIME
Lock to Data Mode
Optional Lock to REFCLK Mode
DATA RATE READBACK ACCURACY
Fine Readback
POWER SUPPLY VOLTAGE
POWER SUPPLY CURRENT
OPERATING TEMPERATURE RANGE
Conditions
@ PIN or NIN, dc-coupled
PIN − NIN
DC-coupled (see Figure 27, Figure 28, and Figure 29)
223 − 1 PRBS, ac-coupled,1 BER = 1 × 10–10
BER = 1 × 10–10
Locked to 622 Mbps input data
@ 622 MHz
Differential
SLICEP − SLICEN = ±0.5 V
SLICEP − SLICEN
DC level @ SLICEP or SLICEN
RTHRESH = 0 Ω
RTHRESH = 100 kΩ
OC-12
RTHRESH = 0 Ω
RTHRESH = 100 kΩ
DC-coupled2
DC-coupled2
With respect to nominal
With respect to nominal
OC-12
OC-12
In addition to REFCLK accuracy
OC-12
Locked to 622.08 Mbps
Min
1.8
2.3
6
0.10
−0.95
VEE
14.9
2.6
6.2
4.1
3.0
–40
Typ
2.5
3.3
500
290
622
622
−15
100
0.65
0.11
1
16.7
3.5
6.9
6.1
500
400
1000
250
200
2.0
20.0
100
3.3
128
Max Unit
2.8 V
2.0 V
2.8 V
mV p-p
µV
µV rms
Mbps
MHz
dB
Ω
pF
0.13 V/V
+0.95 V
0.95 V
mV
18.4 mV
4.4 mV
7.7 dB
8.1 dB
ns
ns
ppm
ppm
µs
ms
ms
ppm
3.6 V
mA
+85 °C
1 PIN and NIN should be differentially driven and ac-coupled for optimum sensitivity.
2 When ac-coupled, the LOS assert and deassert times are dominated by the RC time constant of the ac coupling capacitor and the 50 Ω input termination of the
ADN2804 input stage.
Rev. D | Page 3 of 24
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