Data Sheet ADN2814
Rev. C | Page 3 of 28
SPECIFICATIONS
T
A
= T
MIN
to T
MAX
, VCC = V
MIN
to V
MAX
, VEE = 0 V, C
F
= 0.47 μF, SLICEP = SLICEN = VEE, input data pattern: PRBS 2
23
− 1,
unless otherwise noted.
Table 1.
Parameter Conditions Min Typ Max Unit
QUANTIZER—DC CHARACTERISTICS
Input Voltage Range @ PIN or NIN, dc-coupled 1.8 2.8 V
Peak-to-Peak Differential Input PIN − NIN 2.0 V
Input Common-Mode Level DC-coupled (see Figure 27, Figure 28, and Figure 29) 2.3 2.5 2.8 V
Differential Input Sensitivity 2
23
− 1 PRBS, ac-coupled,
1
BER = 1 × 10
–10
6 3.3 mV p-p
Input Offset 500 μV
Input RMS Noise BER = 1 × 10
–10
290 μV rms
QUANTIZER—AC CHARACTERISTICS
Data Rate 10 675 Mb/s
S11 @ 2.5 GHz −15 dB
Input Resistance Differential 100 Ω
Input Capacitance 0.65 pF
QUANTIZER—SLICE ADJUSTMENT
Gain SLICEP − SLICEN = ±0.5 V 0.10 0.11 0.13 V/V
Differential Control Voltage Input SLICEP − SLICEN −0.95 +0.95 V
Control Voltage Range DC level @ SLICEP or SLICEN VEE 0.95 V
Slice Threshold Offset 1 mV
LOSS-OF-SIGNAL (LOS) DETECT
Loss-of-Signal Detect Range (see Figure 6) R
THRESH
= 0 Ω 14 16.5 19 mV
R
THRESH
= 100 kΩ 2.3 3.5 4.7 mV
Hysteresis (Electrical) OC-12
R
THRESH
= 0 Ω 6.4 7.2 8.0 dB
R
THRESH
= 100 kΩ 4.6 6.2 7.8 dB
OC-1
R
THRESH
= 0 Ω 5.5 6.6 7.7 dB
R
THRESH
= 10 kΩ 3.1 5.4 7.7 dB
LOS Assert Time DC-coupled
2
500 ns
LOS Deassert Time DC-coupled
2
400 ns
LOSS-OF-LOCK (LOL) DETECT
VCO Frequency Error for LOL Assert With respect to nominal 1000 ppm
VCO Frequency Error for LOL Deassert With respect to nominal 250 ppm
LOL Response Time 10 Mb/s 5 ms
OC-12 200 μs
ACQUISITION TIME
Lock to Data Mode OC-12 2.0 ms
OC-3 3.4 ms
OC-1 9.8 ms
10 Mb/s 40.0 ms
Optional Lock to REFCLK Mode 20.0 ms
DATA RATE READBACK ACCURACY
Coarse Readback See Table 13 10 %
Fine Readback In addition to REFCLK accuracy
Data rate ≤ 20 Mb/s 200 ppm
Data rate > 20 Mb/s 100 ppm