Datasheet

AD9211
Rev. 0 | Page 6 of 28
SWITCHING SPECIFICATIONS
AVDD = 1.8 V, DRVDD = 1.8 V, T
MIN
= −40°C, T
MAX
= +85°C, f
IN
= −1.0 dBFS, full scale = 1.25 V, DCS enabled, unless otherwise noted.
Table 4.
AD9211-200 AD9211-250 AD921-300
Parameter (Conditions) Temp Min Typ Max Min Typ Max Min Typ Max Unit
Maximum Conversion Rate Full 200 250 300 MSPS
Minimum Conversion Rate Full 40 40 40 MSPS
CLK+ Pulse Width High (t
CH
) Full 2.25 2.5 1.8 2.0 1.5 1.7 ns
CLK+ Pulse Width Low (t
CL
) Full 2.25 2.5 1.8 2.0 1.5 1.7 ns
Output (LVDS − SDR Mode)
1
Data Propagation Delay (t
PD
) Full 3.0 3.0 3.0 ns
Rise Time (t
R
) (20% to 80%) 25°C 0.2 0.2 0.2 ns
Fall Time (t
F
) (20% to 80%) 25°C 0.2 0.2 0.2 ns
DCO Propagation Delay (t
CPD
) Full 3.9 3.9 3.9 ns
Data to DCO Skew (t
SKEW
) Full −0.3 +0.1 +0.5 −0.3 +0.1 +0.5 −0.3 +0.1 +0.5 ns
Latency Full 7 7 7 Cycles
Output (LVDS − DDR Mode)
2
Data Propagation Delay (t
PD
) Full 3.8 3.8 3.8 ns
Rise Time (t
R
) (20% to 80%) 25°C 0.2 0.2 0.2 ns
Fall Time (t
F
) (20% to 80%) 25°C 0.2 0.2 0.2 ns
DCO Propagation Delay (t
CPD
) Full 3.9 3.9 3.9 ns
Data to DCO Skew (t
SKEW
) Full −0.5 +0.1 +0.3 −0.5 +0.1 +0.3 −0.5 +0.1 +0.3 ns
Latency Full 7 7 7 Cycles
Aperture Uncertainty (Jitter, t
J
) 25°C 0.2 0.2 ps rms
1
See Figure 2.
2
See Figure 3.