Datasheet

AD9230
Rev. 0 | Page 6 of 32
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.
AD9230-170 AD9230-210 AD9230-250
Parameter (Conditions) Temp Min Typ Max Min Typ Max Unit
Maximum Conversion Rate Full 170 210 250 MSPS
Minimum Conversion Rate Full 40 40 40 MSPS
CLK+ Pulse Width High (t
CH
) Full 2.65 2.9 2.15 2.4 1.8 2.0 ns
CLK+ Pulse Width Low (t
CL
) Full 2.65 2.9 2.15 2.4 1.8 2.0 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.