Data Sheet

AD9249

Rev. 0 | Page 7 of 36

SWITCHING SPECIFICATIONS

Table 4.

Parameter1, 2

Symbol

Temp

Min

Typ

Max

Unit

CLOCK3

Input Clock Rate

Full

10

520

MHz

Conversion Rate

Full

10

65

MSPS

Clock Pulse Width High

Full

7.69

ns

Clock Pulse Width Low

Full

7.69

ns

OUTPUT PARAMETERS3

Propagation Delay

Full

1.5

2.3

3.1

ns

Rise Time (20% to 80%)

Full

300

ps

Fall Time (20% to 80%)

Full

300

ps

FCO±1, FCO±2 Propagation Delay

Full

1.5

2.3

3.1

ns

DCO±1, DCO±2 Propagation Delay4

Full

ns

DCO±1, DCO±2 to Data Delay4

Full

ps

DCO±1, DCO±2 to FCO±1, FCO±2 Delay4

Full

ps

Data to Data Skew

Full

±50

±200

ps

Wake-Up Time (Standby)

25°C

35

μs

Wake-Up Time (Power-Down)5

25°C

375

μs

Pipeline Latency

Full

16

Clock

cycles

APERTURE

Aperture Delay

25°C

1

ns

Aperture Uncertainty (Jitter)

25°C

135

fs rms

Out-of-Range Recovery Time

25°C

1

Clock

cycles

1

See the AN-835 Application Note, Understanding High Speed ADC Testing and Evaluation, for definitions and for details on how these tests were completed.

2

Measured on standard FR-4 material.

3

Adjustable using the SPI.

4

5

Wake-up time is defined as the time required to return to normal operation from power-down mode.