Datasheet

AD9248
Rev. B | Page 6 of 48
Test AD9248BST/BCP-20 AD9248BST/BCP-40 AD9248BST/BCP-65
Parameter Temp Level Min Typ Max Min Typ Max Min Typ Max Unit
WORST OTHER SPUR
(NONSECOND or THIRD)
f
INPUT
= 2.4 MHz Full V 88.0 88.0 85.5 dBc
25°C I 83.3 89.0 83.5 89.0 81.0 86.0 dBc
f
INPUT
= 9.7 MHz Full V 87.0 dBc
25°C I 83.1 88.0 dBc
f
INPUT
= 19.6 MHz Full V 88.0 dBc
25°C I 82.6 88.5 dBc
f
INPUT
= 35 MHz Full V 85.5 dBc
25°C I 79.8 86.0 dBc
f
INPUT
= 100 MHz 25°C V 79.0 81.0 75.0 dBc
SPURIOUS-FREE DYNAMIC RANGE (SFDR)
f
INPUT
= 2.4 MHz Full V 86.0 85.0 84.0 dBc
25°C IV 77.5 87.5 77.5 86.0 77.5 86.0 dBc
f
INPUT
= 9.7 MHz Full V 83.0 dBc
25°C I 76.1 84.0 dBc
f
INPUT
= 19.6 MHz Full V 83.0 dBc
25°C I 76.0 84.0 dBc
f
INPUT
= 35 MHz Full V 80.0 dBc
25°C I 73.0 80.5 dBc
CROSSTALK Full V −85.0 −85.0 −85.0 dB
DIGITAL SPECIFICATIONS
AVDD = 3 V, DRVDD = 2.5 V, maximum sample rate, CLK_A = CLK_B; A
IN
= −0.5 dBFS differential input, 1.0 V internal reference,
T
MIN
to T
MAX
, DCS enabled, unless otherwise noted.
Table 3.
Test AD9248BST/BCP-20 AD9248BST-40 AD9248BST-65
Parameter Temp Level Min Typ Max Min Typ Max Min Typ Max Unit
LOGIC INPUTS
High Level Input Voltage Full IV 2.0 2.0 2.0 V
Low Level Input Voltage Full IV 0.8 0.8 0.8 V
High Level Input Current Full IV −10 +10 −10 +10 −10 +10 μA
Low Level Input Current Full IV −10 +10 −10 +10 −10 +10 μA
Input Capacitance Full IV 2 2 2 pF
LOGIC OUTPUTS
1
High Level Output Voltage Full IV
DRVDD −
0.05
DRVDD −
0.05
DRVDD −
0.05
V
Low Level Output Voltage Full IV 0.05 0.05 0.05 V
1
Output voltage levels measured with capacitive load only on each output.