Datasheet

AD9244
Rev. C | Page 4 of 36
AC SPECIFICATIONS
AVDD = 5 V, DRVDD = 3 V, f
SAMPLE
= 65 MSPS (–65) or 40 MSPS (–40), differential clock inputs, VREF = 2 V, external reference,
A
IN
= –0.5 dBFS, differential analog inputs, unless otherwise noted.
Table 2.
Test AD9244BST-65 AD9244BST-40
Parameter Temp Level Min Typ Max Min Typ Max Unit
SNR
1
f
IN
= 2.4 MHz Full VI 72.4 73.4 dBc
25°C I 74.8 75.3 dBc
f
IN
= 15.5 MHz (–1 dBFS) Full IV 72.0 dBc
25°C V 73.7 dBc
f
IN
= 20 MHz Full VI 72.1 dBc
25°C I 74.7 dBc
f
IN
= 32.5 MHz Full IV 70.8 dBc
25°C I 73.0 dBc
f
IN
= 70 MHz Full IV 69.9 dBc
25°C V 72.2 dBc
f
IN
= 100 MHz 25°C V 71.2 72.8 dBc
f
IN
= 200 MHz 25°C V 67.2 68.3 dBc
SINAD
1
f
IN
= 2.4 MHz Full VI 72.2 73.2 dBc
25°C I 74.7 75.1 dBc
f
IN
= 20 MHz Full VI 72 dBc
25°C I 74.4 dBc
f
IN
= 32.5 MHz Full IV 70.6 dBc
25°C I 72.6 dBc
f
IN
= 70 MHz Full IV 69.7 dBc
25°C V 71.9 dBc
f
IN
= 100 MHz 25°C V 71 72.4 dBc
f
IN
= 200 MHz 25°C V 59.8 56.3 dBc
ENOB
f
IN
= 2.4 MHz Full VI 11.7 11.9 Bits
25°C I 12.1 12.2 Bits
f
IN
= 20 MHz Full VI 11.7 Bits
25°C I 12.1 Bits
f
IN
= 32.5 MHz Full IV 11.4 Bits
25°C I 11.8 Bits
f
IN
= 70 MHz Full IV 11.3 Bits
25°C V 11.7 Bits
f
IN
= 100 MHz 25°C V 11.5 11.7 Bits
f
IN
= 200 MHz 25°C V 9.6 9.1 Bits
THD
1
f
IN
= 2.4 MHz Full VI −78.4 −80.7 dBc
25°C I −90.0 −89.7 dBc
f
IN
= 20 MHz Full VI −80.4 dBc
25°C I −89.4 dBc
f
IN
= 32.5 MHz Full IV −79.2 dBc
25°C I −84.6 dBc
f
IN
= 70 MHz Full IV −78.7 dBc
25°C V −84.1 dBc
f
IN
= 100 MHz 25°C V −83.0 −83.2 dBc
f
IN
= 200 MHz 25°C V −60.7 −56.6 dBc