Datasheet

AD9269
Rev. 0 | Page 6 of 40
AC SPECIFICATIONS
AVDD = 1.8 V, DRVDD = 1.8 V, maximum sample rate, 2 V p-p differential input, 1.0 V internal reference, AIN = −1.0 dBFS, DCS disabled,
unless otherwise noted.
Table 2.
Parameter
1
Temp
AD9269-20/AD9269-40 AD9269-65 AD9269-80
Unit Min Typ Max Min Typ Max Min Typ Max
SIGNAL-TO-NOISE RATIO (SNR)
f
IN
= 9.7 MHz 25°C 78.0 77.5 77.6 dBFS
f
IN
= 30.5 MHz 25°C 77.5 77.5 77.2 dBFS
Full 76.5 76.5 dBFS
f
IN
= 70 MHz 25°C 76.5 76.5 76.3 dBFS
Full 75.5 dBFS
f
IN
= 200 MHz 25°C 71.0 dBFS
SIGNAL-TO-NOISE-AND-DISTORTION (SINAD)
f
IN
= 9.7 MHz 25°C 77.9 77.4 77.4 dBFS
f
IN
= 30.5 MHz 25°C 77.2 77.2 76.9 dBFS
Full 76.0 76.0 dBFS
f
IN
= 70 MHz 25°C 76.4 76.4 76.1 dBFS
Full 75.0 dBFS
f
IN
= 200 MHz 25°C 69.4 dBFS
EFFECTIVE NUMBER OF BITS (ENOB)
f
IN
= 9.7 MHz 25°C 12.6 12.6 12.6 Bits
f
IN
= 30.5 MHz 25°C 12.5 12.5 12.5 Bits
f
IN
= 70 MHz 25°C 12.4 12.4 12.3 Bits
f
IN
= 200 MHz 25°C 11.2 Bits
WORST SECOND OR THIRD HARMONIC
f
IN
= 9.7 MHz 25°C −95 −97 −93 dBc
f
IN
= 30.5 MHz 25°C −90 −93 −92 dBc
Full −80 −80 dBc
f
IN
= 70 MHz 25°C −89 −97 −90 dBc
Full −80 dBc
f
IN
= 200 MHz 25°C −80 dBc
SPURIOUS-FREE DYNAMIC RANGE (SFDR)
f
IN
= 9.7 MHz 25°C 95 95 93 dBc
f
IN
= 30.5 MHz 25°C 90 91 92 dBc
Full 80 80 dBc
f
IN
= 70 MHz 25°C 89 95 90 dBc
Full 80 dBc
f
IN
= 200 MHz 25°C 80 dBc
WORST OTHER (HARMONIC OR SPUR)
f
IN
= 9.7 MHz 25°C −99 −89 −99 dBc
f
IN
= 30.5 MHz 25°C −100 −100 −99 dBc
Full −90 −91 dBc
f
IN
= 70 MHz 25°C −99 −100 −97 dBc
Full −89 dBc
f
IN
= 200 MHz 25°C −86 dBc
TWO-TONE SFDR
f
IN
= 30.5 MHz (−7 dBFS), 32.5 MHz (−7 dBFS) 25°C 90 90 90 dBc
CROSSTALK
2
Full −110 −110 −110 dBc
ANALOG INPUT BANDWIDTH 25°C 700 700 700 MHz
1
See the AN-835 Application Note, Understanding High Speed ADC Testing and Evaluation, for a complete set of definitions.
2
Crosstalk is measured at 100 MHz with −1.0 dBFS on one channel and no input on the alternate channel.