Datasheet

AD9245 Data Sheet
Rev. E | Page 6 of 32
AVDD = 3 V, DRVDD = 2.5 V, sample rate = 80 MSPS, 2 V p-p differential input, 1.0 V external reference, AIN = –0.5 dBFS, DCS off,
unless otherwise noted.
Table 4.
AD9245BCP-80
Parameter Min Typ Max Unit
SIGNAL-TO-NOISE RATIO (SNR)
f
IN
= 2.4 MHz 71.1 73.3 dB
f
IN
= 40 MHz 72.7 dB
f
IN
= 70 MHz 70.5 71.7 dB
f
IN
= 100 MHz 70.2 dB
SIGNAL-TO-NOISE AND DISTORTION (SINAD)
f
IN
= 2.4 MHz 70.7 73.2 dB
f
IN
= 40 MHz 72.5 dB
f
IN
= 70 MHz 69.9 71.2 dB
f
IN
= 100 MHz 69.6 dB
EFFECTIVE NUMBER OF BITS (ENOB)
f
IN
= 2.4 MHz 11.5 11.9 Bits
f
IN
= 40 MHz 11.8 Bits
f
IN
= 70 MHz 11.3 11.5 Bits
f
IN
= 100 MHz 11.3 Bits
WORST HARMONIC (SECOND OR THIRD)
f
IN
= 2.4 MHz −92.8 –76.5 dBc
f
IN
= 40 MHz –87.6 dBc
f
IN
= 70 MHz −81.6 –75.7 dBc
f
IN
= 100 MHz –79.0 dBc
SPURIOUS-FREE DYNAMIC RANGE (SFDR)
f
IN
= 2.4 MHz 76.5 92.8 dBc
f
IN
= 40 MHz 87.6 dBc
f
IN
= 70 MHz 75.7 81.6 dBc
f
IN
= 100 MHz 79.0 dBc