Datasheet

AD9480
Rev. A | Page 5 of 28
AC SPECIFICATIONS
AVDD = 3.3 V, DRVDD = 3.3 V, T
MIN
= –40°C, T
MAX
= +85°C, A
IN
= –1 dBFS, full scale = 1.0 V, internal reference, differential analog and
clock inputs, unless otherwise noted.
Table 3.
AD9480-250
Parameter Temp Test Level Min Typ Max Unit
SIGNAL-TO-NOISE RATIO (SNR)
f
IN
= 19.7 MHz 25°C V 47 dB
f
IN
= 70.1 MHz 25°C I 45 47 dB
f
IN
= 170 MHz 25°C I 45 46 dB
SIGNAL-TO-NOISE AND DISTORTION (SINAD)
f
IN
= 19.7 MHz 25°C V 46.5 dB
f
IN
= 70.1 MHz 25°C I 44.8 46.5 dB
f
IN
= 170 MHz 25°C I 44.8 46.5 dB
EFFECTIVE NUMBER OF BITS (ENOB)
f
IN
= 19.7 MHz 25°C V 7.6 Bits
f
IN
= 70.1 MHz 25°C I 7.3 7.6 Bits
f
IN
= 170 MHz 25°C I 7.3 7.6 Bits
WORST SECOND OR THIRD HARMONIC DISTORTION
f
IN
= 19.7 MHz 25°C V −65 dBc
f
IN
= 70.1 MHz 25°C I −65 −60 dBc
f
IN
= 170 MHz 25°C I −65 −60 dBc
WORST OTHER
f
IN
= 19.7 MHz 25°C V −70 dBc
f
IN
= 70.1 MHz 25°C I −70 −63 dBc
f
IN
= 170 MHz 25°C I −70 −63 dBc
SPURIOUS-FREE DYNAMIC RANGE (SFDR)
1
f
IN
= 19.7 MHz 25°C V −65 dBc
f
IN
= 70.1 MHz 25°C I −65 −60 dBc
f
IN
= 170 MHz 25°C I −65 −60 dBc
TWO-TONE INTERMODULATION DISTORTION (IMD)
f
IN1
= 69.3 MHz, f
IN2
= 70.3 MHz 25°C V −68 dBc
1
Nyquist bin energy ignored.