AD9480
Rev. A | Page 5 of 28
AC SPECIFICATIONS
AVDD = 3.3 V, DRVDD = 3.3 V, TMIN = –40°C, TMAX = +85°C, AIN = –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)
fIN = 19.7 MHz
25°C
V
47
dB
fIN = 70.1 MHz
25°C
I
45
47
dB
fIN = 170 MHz
25°C
I
45
46
dB
SIGNAL-TO-NOISE AND DISTORTION (SINAD)
fIN = 19.7 MHz
25°C
V
46.5
dB
fIN = 70.1 MHz
25°C
I
44.8
46.5
dB
fIN = 170 MHz
25°C
I
44.8
46.5
dB
EFFECTIVE NUMBER OF BITS (ENOB)
fIN = 19.7 MHz
25°C
V
7.6
Bits
fIN = 70.1 MHz
25°C
I
7.3
7.6
Bits
fIN = 170 MHz
25°C
I
7.3
7.6
Bits
WORST SECOND OR THIRD HARMONIC DISTORTION
fIN = 19.7 MHz
25°C
V
65
dBc
fIN = 70.1 MHz
25°C
I
65
60
dBc
fIN = 170 MHz
25°C
I
65
60
dBc
WORST OTHER
fIN = 19.7 MHz
25°C
V
70
dBc
fIN = 70.1 MHz
25°C
I
70
63
dBc
fIN = 170 MHz
25°C
I
70
63
dBc
SPURIOUS-FREE DYNAMIC RANGE (SFDR)
1fIN = 19.7 MHz
25°C
V
65
dBc
fIN = 70.1 MHz
25°C
I
65
60
dBc
fIN = 170 MHz
25°C
I
65
60
dBc
TWO-TONE INTERMODULATION DISTORTION (IMD)
fIN1 = 69.3 MHz, fIN2 = 70.3 MHz
25°C
V
68
dBc
1 Nyquist bin energy ignored.