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AD9259 Datasheet, PDF (4/52 Pages) Analog Devices – Quad, 14-bit, 50 MSPS Serial LVDS 1.8 V A/D Converter
AD9259
AC SPECIFICATIONS
AVDD = 1.8 V, DRVDD = 1.8 V, 2 V p-p differential input, 1.0 V internal reference, AIN = −0.5 dBFS, unless otherwise noted.
Table 2.
Parameter1
SIGNAL-TO-NOISE RATIO (SNR)
SIGNAL-TO-NOISE AND DISTORTION RATIO (SINAD)
EFFECTIVE NUMBER OF BITS (ENOB)
SPURIOUS-FREE DYNAMIC RANGE (SFDR)
WORST HARMONIC (Second or Third)
WORST OTHER (Excluding Second or Third)
TWO-TONE INTERMODULATION DISTORTION (IMD)—
AIN1 AND AIN2 = −7.0 dBFS
fIN = 2.4 MHz
fIN = 19.7 MHz
fIN = 70 MHz
fIN = 2.4 MHz
fIN = 19.7 MHz
fIN = 70 MHz
fIN = 2.4 MHz
fIN = 19.7 MHz
fIN = 70 MHz
fIN = 2.4 MHz
fIN = 19.7 MHz
fIN = 70 MHz
fIN = 2.4 MHz
fIN = 19.7 MHz
fIN = 70 MHz
fIN = 2.4 MHz
fIN = 19.7 MHz
fIN = 70 MHz
fIN1 = 15 MHz,
fIN2 = 16 MHz
fIN1 = 70 MHz,
fIN2 = 71 MHz
Temperature
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
25°C
25°C
AD9259-50
Min Typ Max Unit
73.5
dB
71.0 73.0
dB
72.8
dB
72.7
dB
70.2 72.2
dB
72.0
dB
12.0
Bits
11.6 11.9
Bits
11.9
Bits
84
dBc
73 84
dBc
78
dBc
−88
dBc
−84 −73 dBc
−78
dBc
−90
dBc
−90 −80 dBc
−88
dBc
80.0
dBc
80.0
dBc
1 See the AN-835 Application Note, “Understanding High Speed ADC Testing and Evaluation,” for a complete set of definitions and how these tests were completed.
Rev. 0 | Page 4 of 52