Data Sheet
AD9653
AC SPECIFICATIONS
AVDD = 1.8 V, DRVDD = 1.8 V, 2.0 V p-p full-scale differential input at −1.0 dBFS; VREF = 1.0 V, DCS off, unless otherwise noted.
Table 3.
Parameter1
Temperature
Min
Typ
Max Unit
SIGNAL-TO-NOISE RATIO (SNR)
fIN = 9.7 MHz
fIN = 15 MHz
fIN = 70 MHz
fIN = 128 MHz
25°C
25°C
Full
25°C
25°C
78
dBFS
dBFS
dBFS
dBFS
dBFS
77.8
76.5
73.9
71.5
75.5
fIN = 200 MHz
SIGNAL-TO-NOISE-AND-DISTORTION RATIO (SINAD)
fIN = 9.7 MHz
fIN = 15 MHz
fIN = 70 MHz
fIN = 128 MHz
25°C
25°C
Full
25°C
25°C
78
dBFS
dBFS
dBFS
dBFS
dBFS
77.7
76.1
73.6
70.3
74.6
12.1
78
fIN = 200 MHz
EFFECTIVE NUMBER OF BITS (ENOB)
fIN = 9.7 MHz
fIN = 15 MHz
fIN = 70 MHz
fIN = 128 MHz
fIN = 200 MHz
25°C
25°C
Full
25°C
25°C
12.7
12.6
12.4
11.9
11.4
Bits
Bits
Bits
Bits
Bits
SPURIOUS-FREE DYNAMIC RANGE (SFDR)
fIN = 9.7 MHz
fIN = 15 MHz
fIN = 70 MHz
fIN = 128 MHz
fIN = 200 MHz
25°C
25°C
Full
25°C
25°C
96
93
89
87
77
dBc
dBc
dBc
dBc
dBc
WORST HARMONIC (SECOND OR THIRD)
fIN = 9.7 MHz
fIN = 15 MHz
fIN = 70 MHz
fIN = 128 MHz
fIN = 200 MHz
WORST OTHER HARMONIC OR SPUR
25°C
25°C
Full
25°C
25°C
−98
−93
−89
−87
−77
dBc
dBc
dBc
dBc
dBc
−78
−85
fIN = 9.7 MHz
fIN = 15 MHz
fIN = 70 MHz
fIN = 128 MHz
25°C
25°C
Full
25°C
25°C
−96
−98
−94
−89
−83
dBc
dBc
dBc
dBc
dBc
fIN = 200 MHz
TWO-TONE INTERMODULATION DISTORTION (IMD)—AIN1 AND AIN2 = −7.0 dBFS
fIN1 = 70.5 MHz, fIN2 = 72.5 MHz
CROSSTALK2
CROSSTALK (OVERRANGE CONDITION)3
POWER SUPPLY REJECTION RATIO (PSRR)4
AVDD
25°C
25°C
25°C
−90
91
dBc
dB
87
dB
25°C
25°C
25°C
31
79
dB
dB
DRVDD
ANALOG INPUT BANDWIDTH, FULL POWER
650
MHz
1 See the AN-835 Application Note, Understanding High Speed ADC Testing and Evaluation, for definitions and for details on how these tests were completed.
2 Crosstalk is measured at 70 MHz with −1.0 dBFS analog input on one channel and no input on the adjacent channel.
3 Overrange condition is defined as the input being 3 dB above full scale.
4 PSRR is measured by injecting a sinusoidal signal at 10 MHz to the power supply pin and measuring the output spur on the FFT. PSRR is calculated as the ratio of the
amplitudes of the spur voltage over the pin voltage, expressed in decibels.
Rev. 0 | Page 5 of 40
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