AD9652_17 Datasheet, PDF (5/37 Pages) Analog Devices – Analog-to-Digital Converter (ADC)

AD9652
Data Sheet
ADC AC SPECIFICATIONS
AVDD3 = 3.3 V, AVDD = AVDD_CLK = 1.8 V, SPIVDD = DRVDD = 1.8 V, sample rate = 310 MSPS (clock input = 1240 MHz, AD9652
divided by 4), VIN = −1.0 dBFS differential input, 2.5 V p-p full-scale input range, DCS enabled, dither disabled, unless otherwise noted.
Table 2.
Parameter¹
DIFFERENTIAL INPUT VOLTAGE
SIGNAL-TO-NOISE RATIO (SNR)
fIN = 30 MHz (Use Nyquist 1 Settings)
fIN = 70 MHz (Use Nyquist 1 Settings)
fIN = 70 MHz (Use Nyquist 1 Settings, with Dither Enabled)
fIN = 170 MHz (Use Nyquist 2 Settings)
fIN = 170 MHz (Use Nyquist 2 Settings, with Dither Enabled)
fIN = 305 MHz (Use Nyquist 2 Settings)
fIN = 400 MHz (Use Nyquist 3 Settings)
SIGNAL-TO-NOISE AND DISTORTION (SINAD)
fIN = 30 MHz (Use Nyquist 1 Settings)
fIN = 70 MHz (Use Nyquist 1 Settings)
fIN = 70 MHz (Use Nyquist 1 Settings, with Dither Enabled)
fIN = 170 MHz (Use Nyquist 2 Settings)
fIN = 170 MHz (Use Nyquist 2 Settings, with Dither Enabled)
fIN = 305 MHz (Use Nyquist 2 Settings)
fIN = 400 MHz (Use Nyquist 3 Settings)
EFFECTIVE NUMBER OF BITS (ENOB)
fIN = 30 MHz (Use Nyquist 1 Settings)
fIN = 70 MHz (Use Nyquist 1 Settings)
fIN = 70 MHz (Use Nyquist 1 Settings, with Dither Enabled)
fIN = 170 MHz (Use Nyquist 2 Settings)
fIN = 170 MHz (Use Nyquist 2 Settings, with Dither Enabled)
fIN = 305 MHz (Use Nyquist 2 Settings)
fIN = 400 MHz (Use Nyquist 3 Settings)
WORST SECOND OR THIRD HARMONIC
fIN = 30 MHz (Use Nyquist 1 Settings)
fIN = 70 MHz (Use Nyquist 1 Settings)
fIN = 70 MHz (Use Nyquist 1 Settings, with Dither Enabled)
fIN = 170 MHz (Use Nyquist 2 Settings)
fIN = 170 MHz (Use Nyquist 2 Settings, with Dither Enabled)
fIN = 305 MHz (Use Nyquist 2 Settings)
fIN = 400 MHz (Use Nyquist 3 Settings)
SPURIOUS-FREE DYNAMIC RANGE (SFDR)
fIN = 30 MHz (Use Nyquist 1 Settings)
fIN = 70 MHz (Use Nyquist 1 Settings)
fIN = 70 MHz (Use Nyquist 1 Settings. with Dither Enabled)
fIN = 170 MHz (Use Nyquist 2 Settings)
fIN = 170 MHz (Use Nyquist 2 Settings, with Dither Enabled)
fIN = 305 MHz (Use Nyquist 2 Settings)
fIN = 400 MHz (Use Nyquist 3 Settings)
Temperature
25°C
25°C
25°C
Full
25°C
25°C
25°C
25°C
25°C
25°C
25°C
Full
25°C
25°C
25°C
25°C
25°C
25°C
25°C
Full
25°C
25°C
25°C
25°C
25°C
25°C
25°C
Full
25°C
25°C
25°C
25°C
25°C
25°C
25°C
Full
25°C
25°C
25°C
25°C
25°C
VREF = 1 V
Min Typ Max
2.0
VREF = 1.25 V, Default
Min Typ Max
2.5
Unit
V p-p
74.0
75.4
73.6
74.0 75.0
73.3
73.1
74.3
72.1
73.7
71.2
72.0
70.1
70.7
67.9
68.0
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
72.8
74.2
73.5
73.8 74.6
73.2
73.0
74.0
72.0
72.6
71.1
71.7
68.5
65.8
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
11.8
12.0
Bits
12
12.0 12.1
Bits
11.9
Bits
11.8
12.0
Bits
11.7
11.8
Bits
11.5
11.6
Bits
11.1
Bits
10.6
Bits
−96
−94
dBc
−90
−87
−83 dBc
−83 dBc
−92
−89
dBc
−87
−85
dBc
−87
−85
dBc
−89
−86
dBc
−80
−77
dBc
96
94
dBc
90
83
87
dBc
83
dBc
92
89
dBc
84
85
dBc
87
85
dBc
89
86
dBc
80
77
dBc
Rev. B | Page 4 of 36