AD9222(Rev0) Просмотр технического описания (PDF) - Analog Devices
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AD9222 Datasheet PDF : 56 Pages
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AD9222
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.
AD9222-40
AD9222-50
Parameter1
Temperature Min Typ Max Min Typ Max Unit
SIGNAL-TO-NOISE RATIO (SNR)
fIN = 2.4 MHz Full
70.3
70.4
dB
fIN = 19.7 MHz Full
69.5 70.3
69.5 70.3
dB
fIN = 35 MHz Full
69.9
70.0
dB
fIN = 70 MHz Full
68.8
69.0
dB
SIGNAL-TO-NOISE AND DISTORTION RATIO (SINAD) fIN = 2.4 MHz Full
70.0
70.0
dB
fIN = 19.7 MHz Full
68.7 70.0
68.5 70.0
dB
fIN = 35 MHz Full
69.5
69.8
dB
fIN = 70 MHz Full
68.0
68.5
dB
EFFECTIVE NUMBER OF BITS (ENOB)
fIN = 2.4 MHz Full
11.38
11.4
Bits
fIN = 19.7 MHz Full
11.25 11.38
11.25 11.38
Bits
fIN = 35 MHz Full
11.32
11.33
Bits
fIN = 70 MHz Full
11.14
11.17
Bits
SPURIOUS-FREE DYNAMIC RANGE (SFDR)
fIN = 2.4 MHz Full
85
85
dBc
fIN = 19.7 MHz Full
73 85
73 84
dBc
fIN = 35 MHz Full
80
83
dBc
fIN = 70 MHz Full
76
77
dBc
WORST HARMONIC (Second or Third)
fIN = 2.4 MHz Full
−85
−85
dBc
fIN = 19.7 MHz Full
−85 −74
−84 −73 dBc
fIN = 35 MHz Full
−80
−83
dBc
fIN = 70 MHz Full
−76
−77
dBc
WORST OTHER (Excluding Second or Third)
fIN = 2.4 MHz Full
−92
−92
dBc
fIN = 19.7 MHz Full
−92 −80
−92 −80 dBc
fIN = 35 MHz Full
−92
−92
dBc
fIN = 70 MHz Full
−90
−90
dBc
TWO-TONE INTERMODULATION DISTORTION (IMD)— fIN1 = 15 MHz, 25°C
80.0
80.0
dBc
AIN1 AND AIN2 = −7.0 dBFS
fIN2 = 16 MHz
fIN1 = 70 MHz, 25°C
77.0
77.0
dBc
fIN2 = 71 MHz
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 56
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