AD9267 Просмотр технического описания (PDF) - Analog Devices
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AD9267 Datasheet PDF : 24 Pages
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AD9267
AC SPECIFICATIONS
All power supplies set to 1.8 V, 640 MHz sample rate, 0.5 V internal reference, PLL disabled, AIN1 = −2.0 dBFS, unless otherwise noted.
Table 2.
Parameter2
SIGNAL-TO-NOISE RATIO (SNR)
fIN = 2.4 MHz
fIN = 4.2 MHz
fIN = 8.4 MHz
SPURIOUS-FREE DYNAMIC RANGE (WORST SECOND OR THIRD HARMONIC)3
fIN = 2.4 MHz
fIN = 4.2 MHz
fIN = 8.4 MHz
NOISE SPECTRAL DENSITY
AIN = −2 dBFS
AIN = −40 dBFS
NOISE FIGURE2, 4
AIN = −2 dBFS
AIN = −40 dBFS
TWO-TONE SFDR
fIN1 = 1.8 MHz @ −8 dBFS, fIN2 = 2.1 MHz @ −8 dBFS
fIN1 = 3.7 MHz @ −8 dBFS, fIN2 = 4.2 MHz @ −8 dBFS
fIN1 = 7.2 MHz @ −8 dBFS, fIN2 = 8.4 MHz @ −8 dBFS
ANALOG INPUT BANDWIDTH
Temp
Full
25°C
25°C
Full
25°C
25°C
Full
Full
25°C
25°C
25°C
25°C
25°C
25°C
Min
Typ
Max
Unit
81
83
dB
83
dB
83
dB
−88
−80
dBc
−88
dBc
<−120
dBc
−155
−156
−153
−155
dBFS/Hz
dBFS/Hz
16
dB
15
dB
−89.5
dBc
−93
dBc
−87
dBc
10
MHz
1 Input power is referenced to full scale. Therefore, all measurements were taken with a 2 dB signal below full scale, unless otherwise noted.
2 See the AN-835 Application Note, Understanding High Speed ADC Testing and Evaluation, for a complete set of definitions.
3 Spurious-free dynamic range excluding the second or third harmonic is limited by the FFT size, <−120 dBFS.
4 Noise figure with respect to 50 Ω. AD9267 internal impedance is 1000 Ω differential. See the AN-835 for a definition.
Rev. 0 | Page 4 of 24
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