AD6655 데이터 시트보기 (PDF) - Analog Devices
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AD6655 Datasheet PDF : 84 Pages
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AD6655
ADC AC SPECIFICATIONS—AD6655BCPZ-125/AD6655BCPZ-150
AVDD = 1.8 V, DVDD = 1.8 V, DRVDD = 1.8 V, maximum sample rate, VIN = −1.0 dBFS differential input, 1.0 V internal reference,
DCS enabled, NCO enabled, half-band filter enabled, FIR filter enabled, unless otherwise noted.
Table 4.
Parameter1
SIGNAL-TO-NOISE-RATIO (SNR)
fIN = 2.4 MHz
fIN = 70 MHz
fIN = 140 MHz
fIN = 220 MHz
WORST SECOND OR THIRD HARMONIC
fIN = 2.4 MHz
fIN = 70 MHz
fIN = 140 MHz
fIN = 220 MHz
SPURIOUS-FREE DYNAMIC RANGE (SFDR)
fIN = 2.4 MHz
fIN = 70 MHz
fIN = 140 MHz
fIN = 220 MHz
WORST OTHER HARMONIC OR SPUR2
fIN = 2.4 MHz
fIN = 70 MHz
fIN = 140 MHz
fIN = 220 MHz
TWO-TONE SFDR
fIN = 29.12 MHz, 32.12 MHz (−7 dBFS)
fIN = 169.12 MHz, 172.12 MHz (−7 dBFS)
CROSSTALK3
ANALOG INPUT BANDWIDTH
AD6655BCPZ-125
Temperature Min
Typ
Max
25°C
74.7
25°C
74.6
Full
73.0
25°C
74.2
25°C
73.3
25°C
−86
25°C
−85
Full
−73
25°C
−84
25°C
−83
25°C
86
25°C
85
Full
73
25°C
84
25°C
83
25°C
−92
25°C
−90
Full
−82
25°C
−88
25°C
−84
25°C
85
25°C
81
Full
95
25°C
650
AD6655BCPZ-150
Min
Typ
Max Unit
74.6
dB
74.5
dB
72.5
dB
73.9
dB
73.0
dB
−85
dBc
−84
dBc
−73
dBc
−83
dBc
−77
dBc
85
dBc
80
dBc
73
dBc
76
dBc
74
dBc
−87
dBc
−80
dBc
−80
dBc
−76
dBc
−74
dBc
85
dBc
81
dBc
95
dB
650
MHz
1 See Application Note AN-835, Understanding High Speed ADC Testing and Evaluation, for a complete set of definitions.
2 See the Applications Information section for more information about the worst other specifications for the AD6655.
3 Crosstalk is measured at 100 MHz with −1 dBFS on one channel and with no input on the alternate channel.
Rev. 0 | Page 8 of 84
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