AD6655 데이터 시트보기 (PDF) - Analog Devices
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AD6655 Datasheet PDF : 84 Pages
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AD6655
ADC AC SPECIFICATIONS—AD6655BCPZ-80/AD6655BCPZ-105
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 3.
AD6655BCPZ-80
Parameter1
Temperature Min
Typ
Max
SIGNAL-TO-NOISE-RATIO (SNR)
fIN = 2.4 MHz
25°C
74.9
fIN = 70 MHz
25°C
74.8
Full
73.0
fIN = 140 MHz
25°C
74.5
fIN = 220 MHz
25°C
73.4
WORST SECOND OR THIRD HARMONIC
fIN = 2.4 MHz
fIN = 70 MHz
25°C
−86
25°C
−85
Full
−74
fIN = 140 MHz
fIN = 220 MHz
25°C
−84
25°C
−83
SPURIOUS-FREE DYNAMIC RANGE
(SFDR)
fIN = 2.4 MHz
fIN = 70 MHz
25°C
25°C
Full
86
85
74
fIN = 140 MHz
25°C
84
fIN = 220 MHz
25°C
83
WORST OTHER HARMONIC OR SPUR2
fIN = 2.4 MHz
fIN = 70 MHz
25°C
−93
25°C
−90
Full
−82
fIN = 140 MHz
fIN = 220 MHz
25°C
−89
25°C
−86
TWO-TONE SFDR
fIN = 29.12 MHz, 32.12 MHz (−7 dBFS) 25°C
85
fIN = 169.12 MHz, 172.12 MHz (−7 dBFS) 25°C
81
CROSSTALK3
Full
95
ANALOG INPUT BANDWIDTH
25°C
650
AD6655BCPZ-105
Min
Typ
Max
Unit
74.8
74.7
73.0
74.3
73.4
−86
−85
−84
−83
dB
dB
dB
dB
dB
dBc
dBc
−74
dBc
dBc
dBc
86
dBc
85
dBc
74
dBc
84
dBc
83
dBc
−93
dBc
−90
dBc
−82
dBc
−89
dBc
−86
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 7 of 84
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