AD6653 查看數據表（PDF） - Analog Devices
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AD6653 Datasheet PDF : 80 Pages
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AD6653
ADC AC SPECIFICATIONS
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 2.
Parameter1
AD6653BCPZ-125
AD6653BCPZ-150
Temperature Min
Typ
Max
Min
Typ
Max
Unit
SIGNAL-TO-NOISE-RATIO (SNR)
fIN = 2.4 MHz
25°C
71.0
70.9
dB
fIN = 70 MHz
25°C
70.8
70.8
dB
Full
69.8
69.4
dB
fIN = 140 MHz
25°C
70.6
70.6
dB
fIN = 220 MHz
25°C
70.2
70.0
dB
WORST SECOND OR THIRD HARMONIC
fIN = 2.4 MHz
25°C
−85
−84
dBc
fIN = 70 MHz
25°C
−84
−83
dBc
Full
−74
−73
dBc
fIN = 140 MHz
25°C
−83
−82
dBc
fIN = 220 MHz
25°C
−81
−77
dBc
SPURIOUS-FREE DYNAMIC RANGE (SFDR)
fIN = 2.4 MHz
25°C
85
84
dBc
fIN = 70 MHz
25°C
84
83
dBc
Full
74
73
dBc
fIN = 140 MHz
25°C
83
82
dBc
fIN = 220 MHz
25°C
81
77
dBc
WORST OTHER HARMONIC OR SPUR2
fIN = 2.4 MHz
25°C
−92
−90
dBc
fIN = 70 MHz
25°C
−90
−87
dBc
Full
−82
−80
dBc
fIN = 140 MHz
25°C
−88
−83
dBc
fIN = 220 MHz
25°C
−84
−78
dBc
TWO-TONE SFDR
fIN = 29.12 MHz, 32.12 MHz (−7 dBFS) 25°C
85
85
dBc
fIN = 169.12 MHz, 172.12 MHz (−7 dBFS) 25°C
81
CROSSTALK3
Full
95
81
dBc
95
dB
ANALOG INPUT BANDWIDTH
25°C
650
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 AD6653.
3 Crosstalk is measured at 100 MHz with −1 dBFS on one channel and with no input on the alternate channel.
Rev. 0 | Page 6 of 80
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