AD9245(RevE) Просмотр технического описания (PDF) - Analog Devices
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AD9245 Datasheet PDF : 32 Pages
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Data Sheet
AD9245
AC SPECIFICATIONS
AVDD = 3 V, DRVDD = 2.5 V, maximum sample rate, 2 V p-p differential input, 1.0 V internal reference, AIN = –0.5 dBFS, DCS off,
unless otherwise noted.
Table 3.
Parameter
SIGNAL-TO-NOISE RATIO (SNR)
fINPUT = 2.4 MHz
fINPUT = 9.7 MHz
fINPUT = 19.6 MHz
fINPUT = 32.5 MHz
fINPUT = 100 MHz
SIGNAL-TO-NOISE RATIO AND DISTORTION (SINAD)
fINPUT = 2.4 MHz
fINPUT = 9.7 MHz
fINPUT = 19.6 MHz
fINPUT = 32.5 MHz
fINPUT = 100 MHz
EFFECTIVE NUMBER OF BITS (ENOB)
fINPUT = 9.7 MHz
fINPUT = 19.6 MHz
fINPUT = 32.5 MHz
WORST HARMONIC (SECOND OR THIRD)
fINPUT = 9.7 MHz
fINPUT = 19.6 MHz
fINPUT = 32.5 MHz
SPURIOUS-FREE DYNAMIC RANGE (SFDR)
fINPUT = 2.4 MHz
fINPUT = 9.7 MHz
fINPUT = 19.6 MHz
fINPUT = 32.5 MHz
fINPUT = 100 MHz
AD9245BCP-20
AD9245BCP-40
AD9245BCP-65
Min Typ Max Min Typ Max Min Typ Max Unit
73.5
73.5
73.1
dBc
70.6 73.3
dBc
70.5 73.4
dBc
70.3 72.7
dBc
70.8
71.3
70.2
dBc
73.4
73.4
73.0
dBc
69.4 73.2
dBc
70.0 73.2
dBc
68.4 72.6
dBc
69.5
69.1
67.9
dBc
11.9
Bits
11.8
Bits
11.7
Bits
–89 –80
–89 –80
dBc
dBc
–83 –74 dBc
92.0
92.0
92.0
dBc
80.0 89.0
dBc
80.0 89.0
dBc
74.0 83.0
dBc
84.0
85.0
80.5
dBc
Rev. E | Page 5 of 32
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