AD9235(RevB) 查看數據表（PDF） - Analog Devices
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AD9235 Datasheet PDF : 32 Pages
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Typical Performance Characteristics
AD9235
(AVDD = 3.0 V, DRVDD = 2.5 V, fSAMPLE = 65 MSPS with DCS Disabled, TA = 25؇C, 2 V Differential Input, AIN = –0.5 dBFS, VREF = 1.0 V,
unless otherwise noted.)
0
SNR = 70.3dBc
SINAD = 70.2dBc
–20
ENOB = 11.4 BITS
THD = –86.3dBc
SFDR = 89.9dBc
–40
–60
–80
–100
–120
0.0
6.5
13.0
19.5
26.0
32.5
FREQUENCY (MHz)
TPC 1. Single Tone 8K FFT with fIN = 10 MHz
0
SNR = 69.4dBc
SINAD = 69.1dBc
ENOB = 11.2 BITS
–20
THD = –81.0dBc
SFDR = 83.8dBc
–40
–60
–80
–100
–120
65.0
71.5
78.0
84.5
91.0
FREQUENCY (MHz)
TPC 2. Single Tone 8K FFT with fIN = 70 MHz
100
95 SFDR (2V DIFF)
90
85
80
SNR (2V SE)
75
70
65
SNR (2V DIFF)
60
55
SFDR (2V SE)
50
40
45
50
55
60
65
SAMPLE RATE (MSPS)
TPC 4. AD9235-65: Single Tone SNR/SFDR vs. fCLK with
fIN = Nyquist (32.5 MHz)
100
95
90
85
80
75
70
65
60
55
50
20
SFDR (2V DIFF)
SNR (2V SE)
SNR (2V DIFF)
SFDR (2V SE)
25
30
35
40
SAMPLE RATE (MSPS)
TPC 5. AD9235-40: Single Tone SNR/SFDR vs. fCLK with
fIN = Nyquist (20 MHz)
0
SNR = 68.5dBc
SINAD = 66.5dBc
ENOB = 10.8 BITS
–20
THD = –71.0dBc
SFDR = 71.2dBc
–40
–60
–80
–100
–120
97.5
104.0
110.5
117.0
FREQUENCY (MHz)
123.5
130.0
TPC 3. Single Tone 8K FFT with fIN = 100 MHz
100
95
SFDR (2V DIFF)
90
85
SFDR (2V SE)
80
75 SNR (2V SE)
70
65
SNR (2V DIFF)
60
55
50
0
5
10
15
20
SAMPLE RATE (MSPS)
TPC 6. AD9235-20: Single Tone SNR/SFDR vs. fCLK with
fIN = Nyquist (10 MHz)
REV. B
–9–
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