參數(shù)資料
型號: AD9643BCPZ-210
廠商: ANALOG DEVICES INC
元件分類: ADC
英文描述: 2-CH 14-BIT FLASH METHOD ADC, PARALLEL ACCESS, QCC64
封裝: 9 X 9 MM, ROHS COMPLIANT, MO-220VMMD-4, LFCSP-64
文件頁數(shù): 9/36頁
文件大小: 1659K
代理商: AD9643BCPZ-210
AD9643
Rev. A | Page 17 of 36
0
–20
–40
–60
–80
–100
–120
–7.0
–21.0
–32.5
–44.0
–55.5
–67.0
–78.5
–90.0
INPUT AMPLITUDE (dBFS)
S
F
DR/
IM
D3
(
d
B
cAN
D
d
BF
S
)
09
63
6-
0
19
SFDR (dBFS)
IMD3 (dBc)
IMD3 (dBFS)
SFDR (dBc)
Figure 12. AD9643-170 Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN) with
fIN1 = 184.12, fIN2 = 187.12 MHz, fS = 170 MSPS
0
–20
–40
–60
–80
–100
–120
–140
10
020
30
40
50
60
70
80
FREQUENCY (MHz)
AM
P
L
IT
UD
E
(
d
BF
S
)
09
63
6-
02
0
170MSPS
89.12MHz @ –7dBFS
92.12MHz @ –7dBFS
SFDR = 89dBc (96dBFS)
Figure 13. AD9643-170 Two-Tone FFT with fIN1 = 89.12, fIN2 = 92.12 MHz,
fS = 170 MSPS
0
–20
–40
–60
–80
–100
–120
–140
10
020
30
40
50
60
70
80
FREQUENCY (MHz)
AM
P
L
IT
UD
E
(
d
BF
S
)
09
63
6-
02
1
170MSPS
184.12MHz @ –7dBFS
187.12MHz @ –7dBFS
SFDR = 84dBc (91dBFS)
Figure 14. AD9643-170 Two-Tone FFT with fIN1 = 184.12, fIN2 = 187.12 MHz,
fS = 170 MSPS
100
95
90
85
80
75
70
130 140 150 160
120
110
100
90
80
70
60
50
40
170
SAMPLE RATE (MSPS)
S
NR
/S
F
DR
(d
Bc
AND
d
B
F
S
)
09
63
6-
0
22
SFDR, CHANNEL B
SNR, CHANNEL B
SFDR, CHANNEL A
SNR, CHANNEL A
Figure 15. AD9643-170 Single-Tone SNR/SFDR vs. Sample Rate (fS)
with fIN = 90.1 MHz
6000
5000
4000
3000
2000
1000
0
N + 2 N + 3 N + 4 N + 5
N + 1
N
N – 1
N – 2
N – 3
N – 4
N – 5
OUTPUT CODE
NUM
BE
R
O
F
H
IT
S
09
63
6-
0
23
1.34LSB rms
16,379 TOTAL HITS
Figure 16. AD9643-170 Grounded Input Histogram
0
–20
THIRD HARMONIC
SECOND HARMONIC
–40
–60
–80
–100
–120
–140
10
020
30
40
50
60
70
80
90
100
FREQUENCY (Hz)
AM
P
L
IT
UDE
(
d
BF
S
)
0
963
6-
0
24
210MSPS
90.1MHz @ –1dBFS
SNR = 70.6dB (71.6dBFS)
SFDR = 88dBc
Figure 17. AD9643-210 Single-Tone FFT with fIN = 90.1 MHz
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