參數(shù)資料
型號: AD9257BCPZRL7-65
廠商: Analog Devices Inc
文件頁數(shù): 6/40頁
文件大?。?/td> 0K
描述: IC ADC 14BIT SRL 65MSPS 64LFCSP
標準包裝: 750
位數(shù): 14
采樣率(每秒): 65M
數(shù)據(jù)接口: 串行,SPI?
轉換器數(shù)目: 8
功率耗散(最大): 547mW
電壓電源: 模擬和數(shù)字
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 64-VFQFN 裸露焊盤,CSP
供應商設備封裝: 64-LFCSP-VQ(9x9)
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 8 個差分
AD9257
Data Sheet
Rev. A | Page 14 of 40
0
–15
–30
–45
–75
–60
–105
–90
–120
–135
2
4
6
8
10
12
14
16
18
A
MPL
IT
U
D
E
(d
B
F
S)
FREQUENCY (MHz)
40MSPS
9.7MHz AT –1dBFS
SNR = 74.8dB (75.8dBFS)
SFDR = 96.9dBc
10206-
020
Figure 21. Single-Tone 16k FFT with fIN = 9.7 MHz, fSAMPLE = 40 MSPS
2
4
6
8
10
12
14
16
18
0
–15
–30
–45
–75
–60
–105
–90
–120
–135
A
MPL
IT
U
D
E
(d
B
F
S)
FREQUENCY (MHz)
40MSPS
30.5MHz AT –1dBFS
SNR = 74.6dB (75.6dBFS)
SFDR = 98.8dBc
10206-
021
Figure 22. Single-Tone 16k FFT with fIN = 30.5 MHz, fSAMPLE = 40 MSPS, CLK
Divider = 8
2
4
6
8
10
12
14
16
18
0
–15
–30
–45
–75
–60
–105
–90
–120
–135
A
MPL
IT
U
D
E
(d
B
F
S)
FREQUENCY (MHz)
10206-
022
F2 – F1
2F2 – F1
+
2F1 – F2
2F1 + F2
2F2 + F1
F1 + F2
Figure 23. Two-Tone 16k FFT with fIN1 = 8 MHz and fIN2 = 10 MHz,
fSAMPLE = 40 MSPS
2
4
6
8
10
12
14
16
18
0
–15
–30
–45
–75
–60
–105
–90
–120
–135
A
MPL
IT
U
D
E
(d
B
F
S)
FREQUENCY (MHz)
40MSPS
19.7MHz AT –1dBFS
SNR = 74.9dB (75.9dBFS)
SFDR = 94.6dBc
10206-
023
Figure 24. Single-Tone 16k FFT with fIN = 19.7 MHz, fSAMPLE = 40 MSPS, CLK
Divider = 8
2
4
6
8
10
12
14
16
18
0
–15
–30
–45
–75
–60
–105
–90
–120
–135
A
MPL
IT
U
D
E
(d
B
F
S)
FREQUENCY (MHz)
40MSPS
69.5MHz AT –1dBFS
SNR = 73.7dB (74.7dBFS)
SFDR = 87.9dBc
10206-
024
Figure 25. Single-Tone 16k FFT with fIN = 69.5 MHz, fSAMPLE = 40 MSPS, CLK
Divider = 8
0
–20
–40
–60
–80
–100
–120
–90
–78
–66
–54
–42
–6
–18
–30
S
F
DR/
IM
D3
(
d
Bc/
d
BF
S
)
INPUT AMPLITUDE (dBFS)
SFDR (dBc)
SFDR (dBFS)
IMD3 (dBc)
IMD3 (dBFS)
10206-
025
Figure 26. Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN) with
fIN1 = 30 MHz and fIN2 = 32 MHz, fSAMPLE = 40 MSPS
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