參數(shù)資料
型號(hào): AD9257BCPZRL7-65
廠商: Analog Devices Inc
文件頁(yè)數(shù): 3/40頁(yè)
文件大?。?/td> 0K
描述: IC ADC 14BIT SRL 65MSPS 64LFCSP
標(biāo)準(zhǔn)包裝: 750
位數(shù): 14
采樣率(每秒): 65M
數(shù)據(jù)接口: 串行,SPI?
轉(zhuǎn)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(yīng)商設(shè)備封裝: 64-LFCSP-VQ(9x9)
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 8 個(gè)差分
Data Sheet
AD9257
Rev. A | Page 11 of 40
TYPICAL PERFORMANCE CHARACTERISTICS
0
–15
–30
–45
–75
–60
–105
–90
–120
–135
3
6
9
12
15
18
21
24
27
30
A
MPL
IT
U
D
E
(d
B
F
S)
FREQUENCY (MHz)
65MSPS
9.7MHz AT –1dBFS
SNR = 74.7dB (75.7dBFS)
SFDR = 93.5dBc
10206-
006
Figure 6. Single-Tone 16k FFT with fIN = 9.7 MHz, fSAMPLE = 65 MSPS
0
–15
–30
–45
–75
–60
–105
–90
–120
–135
3
6
9
12
15
18
21
24
27
30
A
MPL
IT
U
D
E
(d
B
F
S)
FREQUENCY (MHz)
65MSPS
63.5MHz AT –1dBFS
SNR = 73.9dB (74.9dBFS)
SFDR = 95.4dBc
10206-
007
Figure 7. Single-Tone 16k FFT with fIN = 63.5 MHz, fSAMPLE = 65 MSPS, CLK
Divider = 8
0
–15
–30
–45
–75
–60
–105
–90
–120
–135
3
6
9
12
15
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21
24
27
30
A
MPL
IT
U
D
E
(d
B
F
S)
FREQUENCY (MHz)
10206-
008
2F1 + F2
2F1 – F2
2F2 + F1
2F2 – F1
F2 – F1
F1 + F2
Figure 8. Two-Tone 16k FFT with fIN1 = 30 MHz and fIN2 = 32 MHz,
fSAMPLE = 65 MSPS
0
–15
–30
–45
–75
–60
–105
–90
–120
–135
3
6
9
12
15
18
21
24
27
30
A
MPL
IT
U
D
E
(d
B
F
S)
FREQUENCY (MHz)
65MSPS
19.7MHz AT –1dBFS
SNR = 74.7dB (75.7dBFS)
SFDR = 96.7dBc
10206-
009
Figure 9. Single-Tone 16k FFT with fIN = 19.7 MHz, fSAMPLE = 65 MSPS, CLK
Divider = 8
0
–15
–30
–45
–75
–60
–105
–90
–120
–135
3
6
9
12
15
18
21
24
27
30
A
MPL
IT
U
D
E
(d
B
F
S)
FREQUENCY (MHz)
65MSPS
30.5MHz AT –1dBFS
SNR = 74.7dB (75.7dBFS)
SFDR = 96.7dBc
10206-
109
Figure 10. Single-Tone 16k FFT with fIN = 30.5 MHz, fSAMPLE = 65 MSPS, CLK
Divider = 8
0
–15
–30
–45
–75
–60
–105
–90
–120
–135
3
6
9
12
15
18
21
24
27
30
A
MPL
IT
U
D
E
(d
B
F
S)
FREQUENCY (MHz)
65MSPS
123.4MHz AT –1dBFS
SNR = 72.2dB (73.2dBFS)
SFDR = 83.0dBc
10206-
010
Figure 11. Single-Tone 16k FFT with fIN = 123.4 MHz, fSAMPLE = 65 MSPS, CLK
Divider = 8
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