參數(shù)資料
型號: AD6645ASVZ-105
廠商: Analog Devices Inc
文件頁數(shù): 2/24頁
文件大?。?/td> 0K
描述: IC ADC 14BIT 105MSPS 52TQFP
設計資源: Low Jitter Sampling Clock Generator for High Performance ADCs Using AD9958/9858 and AD9515 (CN0109)
標準包裝: 1
位數(shù): 14
采樣率(每秒): 105M
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 4
功率耗散(最大): 1.75W
電壓電源: 模擬和數(shù)字
工作溫度: -10°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 52-TQFP 裸露焊盤
供應商設備封裝: 52-TQFP-EP(10x10)
包裝: 托盤
輸入數(shù)目和類型: 1 個差分,雙極
AD6645
Rev. D | Page 10 of 24
FREQUENCY (MHz)
S
NR
(
d
B)
72.0
72.5
73.0
73.5
74.0
74.5
75.0
75.5
0
10
20
30405060
70
T = –40°C
T = +85°C
T = +25°C
ENCODE = 80MSPS @ AIN = –1dBFS
TEMP = –40°C, +25°C, +85°C
02
64
7-
0
16
Figure 10. Signal-to-Noise Ratio (SNR) vs. Frequency
ANALOG INPUT FREQUENCY (MHz)
W
O
RS
T
-CAS
E
HAR
M
O
NI
C
(
d
B
c)
80
82
84
86
88
90
92
94
T = +25°C
T = –40°C, +85°C
ENCODE = 80MSPS @ AIN = –1dBFS
TEMP = –40°C, +25°C, +85°C
0
10
203040506070
0
26
47
-0
17
Figure 11. Worst-Case Harmonics vs. Analog Input Frequency
ANALOG FREQUENCY (MHz)
S
NR
(
d
B)
70
71
72
73
74
75
76
0
20
40
60
80
100
120
140
160
180
200
ENCODE = 80MSPS @ AIN = –1dBFS
TEMP = 25°C
02
64
7-
0
18
Figure 12. Signal-to-Noise Ratio (SNR) vs. Analog Frequency (IF)
ANALOG FREQUENCY (MHz)
H
ARM
O
N
IC
S
(
d
Bc)
60
65
70
80
90
100
75
85
95
WORST OTHER SPUR
HARMONICS
(SECOND, THIRD)
ENCODE = 80MSPS @ AIN = –1dBFS
TEMP = 25°C
0
20
40
60
80
100
120
140
160
180
200
02
64
7-
0
19
Figure 13. Harmonics vs. Analog Frequency (IF)
ANALOG INPUT POWER LEVEL (dBFS)
W
O
RS
T
-CAS
E
S
P
URI
O
U
S
(
d
B
F
S
AN
D
d
B
c)
0
10
20
30
40
50
60
70
80
90
100
110
dBc
120
dBFS
ENCODE = 80MSPS
AIN = 30.5MHz
SFDR = 90dB
REFERENCE LINE
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
02
64
7-
02
0
Figure 14. Single-Tone SFDR @ 30.5 MHz
ANALOG INPUT POWER LEVEL (dBFS)
W
O
RS
T
CAS
E
S
P
URI
O
U
S
(
d
BF
S
AND
d
B
c)
0
10
20
30
40
50
60
70
80
90
100
110
dBc
120
dBFS
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
SFDR = 90dB
REFERENCE LINE
ENCODE = 80MSPS
AIN = 69.1MHz
0
26
47
-02
1
Figure 15. Single-Tone SFDR @ 69.1 MHz
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