參數(shù)資料
型號: AD9644CCPZ-80
廠商: Analog Devices Inc
文件頁數(shù): 9/44頁
文件大?。?/td> 0K
描述: IC ADC 14BIT 80MSPS 3V 48LFCSP
標(biāo)準(zhǔn)包裝: 1
位數(shù): 14
采樣率(每秒): 80M
數(shù)據(jù)接口: 串行,SPI?
轉(zhuǎn)換器數(shù)目: 2
功率耗散(最大): 460mW
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: 48-VFQFN 裸露焊盤,CSP
供應(yīng)商設(shè)備封裝: 48-LFCSP-VQ(7x7)
包裝: 托盤
輸入數(shù)目和類型: 2 個差分,雙極
Data Sheet
AD9644
Rev. C | Page 17 of 44
120
100
80
60
40
20
0
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
INPUT AMPLITUDE (dBFS)
S
NR/
S
F
DR
(
d
Bc
AND
d
BF
S
)
09180-
129
SNR (dBFS)
SNR (dBc)
SFDR (dBc)
SFDR (dBFS)
Figure 29. AD9644-155 Single-Tone SNR/SFDR vs. Input Amplitude (AIN)
with fIN = 10.1 MHz, fS = 80 MSPS
120
100
80
60
40
20
0
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
INPUT AMPLITUDE (dBFS)
S
NR/
S
F
DR
(
d
Bc
AND
d
BF
S
)
09180-
130
SNR (dBFS)
SNR (dBc)
SFDR (dBc)
SFDR (dBFS)
Figure 30. AD9644-155 Single-Tone SNR/SFDR vs. Input Amplitude (AIN)
with fIN = 180 MHz, fS = 80 MSPS
100
95
90
80
85
75
70
65
0
50
100
150
200
250
300
INPUT FREQUENCY (MHz)
S
NR/
S
F
DR
(
d
BF
S
/d
Bc)
09180-
131
SNR @ –40°C
SFDR @ –40°C
SNR @ +25°C
SFDR @ +25°C
SNR @ +85°C
SFDR @ +85°C
Figure 31. AD9644-155 Single-Tone SNR/SFDR vs. Input Frequency (fIN) and
Temperature with 1.75 V p-p Full-Scale, fS = 80 MSPS
100
95
90
80
85
75
70
65
0
50
100
150
200
250
300
INPUT FREQUENCY (MHz)
S
NR/
S
F
DR
(
d
BF
S
/d
Bc)
09180-
132
SNR @ –40°C
SFDR @ –40°C
SNR @ +25°C
SFDR @ +25°C
SNR @ +85°C
SFDR @ +85°C
Figure 32. AD9644-155 Single-Tone SNR/SFDR vs. Input Frequency (fIN) and
Temperature with 2.0 V p-p Full-Scale, fS = 80 MSPS
0
–20
–40
–60
–80
–100
–120
–90
–78
–66
–54
–42
–30
–18
–6
INPUT AMPLITUDE (dBFS)
S
F
DR/
IM
D3
(
d
Bc
AND
d
BF
S
)
09180-
133
IMD3 (dBc)
SFDR (dBc)
SFDR (dBFS)
IMD3 (dBFS)
Figure 33. AD9644-155 Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN)
with fIN1 = 29.9 MHz, fIN2 = 32.9 MHz, fS = 80 MSPS
0
–20
–40
–60
–80
–100
–120
–90
–78
–66
–54
–42
–30
–18
–6
INPUT AMPLITUDE (dBFS)
S
F
DR/
IM
D3
(
d
Bc
AND
d
BF
S
)
09180-
134
IMD3 (dBc)
SFDR (dBc)
SFDR (dBFS)
IMD3 (dBFS)
Figure 34. AD9644-155 Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN)
with fIN1 = 169.1 MHz, fIN2 = 172.1 MHz, fS = 80 MSPS
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