DUT = AD9245-80, AVDD = 3.0 V, DRVDD = 2.5 V, maximum sa" />
參數(shù)資料
型號(hào): AD9245BCPZ-20
廠商: Analog Devices Inc
文件頁(yè)數(shù): 5/32頁(yè)
文件大?。?/td> 0K
描述: IC ADC 14BIT SGL 20MSPS 32LFCSP
標(biāo)準(zhǔn)包裝: 1
位數(shù): 14
采樣率(每秒): 20M
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 3
功率耗散(最大): 90mW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 32-VFQFN 裸露焊盤(pán),CSP
供應(yīng)商設(shè)備封裝: 32-LFCSP-VQ(5x5)
包裝: 托盤(pán)
輸入數(shù)目和類(lèi)型: 2 個(gè)單端,單極;1 個(gè)差分,單極
Data Sheet
AD9245
Rev. E | Page 13 of 32
TYPICAL PERFORMANCE CHARACTERISTICS
DUT = AD9245-80, AVDD = 3.0 V, DRVDD = 2.5 V, maximum sample rate, DCS disabled, TA = 25°C, 2 V p-p differential input,
AIN = 0.5 dBFS, VREF = 1.0 V external, unless otherwise noted.
FREQUENCY (MHz)
AMPLITUDE
(
d
BFS)
0
5
10
15
20
25
30
35
–120
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
40
0358
3-
032
AIN = –0.5dBFS
SNR = 73.2dBc
ENOB = 11.8 BITS
SFDR = 92.8dBc
Figure 8. Single Tone 8K FFT @ 2.5 MHz
FREQUENCY (MHz)
AMPLITUDE
(dBFS)
0
5
10
15
20
25
30
35
–120
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
40
0358
3-
023
AIN = –0.5dBFS
SNR = 72.7dBc
ENOB = 11.8 BITS
SFDR = 87.6dBc
Figure 9. Single Tone 8K FFT @ 39 MHz
FREQUENCY (MHz)
AMPLITUDE
(dBFS)
0
5
10
15
20
25
30
35
–120
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
40
0358
3-024
AIN = –0.5dBFS
SNR = 71.7dBc
ENOB = 11.5 BITS
SFDR = 81.6dBc
Figure 10. Single Tone 8K FFT @ 70 MHz
INPUT AMPLITUDE (dBFS)
SNR/SFDR
(dBc
AND
dBFS)
–30
–25
–20
–15
–10
–5
40
50
60
70
80
90
100
0
0358
3-
033
SFDR (dBFS)
SNR (dBc)
SFDR = 90dBc
REFERENCE LINE
SFDR (dBc)
SNR (dBFS)
Figure 11. Single Tone SNR/SFDR vs. Input Amplitude (AIN) @ 2.5 MHz
INPUT AMPLITUDE (dBFS)
SNR/SFDR
(dBc
AND
dBFS)
–30
–25
–20
–15
–10
–5
40
50
60
70
80
90
100
0
0358
3-034
SFDR (dBFS)
SNR (dBc)
SFDR = 90dBc
REFERENCE LINE
SFDR (dBc)
SNR (dBFS)
Figure 12. Single Tone SNR/SFDR vs. Input Amplitude (AIN) @ 39 MHz
SAMPLE RATE (MSPS)
SNR/SFDR
(
d
Bc)
0
2040
6080
50
60
70
80
90
100
0358
3-
025
SFDR (DIFF)
SFDR (SE)
SNR (DIFF)
SNR (SE)
Figure 13. SNR/SFDR vs. Sample Rate @ 40 MHz
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