參數(shù)資料
型號(hào): AD7687BRMZ
廠商: Analog Devices Inc
文件頁數(shù): 2/28頁
文件大?。?/td> 0K
描述: IC ADC 16BIT 250KSPS 10-MSOP
標(biāo)準(zhǔn)包裝: 50
系列: PulSAR®
位數(shù): 16
采樣率(每秒): 250k
數(shù)據(jù)接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 12.5mW
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: 10-TFSOP,10-MSOP(0.118",3.00mm 寬)
供應(yīng)商設(shè)備封裝: 10-MSOP
包裝: 管件
輸入數(shù)目和類型: 1 個(gè)差分,雙極
產(chǎn)品目錄頁面: 778 (CN2011-ZH PDF)
配用: EVAL-AD7687CBZ-ND - BOARD EVALUATION FOR AD7687
AD7687
Data Sheet
Rev. B | Page 10 of 28
TYPICAL PERFORMANCE CHARACTERISTICS
CODE
INL
(LSB)
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
0
16384
32768
49152
65535
02972-
001
POSITIVE INL = +0.32LSB
NEGATIVE INL = –0.41LSB
Figure 7. Integral Nonlinearity vs. Code
02972-
007
COUNTS
300000
250000
150000
200000
100000
50000
0
CODE IN HEX
45
46
47
41
42
43
44
0
1049
0
258680
1391
VDD = REF = 5V
Figure 8. Histogram of a DC Input at the Code Center
FREQUENCY (kHz)
AMPLITUDE
(dB
of
Full
Scale)
0
–20
–40
–60
–80
–100
–120
–160
–140
–180
0
20
40
60
80
100
120
02972-
008
8192 POINT FFT
VDD = REF = 5V
FS = 250KSPS
FIN = 2.1kHz
SNR = 95.5dB
THD = –118.3dB
2nd HARM = –130dB
3rd HARM = –122.7dB
Figure 9. FFT Plot
CODE
DNL
(LSB)
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
0
16384
32768
49152
65535
02972-
009
POSITIVE DNL = +0.27LSB
NEGATIVE DNL = –0.24LSB
Figure 10. Differential Nonlinearity vs. Code
02972-
010
COUNTS
250000
150000
200000
100000
50000
0
CODE IN HEX
49
4A
4C
44
46
47
48
0
45
060
30721
18
4B
00
200403
29918
VDD = REF = 2.5V
Figure 11. Histogram of a DC Input at the Code Center
FREQUENCY (kHz)
AMPLITUDE
(dB
of
Full
Scale)
0
–20
–40
–60
–80
–100
–120
–160
–140
–180
0
20
40
60
80
100
120
02972-
011
32768 POINT FFT
VDD = REF = 2.5V
FS = 250KSPS
FIN = 2kHz
SNR = 92.8dB
THD = –115.9dB
2nd HARM = –124dB
3rd HARM = –119dB
Figure 12. FFT Plot
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