AVDD = DVDD = VIO = 2.5 V, BVDD = 5.0 V, VRE" />
參數(shù)資料
型號： AD7986BCPZ-RL7
廠商： Analog Devices Inc
文件頁數(shù)： 28/28頁
文件大小： 0K
描述： IC ADC 18BIT 2MSPS SAR 20LFCSP
產(chǎn)品培訓(xùn)模塊： Motor Control
標(biāo)準(zhǔn)包裝： 1,500
位數(shù)： 18
采樣率（每秒）： 2M
數(shù)據(jù)接口： MICROWIRE?，QSPI?，串行，SPI?
轉(zhuǎn)換器數(shù)目： 1
功率耗散（最大）： 34mW
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： 20-VFQFN 裸露焊盤，CSP
供應(yīng)商設(shè)備封裝： 20-LFCSP-VQ
包裝： 帶卷 (TR)
輸入數(shù)目和類型： 1 個差分，雙極
AD7986
Rev. B | Page 9 of 28
TYPICAL PERFORMANCE CHARACTERISTICS
AVDD = DVDD = VIO = 2.5 V, BVDD = 5.0 V, VREF = 5.0 V, external reference (PDREF = high, REFIN = low), unless otherwise noted.
0
65,536
131,072
196,608
262,144
–2.5
–2.0
–1.5
–1.0
–0.5
0
0.5
1.0
1.5
2.0
2.5
CODE
IN
L
(L
SB
)
POSITIVE INL = +1.57LSB
NEGATIVE INL = –1.25LSB
07956-
005
Figure 5. Integral Nonlinearity vs. Code
0
101
1661
8250
35,204
41,811
34,894
7662
1418
68
3
0
5000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
45,000
3FF6
3FF8
3FFA
3FFC
3FFE
0
CO
UNT
S
CODE IN HEX
07956-
006
Figure 6. Histogram of DC Input at Code Center (External Reference)
0
1
55
547
407 35
0
5000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
45,000
3FFEC
3FFEE
3FF0
3FF2
3FF4
3FF6
3FF8
CO
UNT
S
CODE IN HEX
3662
12,773
31,020
39,395
29,138
2932
11,107
07956-
007
Figure 7. Histogram of DC Input at Code Center (Internal Reference)
0
65,536
131,072
196,608
262,144
–2.0
–1.5
–1.0
–0.5
0
0.5
1.0
1.5
2.0
CODE
DN
L
(L
SB
)
POSITIVE DNL = +0.54LSB
NEGATIVE DNL = –0.60LSB
07956-
008
Figure 8. Differential Nonlinearity vs. Code
0
4
142
34
1
0
5000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
45,000
3FF5
3FF7
3FF9
3FFB
3FFD
3FFF
1
CO
UNT
S
CODE IN HEX
10,211
38,665
41,434
30,897
2283
6399
1002
07956-
009
Figure 9. Histogram of DC Input at Code Transition (External Reference)
0
1
3 150
1282
6513
6879
1438
165 16
0
5000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
3FFEB 3FFED 3FFEF
3FF1
3FF3
3FF5
3FF7
3FF9
CO
UNT
S
CODE IN HEX
18,953
22,077
37,385
36,210
07956-
010
Figure 10. Histogram of DC Input at Code Transition (Internal Reference)
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