參數(shù)資料
型號(hào): AD7986BCPZ-RL7
廠商: Analog Devices Inc
文件頁數(shù): 2/28頁
文件大?。?/td> 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(gè)差分,雙極
AD7986
Rev. B | Page 10 of 28
0
200k
400k
600k
800k
1M
–180
–200
–160
–140
–120
–100
–80
–60
–40
–20
0
FREQUENCY (Hz)
AM
P
L
IT
UDE
(
d
B)
07956-
111
fS = 2MSPS
fIN = 20kHz
SNR = 97.0dB
THD = –114.0dB
SINAD = 97.0dB
Figure 11. FFT Plot (External Reference)
14
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16
17
18
80
85
90
95
100
2.5
3.0
3.5
4.0
4.5
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E
NO
B
(Bi
ts)
S
NR,
S
INAD
(
d
B)
REFERENCE VOLTAGE (V)
SNR
SINAD
ENOB
07956-
212
Figure 12. SNR, SINAD, and ENOB vs. Reference Voltage
80
85
90
95
100
1k
10k
100k
1M
S
IN
A
D
(d
B)
FREQUENCY (Hz)
07956-
013
Figure 13. SINAD vs. Frequency
0
200k
400k
600k
800k
1M
–180
–160
–140
–120
–100
–80
–60
–40
–20
0
FREQUENCY (Hz)
AM
P
L
IT
UDE
(
d
B)
07956-
114
fS = 2MSPS
fIN = 20kHz
SNR = 95.5dB
THD = –113.0dB
SINAD = 95.5dB
Figure 14. FFT Plot (Internal Reference)
105
110
95
100
115
120
125
–120
–125
–115
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–95
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S
F
DR
(
d
B)
T
HD
(d
B
)
REFERENCE VOLTAGE (V)
THD
SFDR
07956-
015
Figure 15. THD and SFDR vs. Reference Voltage
–125
–120
–115
–110
–105
–100
–95
–90
–85
–80
1k
10k
100k
1M
T
HD
(
d
B)
FREQUENCY (Hz)
07956-
216
Figure 16. THD vs. Frequency
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