參數(shù)資料
型號: EVAL-CONTROLBRD3
廠商: Analog Devices, Inc.
元件分類: ADC
英文描述: 16-Bit, 100 kSPS PulSAR ADC in MSOP/QFN
中文描述: 16位,100 kSPS的PulSAR系列ADC的,采用MSOP / QFN封裝
文件頁數(shù): 9/16頁
文件大?。?/td> 467K
代理商: EVAL-CONTROLBRD3
AD7683
TYPICAL PERFORMANCE CHARACTERISTICS
Rev. 0 | Page 9 of 16
3
2
1
0
–1
–2
–3
0
16384
32768
CODE
49152
65536
0
I
POSITIVE INL = +0.43LSB
NEGATIVE INL = –0.97LSB
Figure 7. Integral Nonlinearity vs. Code
7000
6000
5000
4000
3000
2000
1000
0
79FD 79FE 79FF 7A00 7A01 7A02 7A03 7A04 7A05 7A06 7A07 7A08
CODE IN HEX
0
C
VDD = REF = 2.5V
0
0
1
4604
130
0
0
2755
25440
50
62564
35528
Figure 8. Histogram of a DC Input at the Code Center
0
–180
–160
–140
–120
–100
–80
–60
–40
–20
0
10
20
30
40
0
FREQUENCY (kHz)
A
50
16384 POINT FFT
VDD = REF = 5V
f
S
= 100kSPS
f
= 20.43kHz
SNR = 92.7dB
THD = –105.7dB
SFDR = –106.4dB
Figure 9. FFT Plot
3
2
1
0
–1
–2
–3
0
16384
32768
CODE
49152
65536
0
D
POSITIVE DNL = +0.43LSB
NEGATIVE DNL = –0.41LSB
Figure 10. Differential Nonlinearity vs. Code
120000
100000
80000
60000
40000
20000
0
7A0E 7A0F
7A10
7A11
7A12
7A13
7A14
7A15
7A16
0
CODE IN HEX
C
0
0
6
0
0
102287
13619
15152
8
VDD = REF = 5V
Figure 11. Histogram of a DC Input at the Code Center
0
–180
–160
–140
–120
–100
–80
–60
–40
–20
0
10
20
30
40
0
FREQUENCY (kHz)
A
50
16384 POINT FFT
VDD = REF = 2.5V
f
S
= 100kSPS
f
= 20.43kHz
SNR = 88.7dB
THD = –102.6dB
SFDR = –104.6dB
Figure 12. FFT Plot
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