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AD7982 Datasheet(PDF) 9 Page - Analog Devices

Part No. AD7982
Description  16-Bit, 100 kSPS PulSAR, Differential ADC in MSOP
Download  16 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
Logo AD - Analog Devices

AD7982 Datasheet(HTML) 9 Page - Analog Devices

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AD7684
Rev. A | Page 9 of 16
TYPICAL PERFORMANCE CHARACTERISTICS
–3
–2
–1
0
1
2
3
0
16384
32768
49152
65536
CODE
POSITIVE INL = +0.83LSB
NEGATIVE INL = –1.07LSB
Figure 7. Integral Nonlinearity vs. Code
151
94794
18557
17388
182
0
20000
40000
60000
80000
100000
120000
FFFD FFFE FFFF
0000
0001
0002
0003
0004
0005
CODE IN HEX
VDD = REF = 2.5V
0
0
0
0
Figure 8. Histogram of a DC Input at the Code Center
180
160
140
120
100
80
60
40
20
0
010
20
30
40
FREQUENCY (kHz)
50
16384 POINT FFT
VDD = REF = 5V
fS = 100kSPS
fIN = 20.43kHz
Figure 9. FFT Plot
–3
–2
–1
0
1
2
3
0
16384
32768
49152
65536
CODE
POSITIVE DNL = +0.9LSB
NEGATIVE DNL = –0.45LSB
Figure 10. Differential Nonlinearity vs. Code
123872
4150
3050
0
50000
100000
150000
FFFB
FFFC
FFFD
FFFE
FFFF
CODE IN HEX
0
0
VDD = REF = 5V
Figure 11. Histogram of a DC Input at the Code Center
180
160
140
120
100
80
60
40
20
0
010
20
30
40
FREQUENCY (kHz)
50
16384 POINT FFT
VDD = REF = 2.5V
fS = 100kSPS
fIN = 20.43kHz
Figure 12. FFT Plot


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