AD7663AST 데이터 시트보기 (PDF) - Analog Devices
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AD7663AST Datasheet PDF : 24 Pages
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Typical Performance Characteristics–AD7663
3.0
2.5
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
–2.5
–3.0
0
16384
32768
CODE
49152
65536
TPC 1. Integral Nonlinearity vs. Code
8000
7000
6802 6745
6000
5000
4000
3000
2000
1800
1000
1000
0 0 33
400
0
7FFD 7FFE 7FFF 8000 8001 8002 8003 8004 8004 8005
CODE IN HEXA
TPC 4. Histogram of 16,384 Conversions of a DC Input
at the Code Transition
50
45
40
35
30
25
20
15
10
5
0
0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.1 2.7
POSITIVE INL – LSB
TPC 2. Typical Positive INL Distribution (446 Units)
9000
8000
8032
7000
6000
5000
4000
3944
3902
3000
2000
1000
0 0 2 233
271 0 0 0
0
7FFC 7FFD 7FFE 7FFF 8000 8001 8002 8003 8004 8005 8006
CODE IN HEXA
TPC 5. Histogram of 16,384 Conversions of a DC Input
at the Code Center
80
70
60
50
40
30
20
10
0
–3 –2.7 –2.4 –2.1 –1.8 –1.5 –1.2 –0.9 –0.6 –0.3
NEGATIVE INL – LSB
TPC 3. Typical Negative INL Distribution (446 Units)
–0
–20
–40
–60
–80
–100
–120
–140
–160
–180
0
4096 POINT FFT
FS = 250kHz
fIN = 45kHz, –0.5dB
SNR = 90.1dB
SINAD = 89.8dB
THD = –100.5dB
SFDR = 102.7dB
25
50
75
100
125
FREQUENCY – kHz
TPC 6. FFT Plot
REV. B
–9–
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