AD7663 Analog Devices, AD7663 Datasheet - Page 9
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AD7663
Manufacturer Part Number
AD7663
Description
Manufacturer
Analog Devices
Datasheet
1.AD7663.pdf
(24 pages)
Specifications of AD7663
Resolution (bits)
16bit
# Chan
1
Sample Rate
250kSPS
Interface
Par,Ser,SPI
Analog Input Type
Diff-Bip,Diff-Uni
Ain Range
Bip (Vref),Bip (Vref) x 2,Bip (Vref) x 4,Uni (Vref),Uni (Vref) x 2,Uni (Vref) x 4
Adc Architecture
SAR
Pkg Type
CSP,QFP
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Company
Part Number
Manufacturer
Quantity
Price
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Part Number:
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Part Number:
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Manufacturer:
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Part Number:
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Manufacturer:
ADI/亚德诺
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Company:
Part Number:
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Manufacturer:
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REV. B
TPC 3. Typical Negative INL Distribution (446 Units)
TPC 2. Typical Positive INL Distribution (446 Units)
–0.5
–1.0
–1.5
–2.0
–2.5
–3.0
3.0
2.5
2.0
1.5
1.0
0.5
50
45
40
35
30
25
20
15
10
80
70
60
50
40
30
20
10
5
0
0
0
–3
0
0
TPC 1. Integral Nonlinearity vs. Code
–2.7
0.3
–2.4
0.6
16384
–2.1
0.9
NEGATIVE INL – LSB
POSITIVE INL – LSB
–1.8 –1.5
1.2
CODE
32768
1.5
–1.2
1.8
–0.9
2.1
49152
–0.6 –0.3
2.1
2.7
Typical Performance Characteristics–
65536
–9–
TPC 4. Histogram of 16,384 Conversions of a DC Input
at the Code Transition
TPC 5. Histogram of 16,384 Conversions of a DC Input
at the Code Center
8000
7000
6000
5000
4000
3000
2000
1000
9000
8000
7000
6000
5000
4000
3000
2000
1000
–100
–120
–140
–160
–180
–20
–40
–60
–80
–0
0
0
0
7FFD 7FFE 7FFF 8000 8001 8002 8003 8004 8004 8005
7FFC 7FFD 7FFE 7FFF 8000 8001 8002 8003 8004 8005 8006
0
0
0
0
25
2
TPC 6. FFT Plot
33
233
1800
FREQUENCY – kHz
3944
CODE IN HEXA
50
CODE IN HEXA
6802 6745
8032
3902
75
1000
271
4096 POINT FFT
FS = 250kHz
f
SNR = 90.1dB
SINAD = 89.8dB
THD = –100.5dB
SFDR = 102.7dB
IN
= 45kHz, –0.5dB
AD7663
4
0
100
0
0
0
0
125