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AD7660 Datasheet(PDF) 9 Page - Analog Devices

Part # AD7660
Description  16-Bit, 100 kSPS PulSAR Unipolar CMOS ADC
PDF  21 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD7660 Datasheet(HTML) 9 Page - Analog Devices

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REV.
E
AD7660
–8–
–Typical Performance Characteristics
CODE
–3
0
16384
–2
–1
0
1
2
3
32768
49152
65536
TPC 1. Integral Nonlinearity
vs. Code
CODE
–1.00
0
16384
0.00
32768
49152
65536
–0.75
0.50
1.00
1.75
1.50
1.25
0.75
0.25
–0.50
–0.25
TPC 4. Differential Nonlinearity
vs. Code
FREQUENCY – kHz
010
20
3040
50
–180
–120
–40
0
–80
–140
–60
–20
–100
–160
4096 POINT FFT
f
S = 100kHz
f
IN = 45kHz
SNR = 90.14dB
SINAD = 89.94dB
THD = –101.37dB
SFDR = 110dB
TPC 7. FFT Plot
POSITIVE INL – LSB
0
0
0.6
5
10
15
20
25
30
1.2
1.8
2.4
3.0
TPC 2. Typical Positive INL
Distribution (350 Units)
NEGATIVE INL – LSB
0
0
–0.6
5
10
15
20
25
30
–1.2
–1.8
–2.4
–3.0
35
TPC 5. Typical Negative INL
Distribution (350 Units)
–130
1
10
100
1000
–90
–80
–60
–70
–100
–120
–110
SFDR
THD
60
90
100
120
110
80
70
SECOND HARMONIC
THIRD HARMONIC
FREQUENCY – kHz
TPC 8. THD, Harmonics, and SFDR
vs. Frequency
CODE – Hex
0
8008
8000
7000
6000
5000
4000
3000
2000
1000
0
8009
800A
800B
800C
800D
800E
800F
8010
8011
013
9
0
0
879
1213
7051
7219
TPC 3. Histogram of 16,384
Conversions of a DC Input
at the Code Transition
CODE – Hex
0
10000
8000
6000
4000
0
8009
800A
800B
800C
800D
800E
800F
8010
8011
0
188
00
161
2000
9026
3520
3489
TPC 6. Histogram of 16,384
Conversions of a DC Input
at the Code Center
INPUT LEVEL – dB
–140
–90
–90
–80
–60
–70
–100
–120
–110
THD
SECOND HARMONIC
THIRD HARMONIC
–80
0
–10
–20
–30
–40
–50
–60
–70
–130
TPC 9. THD, Harmonics vs.
Input Level



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