AD7663 Analog Devices, AD7663 Datasheet - Page 10

• Manufacturer Part Number: AD7663
• Manufacturer: Analog Devices

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

AD7663
TPC 7. SNR, S/(N+D), and ENOB vs. Frequency
100
95
90
85
80
75
70
96
93
90
87
84
92
90
88
86
–80
–55
1
TPC 9. SNR and THD vs. Temperature
SINAD
–35
SNR
–70
TPC 8. SNR vs. Input Level
–15
–60
10
5
FREQUENCY – kHz
TEMPERATURE – C
–50
INPUT LEVEL – dB
25
THD
SNR
–40
45
–30
100
65
–20
85
ENOB
–10
105
1000
125
0
16.0
15.5
15.0
14.5
14.0
13.5
13.0
–98
–100
–102
–104
–10–
TPC 10. THD, Harmonics, and SFDR vs. Frequency
TPC 12. Typical Delay vs. Load Capacitance, C
–100
–110
–120
–130
–140
–150
–160
–100
–105
–110
–115
–60
–65
–70
–75
–80
–85
–90
–95
–60
–70
–80
–90
50
40
30
20
10
TPC 11. THD, Harmonics vs. Input Level
0
–60
1
0
THIRD HARMONIC
SECOND HARMONIC
SFDR
–50
SECOND HARMONIC
50
THD
–40
10
FREQUENCY – kHz
INPUT LEVEL – dB
THD
C
L
–30
100
– pF
THIRD HARMONIC
–20
100
150
–10
1000
200
REV. B
L
0
110
105
100
95
90
85
80
75
70
65
60