AD7671 Analog Devices, AD7671 Datasheet - Page 10

• Manufacturer Part Number: AD7671
• Manufacturer: Analog Devices

Specifications of AD7671

• Resolution (bits): 16bit
• # Chan: 1
• Sample Rate: 1MSPS
• 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

AD7671
–100
–120
–140
–160
–180
100
–20
–40
–60
–80
TPC 8. SNR, S/(N + D), and ENOB vs. Frequency
95
90
85
80
75
70
92
90
88
86
0
–80
1
0
–70
SINAD
SNR
100
TPC 9. SNR vs. Input Level
–60
10
TPC 7. FFT Plot
FREQUENCY – kHz
FREQUENCY – kHz
–50
INPUT LEVEL – dB
200
–40
300
–30
100
FS = 1MSPS
SNR = 89.45dB
THD = –100.05dB
SFDR = 100.49dB
SINAD = 89.1dB
f
IN
= 45.5322kHz
–20
400
ENOB
–10
1000
500
0
16.0
15.5
15.0
14.5
14.0
13.5
13.0
–10–
TPC 11. THD, Harmonics, and SFDR vs. Frequency
–100
–105
–110
–115
–100
–110
–120
–130
–140
–150
–60
–65
–70
–75
–80
–85
–90
–95
–60
–70
–80
–90
96
93
90
87
84
TPC 12. THD, Harmonics vs. Input Level
–55
–60
1
SECOND HARMONIC
SECOND HARMONIC
THIRD HARMONIC
–35
TPC 10. SNR, THD vs. Temperature
–50
SFDR
–15
–40
10
5
TEMPERATURE – C
INPUT LEVEL – dB
FREQUENCY – kHz
THIRD HARMONIC
25
–30
THD
45
–20
100
65
THD
85
SNR
–10
105
THD
1000
125
0
–98
–100
–102
–104
110
105
100
95
90
85
80
75
70
65
60
REV. B