AD7675 Analog Devices, AD7675 Datasheet - Page 9

• Manufacturer Part Number: AD7675
• Manufacturer: Analog Devices

Specifications of AD7675

• Resolution (bits): 16bit
• # Chan: 1
• Sample Rate: 100kSPS
• Interface: Par,Ser,SPI
• Analog Input Type: Diff-Uni
• Ain Range: (2Vref) p-p
• Adc Architecture: SAR
• Pkg Type: QFP

REV. A
100
TPC 7. SNR, S/(N+D), and ENOB vs. Frequency
96
93
90
87
84
95
90
85
80
75
70
96
94
92
90
88
–55
–60
1
TPC 8. SNR and S/(N+D) vs. Input Level
–35
TPC 9. SNR, THD vs. Temperature
–50
–15
–40
10
0
TEMPERATURE – C
FREQUENCY – kHz
INPUT LEVEL – dB
THD
SINAD
SNR
25
SNR
–30
45
–20
100
65
85
ENOB
–10
105
SINAD
SNR
1000
125
0
16.0
15.5
15.0
14.5
14.0
13.5
13.0
–104
–106
–108
–110
–112
–9–
TPC 12. Power-Down Operating Currents vs. Temperature
0.001
TPC 10. Typical Delay vs. Load Capacitance C
100k
0.01
10k
100
250
200
150
100
TPC 11. Operating Currents vs. Sample Rate
0.1
1k
10
50
50
40
30
20
10
1
0
–55
0
10
0
–35
–15
100
50
OVDD = 2.7V @ 25 C
SAMPLING RATE – SPS
TEMPERATURE – C
5
C
100
L
25
1k
– pF
OVDD = 5.0V @ 25 C
OVDD = 2.7V @ 85 C
AVDD
45
OVDD = 5.0V @ 85 C
DVDD
10k
150
65
OVDD
AD7675
OVDD
85
AVDD
DVDD
100k
105
200
L