Datasheet

REV. A
–9–
AD7675
FREQUENCY – kHz
100
SNR AND S/[N+D] – dB
90
70
80
10 10001 100
95
85
75
16.0
ENOB – Bits
15.0
13.0
14.0
15.5
14.5
13.5
SNR
SINAD
ENOB
TPC 7. SNR, S/(N+D), and ENOB vs. Frequency
INPUT LEVEL – dB
96
SNR (REFERRED TO FULL SCALE) – dB
94
88
–40 0–60 –20
92
90
SNR
SINAD
–50 –30 –10
TPC 8. SNR and S/(N+D) vs. Input Level
TEMPERATURE – C
96
SNR – dB
84
90
0 125–55 85
93
87
SNR
THD
–35 45 10525–15 65
–104
THD – dB
–112
–108
–106
–110
TPC 9. SNR, THD vs. Temperature
C
L
– pF
50
t
12 DELAY – ns
0
20
2000
40
10
10050 150
30
OVDD = 5.0V @ 25C
OVDD = 5.0V @ 85C
OVDD = 2.7V @ 25C
OVDD = 2.7V @ 85C
TPC 10. Typical Delay vs. Load Capacitance C
L
SAMPLING RATE – SPS
OPERATING CURRENTS – A
0.001
0.1
10
100
0.01
1k100 10k
1
100k
10
1k
10k
100k
DVDD
OVDD
AV DD
TPC 11. Operating Currents vs. Sample Rate
TEMPERATURE – C
250
POWER-DOWN OPERATING CURRENTS – nA
0
100
–15 105–55 45
150
50
DVDD
–35 5 8525 65
200
OVDD
AV DD
TPC 12. Power-Down Operating Currents vs. Temperature