Datasheet

REV. A
AD7677
–10–
FREQUENCY – kHz
0
AMPLITUDE – dB of Full Scale
–100
–180
–60
–140
100 200 300 5000 400
–20
–40
–120
–80
–160
f
S
= 1MSPS
f
IN
= 45.01kHz
SNR = 93.5dB
THD = –109.5dB
SFDR = 109dB
SINAD = 93dB
TPC 7. FFT Plot
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 8. SNR, S/(N+D), and ENOB vs. Frequency
INPUT LEVEL – dB
96
SNR (REFERRED TO FULL SCALE) – dB
88
92
–40 0–60 –20
94
90
SNR
SINAD
–50 –30 –10
TPC 9. SNR and S/(N+D) vs. Input Level
TEMPERATURE – C
96
SNR – dB
84
90
25 125–55
93
87
SNR
THD
–35 65455 105–15 85
–104
THD – dB
–112
–108
–106
–110
TPC 10. 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 11. Typical Delay vs. Load Capacitance C
L
SAMPLING RATE – SPS
1M
OPERATING CURRENTS – A
0.001
1M
10k
1k
100
10
1
0.1
0.01
100k10k1k10010
AV DD, WARP/NORMAL
DVDD, WARP/NORMAL
AV DD, IMPULSE
DVDD, IMPULSE
OVDD, ALL MODES
TPC 12. Operating Currents vs. Sample Rate