Datasheet

AD7356
Rev. A | Page 8 of 20
TYPICAL PERFORMANCE CHARACTERISTICS
0
–80
–60
–40
–20
–100
–120
0 250 500 750 1000 1250 1500 1750 2000 2249 2499
dB
FREQUENCY (kHz)
06505-003
16,384 POINT FFT
f
SAMPLE
= 5MSPS
f
IN
= 1MHz
SNR = 71.8dB
SINAD = 71.6dB
THD = –83.5dB
10,000
20,000
30,000
40,000
50,000
60,000
0
2044 2045 2046 2047 2048 2049 2050
NUMBER OF OCCURRENCES
CODE
06505-005
93 HITS 20 HITS
Figure 6. Histogram of Codes for 65,000 Samples
Figure 3. Typical FFT
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0 4000350030002500200015001000500
06505-027
CODE
DNL ERROR (LSB)
SNR (dB)
ANALOG INPUT FREQUENCY (kHz)
06505-037
0
65
66
67
68
69
70
71
72
73
1000 2000 3000 4000 5000
Figure 7. SNR vs. Analog Input Frequency
Figure 4. Typical DNL Error
PSRR (dB)
SUPPLY RIPPLE FREQUENCY (MHz)
06505-035
0
–90
–85
–80
–75
–70
–65
–
60
5 101520
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0 4000350030002500200015001000500
06505-028
CODE
INL ERROR (LSB)
25
Figure 8. PSRR vs. Supply Ripple Frequency with No Supply Decoupling
Figure 5. Typical INL Error