Datasheet

AD7352
Rev. A | Page 8 of 20
TYPICAL PERFORMANCE CHARACTERISTICS
0
–80
–60
–40
–20
–100
–120
0 150 300 450 600 750 900 1050 1200 1350 1500
dB
FREQUENCY (kHz)
07044-003
16,384 POINT FFT
f
SAMPLE
= 3MSPS
f
IN
= 1MHz
SNR = 72.1dB
SINAD = 71.6dB
THD = –81.5dB
10,000
20,000
30,000
40,000
50,000
60,000
0
2044 2045 2046 2047 2048 2049 2050
NUMBER OF OCCURRENCES
CODE
07044-007
93 HITS 20 HITS
Figure 3. Typical FFT
Figure 6. Histogram of Codes for 65,000 Samples
1.0
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
–0.8
–1.0
0 500 1000 1500 2000 2500 3000 3500 4000
DNL ERROR (LSB)
CODE
07044-004
SNR (dB)
ANALOG INPUT FREQUENCY (kHz)
07044-035
0
66
67
68
69
70
71
72
73
1000 2000 3000 4000 5000
Figure 4. Typical DNL Error
Figure 7. SNR vs. Analog Input Frequency
PSRR (dB)
SUPPLY RIPPLE FREQUENCY (MHz)
07044-034
0
–90
–85
–80
–75
–70
–65
–
60
5 101520
1.0
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
–0.8
–1.0
0 500 1000 1500 2000 2500 3000 3500 4000
INL ERROR (LSB)
CODE
07044-005
25
Figure 5. Typical INL Error
Figure 8. PSRR vs. Supply Ripple Frequency with No Supply Decoupling