
3-9
Typical Performance Curves
FIGURE 3. EFFECTIVE NUMBER OF BITS (ENOB) AND
SINAD vs INPUT FREQUENCY
FIGURE 4. SNR vs INPUT FREQUENCY
FIGURE 5. -THD, -2HD AND -3HD vs INPUT FREQUENCY
FIGURE 6. SINAD, SNR AND -THD vs INPUT AMPLITUDE
FIGURE 7. EFFECTIVE NUMBER OF BITS (ENOB) vs
SAMPLE CLOCK DUTY CYCLE
FIGURE 8. SUPPLY CURRENT vs SAMPLE CLOCK
FREQUENCY
8
7
6
5
50
44
38
32
SINAD
(dB)
ENOB
(BITS)
1
10
100
INPUT FREQUENCY (MHz)
fS = 60MSPS
TA = 25
oC
50
44
38
32
1
10
100
SNR
(dB)
INPUT FREQUENCY (MHz)
fS = 60MSPS
TA = 25
oC
90
60
55
50
1
10
100
INPUT FREQUENCY (MHz)
fS = 60MSPS
TA = 25
oC
85
80
75
70
65
-3HD
-THD
-2HD
dBc
30
20
10
dB
INPUT LEVEL (dBFS)
70
60
50
40
-40
-10
0
-30
-20
SNR (dB) OR SINAD (dB)
-THD (dBc)
DUTY CYCLE (%, tHI/tCLK)
42
44
46
48
50
52
54
40
ENOB
(BITS)
5
6
7
8
56
58
60
fS = 60MSPS
1MHz < fIN < 15MHz
TA = 25
oC
fS (MSPS)
30
40
50
60
70
20
SUPPL
Y
CURRENT
(mA)
0
10
30
40
50
60
70
20
10
100
110
120
130
140
90
80
150
1MHz < fIN < 15MHz
TA = 25
oC
ICC
AICC
DICC1
DICC2
DICC3
HI5662