
9
FIGURE 6. EFFECTIVE NUMBER OF BITS (ENOB) vs
SAMPLE CLOCK DUTY CYCLE
FIGURE 7. EFFECTIVE NUMBER OF BITS (ENOB) vs
ANALOG INPUT COMMON MODE VOLTAGE
FIGURE 8. SUPPLY CURRENT vs SAMPLE CLOCK
FREQUENCY
FIGURE 9. EFFECTIVE NUMBER OF BITS (ENOB) vs
TEMPERATURE
FIGURE 10. INTERNAL REFERENCE VOLTAGE (VREFOUT) vs
TEMPERATURE
FIGURE 11. DC BIAS VOLTAGE (VDC) vs TEMPERATURE
Typical Performance Curves (Continued)
40MSPS
DUTY CYCLE (%, tH/tCLK)
E
N
O
B
(
B
IT
S)
9.5
8.0
7.5
7.0
6.5
6.0
5.5
30
35
40
45
50
55
60
70
TA = 25
oC, f
IN = 10MHz
9.0
8.5
65
60MSPS
20MSPS
VCM (V)
E
N
O
B
(
B
IT
S)
9.1
8.8
8.7
8.6
8.5
8.4
8.3
0.25 0.75
1.25
1.75
2.25
2.75
3.25
4.75
9.0
8.9
3.75
20MSPS
4.25
40MSPS
60MSPS
TA = 25
oC, f
IN = 10MHz
DIFFERENTIAL ANALOG INPUT
fS (MSPS)
SUPP
L
Y
CURRENT
(m
A)
80
50
40
30
20
10
0
10
15
20
25
30
35
40
55
70
60
45
50
DICC1
DICC2
ICC
AICC
TA = 25
oC, 1MHz < f
IN < 15MHz
60
TEMPERATURE (oC)
E
N
OB
(
B
ITS
)
9.2
8.6
8.4
8.2
8.0
-40
-20
0
20
40
80
9.0
8.8
60
60MSPS
40MSPS
fIN = 10MHz, VREFIN = VREFOUT
DIFFERENTIAL ANALOG INPUT
20MSPS
TEMPERATURE (oC)
RE
F
E
RENCE
VOLTAGE
,(V
RE
F
O
UT
)(
V
)
2.530
2.515
2.510
-40
-20
0
20
40
80
2.525
2.520
60
VREFOUT
TEMPERATURE (oC)
V
DC
(V
)
3.1
2.9
-40
-20
0
20
40
80
3.0
60
VDC
HI5767