
9
FIGURE 9. SINAD AND SNR vs VREF+
NOTE: SFDR depicted here does not include any harmonic distortion.
FIGURE 10. -2HD, -3HD, -THD AND SFDR vs VREF+
FIGURE 11. EFFECTIVE NUMBER OF BITS (ENOB) vs VREF+
(VREF- NOT DRIVEN)
FIGURE 12. SINAD AND SNR vs VREF+ (VREF- NOT DRIVEN)
FIGURE 13. -2HD, -3HD, -THD AND SFDR vs VREF+
(VREF- NOT DRIVEN)
FIGURE 14. EFFECTIVE NUMBER OF BITS (ENOB) vs
ANALOG INPUT COMMON MODE VOLTAGE
Typical Performance Curves (Continued)
2.25 2.30
2.35
2.40
2.45
2.50
2.55
2.60 2.65
2.70 2.75
53
52
51
50
49
48
47
dB
VREF+ (V)
SNR
SND
fS = 60 MSPS
TA = 25
oC
fIN = 10MHz
VREF+ - VREF- = 0.5V
2.25 2.30
2.35 2.40
2.45
2.50 2.55
2.60
2.65
2.75
2.70
85
80
75
70
65
60
55
50
VREF+ (V)
dBc
fS = 60 MSPS
TA = 25
oC
fIN = 10MHz
VREF+ - VREF- = 0.5V
-2HD
-3HD
SFDR
-THD
8.4
8.2
8.0
7.8
2.25
2.30
2.35 2.40
2.45
2.50
2.55
2.60
2.65
2.70 2.75
EN
OB
(B
ITS
)
VREF+ (V)
fS = 60 MSPS
TA = 25
oC
fIN = 10MHz
VREF- NOT DRIVEN
51
50
49
48
47
46
2.25
2.30
2.35
2.40
2.45
2.50
2.55
2.60
2.65
2.70
2.75
VREF+ (V)
dB
SNR
SINAD
fS = 60 MSPS
TA = 25
oC
fIN = 10MHz
VREF- NOT DRIVEN
80
75
70
65
60
55
50
2.25
2.30
2.35
2.40
2.45
2.50
2.55
2.60
2.65
2.70
2.75
VREF+ (V)
dBc
fS = 60 MSPS
TA = 25
oC
fIN = 10MHz
VREF- NOT DRIVEN
-2HD
-3HD
-THD
SFDR
8.6
8.5
8.4
8.3
0.25
0.75
1.25
1.75
2.25
2.75
3.25
3.75
4.25
4.75
VCM (V)
EN
OB
(B
ITS
)
10MHz
1MHz
fS = 60 MSPS
TA = 25
oC
HI5766