Datasheet


SLAS390B − JUNE 2003 − REVISED FEBRUARY 2005
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20
Figure 29
−110
−105
−100
−95
−90
−85
−80
1
10 100
+VA = 5 V,
+VBD = 5 V,
f
S
= 750 KSPS,
V
I
= 4 V
pp
,
V
ref
= 4.096 V
f
i
− Input Frequency − kHz
TOTAL HARMONIC DISTORTION
vs
INPUT FREQUENCY
THD − Total Harmonic Distortion − dB
Figure 30
80
81
82
83
84
85
86
87
88
89
90
1
10 100
f
i
− Input Frequency − kHz
SINAD − Signal-to-Noise and Distortion − dB
SIGNAL-TO-NOISE AND DISTORTION
vs
INPUT FREQUENCY
+VA = 5 V,
+VBD = 5 V,
f
S
= 750 KSPS,
V
I
= 4 V
pp
,
V
ref
= 4.096 V
Figure 31
13
13.2
13.4
13.6
13.8
14
14.2
14.4
14.6
14.8
15
1 10 100
EFFECTIVE NUMBER OF BITS
vs
INPUT FREQUENCY
ENOB − Effective Number of Bits − Bits
f
i
− Input Frequency − kHz
+VA = 5 V,
+VBD = 5 V,
f
S
= 750 KSPS,
V
I
= 4 V
pp
,
V
ref
= 4.096 V
Figure 32
80
85
90
95
100
105
110
115
120
1
10 100
SPURIOUS FREE DYNAMIC RANGE
vs
INPUT FREQUENCY
f
i
− Input Frequency − kHz
SFDR − Spurious Free Dynamic Range − dB
+VA = 5 V,
+VBD = 5 V,
f
S
= 750 KSPS,
V
I
= 4 V
pp
,
V
ref
= 4.096 V