Datasheet


SLAS390B − JUNE 2003 − REVISED FEBRUARY 2005
www.ti.com
19
Figure 25
70
75
80
85
90
95
100
105
110
−40 −15 10 35 60 85
SPURIOUS FREE DYNAMIC RANGE
vs
FREE-AIR TEMPERATURE
T
A
− Free-Air Temperature − °C
SFDR − Spurious Free Dynamic Range − dB
+VA = 5 V,
+VBD = 5 V,
f
i
= 99 kHz,
f
S
= 750 KSPS,
V
I
= 4 V
pp
,
V
ref
= 4.096 V
Figure 26
80
81
82
83
84
85
86
87
88
89
90
−40 −15 10 35 60 85
SINAD − Signal-to-Noise and Distortion − dB
SIGNAL-TO-NOISE AND DISTORTION
vs
FREE-AIR TEMPERATURE
T
A
− Free-Air Temperature − °C
+VA = 5 V,
+VBD = 5 V,
f
i
= 99 kHz,
f
S
= 750 KSPS,
V
I
= 4 V
pp
,
V
ref
= 4.096 V
Figure 27
13
13.2
13.4
13.6
13.8
14
14.2
14.4
14.6
14.8
15
−40 −15 10 35 60 85
ENOB − Effective Number of Bits − Bits
EFFECTIVE NUMBER OF BITS
vs
FREE-AIR TEMPERATURE
T
A
− Free-Air Temperature − °C
+VA = 5 V,
+VBD = 5 V,
f
i
= 99 kHz,
f
S
= 750 KSPS,
V
I
= 4 V
pp
,
V
ref
= 4.096 V
Figure 28
85
86
87
88
89
90
1
10 100
SNR − Signal-to-Noise Ratio − dB
SIGNAL-TO-NOISE RATIO
vs
INPUT FREQUENCY
f
i
− Input Frequency − kHz
+VA = 5 V,
+VBD = 5 V,
T
A
= 255C,
f
S
= 750 KSPS,
V
I
= 4 V
pp
,
V
ref
= 4.096 V