Datasheet


SBAS279D − AUGUST 2003 − REVISED JULY 2005
www.ti.com
10
TYPICAL CHARACTERISTICS
T
A
= +25°C, +V
A
= +V
AV
= +3V, +V
D
= +V
DV
= +3V, I
OUTFS
= 2mA, differential transformer-coupled output (n = 4:1), R
L
= 400Ω on I-DAC,
R
L
= 2kΩ on V-DAC, and GSET = H unless otherwise noted.
Figure 3
I−DAC, INL
0
2.0
1.6
1.2
0.8
0.4
0
−
0.4
−
0.8
−
1.2
−
1.6
−
2.0
500 1000 1500 2000 2500 3000 3500 4000
Codes
INL (LSB)
Figure 4
I−DAC, DNL
0
1.0
0.8
0.6
0.4
0.2
0
−
0.2
−
0.4
−
0.6
−
0.8
−
1.0
500 1000 1500 2000 2500 3000 3500 4000
Codes
DNL (LSB)
Figure 5
SFDR vs f
OUT
AT 5MSPS
0
80
78
76
74
72
70
68
66
64
62
60
0.5 1.0 1.5 2.0 2.5
f
OUT
(MHz)
SFDR (dBc)
Figure 6
SFDR vs f
OUT
AT 10MSPS
0
80
75
70
65
60
55
50
0.5 4.51.0 3.5 4.0 5.01.5 2.0 2.5 3.0
f
OUT
(MHz)
SFDR (dBc)
Figure 7
SFDR vs f
OUT
AT 20MSPS
0
80
75
70
65
60
55
50
19278103456
f
OUT
(MHz)
SFDR (dBc)
Figure 8
SFDR vs f
OUT
AT 40MSPS
0
80
75
70
65
60
55
50
2184141620681012
f
OUT
(MHz)
SFDR (dBc)