SPT5240
DATA SHEET
Typical Performance Characteristics
(
T
A
= 25°C, AV
DD
= 3.3V, DV
DD
= 3.3V,
ƒ
OUT
= 1.27MHz,
ƒ
CLK
= 400MHz, Clock Duty Cycle = 50%,
I
OUT
= 20mA, R
L
= 50
Ω
; unless otherwise noted)
AC Performance vs. Clock Frequency
65
60
55
50
THD
SNR
SFDR
AC Performance vs. Temperature
65
Clock frequency = 327MHz
SFDR
60
THD
55
dB
45
40
35
30
25
0
100
200
300
400
500
600
dB
50
SNR
45
40
-50
-25
0
25
50
75
Clock Frequency (MHz)
Temperature (°C)
AC Performance vs. V
DD
65
60
55
SFDR
Intergral Nonlinearity vs. Code
2.0
1.5
THD
50
45
40
35
3.0
3.3
3.6
SNR
LSB's
1.0
0.5
0
-0.5
0
128
256
384
512
640
768
896 1024
dB
V
DD
(V)
Differential Nonlinearity vs. Code
0.6
0.4
35
0.2
45
AV
DD
Code
AV
DD
, DV
DD
vs. Clock Frequency
LSB's
0
-0.2
-0.4
-0.6
0
128
256
384
512
640
768
896 1024
mA
25
15
DV
DD
5
40
105
205
245
328
400
Code
Clock (MHz)
REV. 1 June 2003
5
CADEKA [ CADEKA MICROCIRCUITS LLC. ]
