Rainbow Electronics MAX5858 - Manual (Page 9)

MAX5858
Dual, 10-Bit, 300Msps, Current-Output DAC with
4x/2x/1x Interpolation Filters
_______________________________________________________________________________________ 9
Typical Operating Characteristics (continued)
(AV DD = DV DD = CV DD = 3V ±10%, AGND = DGND = CGND = 0, external reference = 1.2V, no interpolation, I FS = 20mA, differential
output, T
A
= +25°C, unless otherwise noted.)
0
40
30
20
10
60
50
80
70
90
100
-40 85
SPURIOUS-FREE DYNAMIC RANGE
vs. TEMPERATURE (NO INTERPOLATION,
f DAC = 165MHz, f OUT = 5MHz)
MAX5858 toc16
TEMPERATURE ( °C)
SFDR (dBc)
-10 -15 35 60
A OUT = 0dB FS
A OUT = -6dB FS
A OUT = -12dB FS
0
40
30
20
10
60
50
80
70
90
100
0 10 20 30 40 50 60 70 80 90
SPURIOUS-FREE DYNAMIC RANGE
vs. OUTPUT FREQUENCY
(NO INTERPOLATION, f DAC = 165MHz)
MAX5858 toc17
OUTPUT FREQUENCY (MHz)
SFDR (dBc)
T A = -10 °C
T A = +25 °C
T A = +85 °C
A OUT = 0dB FS
-100
-60
-70
-80
-90
-40
-50
-20
-30
-10
0
7.7 11.7
FFT PLOT
( ±2MHz WINDOW)
MAX5858 toc18
OUTPUT FREQUENCY (MHz)
OUTPUT POWER (dBm)
9.7 9.2 8.7 8.2 11.2 10.7 10.2
f DAC = 165MHz
f OUT = 9.7MHz
A OUT = -6dB FS
-119
-110
-100
-60
-70
-80
-90
-40
-50
-20
-30
-10
0
0
8.25
16.50
24.75
33.00
41.25
49.50
57.75
66.00
74.25
82.50
FFT PLOT FOR NYQUIST WINDOW
(NO INTERPOLATION, f DAC = 165MHz,
f OUT = 10MHz, A OUT = 0dB FS)
MAX5858 toc19
OUTPUT FREQUENCY (MHz)
OUTPUT POWER (dBm)
-119
-110
-100
-60
-70
-80
-90
-40
-50
-20
-30
-10
0
0 10 20 30 40 50 60 70 80 90 100
FFT PLOT FOR DAC UPDATE NYQUIST
WINDOW (100MHz) (2x INTERPOLATION,
f DAC = 200MHz, f OUT = 10MHz, A OUT = 0dB FS)
MAX5858 toc20
OUTPUT FREQUENCY (MHz)
OUTPUT POWER (dBm)
-119
-110
-100
-60
-70
-80
-90
-40
-50
-20
-30
-10
0
0 10 20 30 40 50 60 70 80 90 100
FFT PLOT FOR DAC UPDATE NYQUIST
WINDOW (100MHz) (4x INTERPOLATION,
f DAC = 200MHz, f OUT = 10MHz, A OUT = 0dB FS)
MAX5858 toc21
OUTPUT FREQUENCY (MHz)
OUTPUT POWER (dBm)