Rainbow Electronics MAX5858 - Manual (Page 10)

MAX5858
Dual, 10-Bit, 300Msps, Current-Output DAC with
4x/2x/1x Interpolation Filters
10 ______________________________________________________________________________________
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.)
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0
4.5 4.7 4.9 5.1 5.3 5.5
2-TONE IMD PLOT
(NO INTERPOLATION, f DAC = 165MHz)
MAX5858 toc22
OUTPUT FREQUENCY (MHz)
OUTPUT POWER (dBm)
A OUT = -6dB FS
BW = 1MHz
f T1 = 4.9448MHz
f T2 = 5.0656MHz
2 x f T1 - f T2
f T1 f T2
2 x f T2 - f T1
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0
18.5 19.0 19.5 20.0 20.5 21.0 21.5
8-TONE MTPR PLOT (NO INTERPOLATION,
f DAC = 165MHz, f CENTER = 19.9503MHz)
OUTPUT FREQUENCY (MHz)
OUTPUT POWER (dBm)
MAX5858 toc23
A OUT = 18dB FS
BW = 3MHz
f T1 = 18.8022MHz f T5 = 20.2524MHz
f
T2
= 19.0237MHz f
T6
= 20.5344MHz
f T3 = 19.2654MHz f T7 = 20.8365MHz
f T4 = 19.6481MHz f T8 = 21.1386MHz
f T4
f T5
f T1
f T2
f T3
f T6
f T7
f T8
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28.5 29.0 29.5 30.0 30.5 31.0 31.5
8-TONE MTPR PLOT (4x INTERPOLATION,
f DAC = 286.4MHz, f CENTER = 29.9572MHz)
MAX5858 toc24
OUTPUT FREQUENCY (MHz)
OUTPUT POWER (dBm)
A OUT = 18dB FS
BW = 3MHz
f T1 = 28.7597MHz f T5 = 30.2281MHz
f
T2
= 29.1008MHz f
T6
= 30.5952MHz
f T3 = 29.3628MHz f T7 = 30.8924MHz
f T4 = 29.6862MHz f T8 = 31.1546MHz
f T4
f T5
f T1
f T2
f T3
f T6
f T7
f T8
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-1
1.00
9.15
17.30
25.25
33.60
41.75
49.90
58.05
66.20
74.35
82.50
8-TONE MTPR PLOT FOR NYQUIST WINDOW
(NO INTERPOLATION, f DAC = 165MHz,
f CENTER = 19.9569MHz, A OUT = -18dB FS)
MAX5858 toc25
OUTPUT FREQUENCY (MHz)
OUTPUT POWER (dBm)
MTPR = 76dBc
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1.0
15.2
28.6
42.9
57.2
71.5
85.8
100.1
114.4
128.7
143.2
8-TONE MTPR PLOT FOR DAC UPDATE
(WITHIN A NYQUIST WINDOW)
(x4 INTERPOLATION, f DAC = 286.4MHz, f CENTER = 20MHz,
INPUT TONES SPACED 300kHz APART,A OUT = -18dB FS)
MAX5858 toc26
OUTPUT FREQUENCY (MHz)
OUTPUT POWER (dBm)
A B
35.8MHz
A: IN-BAND-RANGE
B: OUT-OF-BAND RANGE
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0 61.44
ACLR UMTS PLOT
(NO INTERPOLATION, f DAC = 122.88MHz,
f DATA = 122.88MHz, f CENTER = 30.72MHz)
MAX5858 toc27
6.14MHz/div
OUTPUT POWER (dB)
ACLR = 63dB
OUTPUT FREQUENCY (MHz)