Owner's manual

MAX1449
10-Bit, 105Msps, Single +3.3V, Low-Power
ADC with Internal Reference
6 _______________________________________________________________________________________
SINAD (dB)
60
50
1 10 100
SIGNAL-T0-NOISE PLUS DISTORTION
vs. ANALOG INPUT FREQUENCY
52
MAX1449 toc10
ANALOG INPUT FREQUENCY (MHz)
54
56
58
DIFFERENTIAL
SINGLE-ENDED
-8
1 100010010
FULL-POWER INPUT BANDWIDTH vs.
ANALOG INPUT FREQUENCY, SINGLE-ENDED
6
0
-6
4
2
MAX1449 toc11
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
-2
-4
-8
1 100010010
SMALL-SIGNAL INPUT BANDWIDTH vs.
ANALOG INPUT FREQUENCY, SINGLE-ENDED
6
0
-6
4
2
MAX1449 toc12
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
-2
-4
V
IN
= 100mVp-p
50
60
55
70
65
75
80
-12 -6-9 -3 0
SPURIOUS-FREE DYNAMIC RANGE
vs. INPUT POWER (f
IN
= 19MHz)
MAX1449 toc13
INPUT POWER (dB FS)
SFDR (dBc)
40
45
55
50
60
65
SIGNAL-TO-NOISE RATIO vs.
INPUT POWER (f
IN
= 19MHz)
MAX1449 toc14
INPUT POWER (dB FS)
SNR (dB)
-12 -6-9 -3 0
-80
-70
-75
-60
-65
-55
-12 -6-9 -3 0
TOTAL HARMONIC DISTORTION
vs. INPUT POWER (f
IN
= 19MHz)
MAX1449 toc15
INPUT POWER (dB FS)
THD (dBc)
-50
40
45
55
50
60
65
SIGNAL-TO-NOISE + DISTORTION vs.
INPUT POWER (f
IN
= 19MHz)
MAX1449 toc16
INPUT POWER (dB FS)
SINAD (dB)
-12 -6-9 -3 0
64
68
76
72
80
84
-40 10-15 35 60 85
SPURIOUS-FREE DYNAMIC RANGE
vs. TEMPERATURE
MAX1449 toc17
TEMPERATURE (°C)
SFDR (dBc)
f
IN
= 26.1696MHz
50
54
62
58
66
70
-40 10-15 35 60 85
SIGNAL-TO-NOISE vs. TEMPERATURE
MAX1449 toc18
TEMPERATURE (°C)
SNR (dB)
f
IN
= 26.1696MHz
Typical Operating Characteristics (continued)
(V
DD
= +3.3V, OV
DD
= +2.0V, internal reference, differential input at -0.5dB FS, f
CLK
= 106.2345MHz, C
L
≈ 10pF, T
A
= +25°C,
unless otherwise noted.)