
MAX1448
10-Bit, 80Msps, Single +3.0V, Low-Power
ADC with Internal Reference
6 _______________________________________________________________________________________
65
50
110100
SIGNAL-TO-NOISE PLUS DISTORTION vs.
ANALOG INPUT FREQUENCY
53
MAX1448-10
ANALOG INPUT FREQUENCY (MHz)
SINAD (dB)
56
59
62
SINGLE-ENDED
DIFFERENTIAL
1 10 100 1000
FULL-P
WER INPUT BANDWIDTH vs.
ANALOG INPUT FREQUENCY
(SINGLE-ENDED)
MAX1448-11
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
6
-8
-6
-2
0
2
4
-4
1 10 100 1000
MALL-
I
NAL INPUT BANDWIDTH vs.
ANALOG INPUT FREQUENCY
(SINGLE-ENDED)
MAX1448-12
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
6
-8
-6
-2
0
2
4
-4
V
IN
= 100mVp-p
50
60
55
70
65
75
80
-15 -9-12 -6 -3 0
SPURIOUS-FREE DYNAMIC RANGE
vs. INPUT POWER (f
IN
= 20MHz)
MAX1448-13
INPUT POWER (dB FS)
SFDR (dBc)
40
45
55
50
60
65
-15 -9-12 -6 -3 0
SIGNAL-TO-NOISE RATIO
vs. INPUT POWER (f
IN
= 20MHz)
MAX1448-14
INPUT POWER (dB FS)
SNR (dB)
-80
-70
-75
-60
-65
-55
-50
-15 -9-12 -6 -3 0
TOTAL HARMONIC DISTORTION
vs. INPUT POWER (f
IN
= 20MHz)
MAX1448-15
INPUT POWER (dB FS)
THD (dBc)
40
45
55
50
60
65
-15 -9-12 -6 -3 0
SIGNAL-TO-NOISE PLUS DISTORTION
vs. INPUT POWER (f
IN
= 20MHz)
MAX1448-16
INPUT POWER (dB FS)
SINAD (dB)
64
68
76
72
80
84
-40 10-15 35 60 85
SPURIOUS-FREE DYNAMIC RANGE
vs. TEMPERATURE
MAX1448-17
TEMPERATURE (°C)
SFDR (dBc)
f
IN
= 20MHz
50
54
62
58
66
70
-40 10-15 35 60 85
SIGNAL-TO-NOISE RATIO
vs. TEMPERATURE
MAX1448-18
TEMPERATURE (°C)
SNR (dB)
f
IN
= 20MHz
Typical Operating Characteristics (continued)
(V
DD
= +3.0V, OV
DD
= +2.7V, internal reference, differential input at -0.5dB FS, f
CLK
= 83.3MHz, C
L
≈ 10pF, T
A
= +25°C, unless oth-
erwise noted.)
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