
MAX1418
15-Bit, 65Msps ADC with -78.2dBFS
Noise Floor for IF Applications
_______________________________________________________________________________________ 7
-140
-130
-100
-120
-90
-110
-80
-70 -50 -40-60 -30 -20 -10 0
HD2/HD3 vs. ANALOG INPUT AMPLITUDE
(f
CLK
= 65.0117MHz, f
IN
= 70.0015MHz)
MAX1418toc13
ANALOG INPUT AMPLITUDE (dBFS)
HD2/HD3 (dBFS)
HD2
HD3
70
71
74
72
73
76
77
75
78
20 4030 50 60 70 80
SNR vs. SAMPLING FREQUENCY
(f
IN
= 15.2MHz, A
IN
= -2dBFS)
MAX1418toc14
f
CLK
(MHz)
SNR (dB)
75
85
80
95
90
100
105
20 30 40 50 60 70 80
SFDR1/SFDR2 vs. SAMPLING FREQUENCY
(f
IN
= 15.2MHz, A
IN
= -2dBFS)
MAX1418toc15
f
CLK
(MHz)
SFDR1/SFDR2 (dBc)
SFDR2
SFDR1
-110
-105
-85
-95
-75
-90
-100
-80
-70
20 30 40 50 60 70 80
HD2/HD3 vs. SAMPLING FREQUENCY
(f
IN
= 15.2MHz, A
IN
= -2dBFS)
MAX1418toc16
f
CLK
(MHz)
HD2/HD3 (dBc)
HD2
HD3
Typical Operating Characteristics (continued)
(AV
CC
= 5V, DV
CC
= DRV
CC
= 2.5V, INP and INN driven differentially with a -2dBFS amplitude, CLKP and CLKN driven differentially
with a 2V
P-P
sinusoidal input signal, C
L
= 5pF at digital outputs, f
CLK
= 65MHz, T
A
= 25°C. All AC data based on a 32k-point FFT
record and under coherent sampling conditions.)
70
71
73
72
75
76
74
77
-40 10 35-15 60 85
SNR vs. TEMPERATURE
(f
CLK
= 65.0117MHz, f
IN
= 15.0010MHz,
A
IN
= -2dBFS)
MAX1418toc17
TEMPERATURE (°C)
SNR (dB)
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