MAX1190
Dual 10-Bit, 120Msps, 3.3V, Low-Power ADC
with Internal Reference and Parallel Outputs
_______________________________________________________________________________________ 7
TOTAL HARMONIC DISTORTION
vs. ANALOG INPUT FREQUENCY
MAX1190 toc07
ANALOG INPUT FREQUENCY (MHz)
THD (dBc)
-72
-64
-56
-48
-40
-80
CHA
CHB
100
80
604020
90
70
503010
0
SPURIOUS-FREE DYNAMIC RANGE
vs. ANALOG INPUT FREQUENCY
MAX1190 toc08
ANALOG INPUT FREQUENCY (MHz)
SFDR (dBc)
48
56
64
72
80
40
CHB
CHA
100
80
604020
90
70
503010
0
SNR/SINAD, -THD/SFDR
vs. CLOCK DUTY CYCLE
MAX1190 toc09
CLOCK DUTY CYCLE (%)
SNR/SINAD, -THD/SFDR (dB, dBc)
56524844
20
40
60
80
100
0
40 60
SFDR
SINAD
f
INA/B
= 20.02536MHz
SNR
-THD
FULL-POWER INPUT BANDWIDTH
vs. ANALOG INPUT FREQUENCY
MAX1190 toc10
ANALOG INPUT FREQUENCY (MHz)
GAIN (dB)
10010
-7
-4
-1
2
5
-10
11000
SMALL-SIGNAL INPUT BANDWIDTH
vs. ANALOG INPUT FREQUENCY
MAX1190 toc11
ANALOG INPUT FREQUENCY (MHz)
GAIN (dB)
10010
-6
-4
-2
0
2
4
6
-8
11000
V
IN
= 100mV
P-P
SIGNAL-TO-NOISE + DISTORTION
vs. ANALOG INPUT POWER (f
IN
= 20.02536MHz)
MAX1190 toc13
ANALOG INPUT POWER (dBFS)
SINAD (dB)
-4-8-12-16
44
48
52
56
60
40
-20 0
TOTAL HARMONIC DISTORTION
vs. ANALOG INPUT POWER (f
IN
= 20.02536MHz)
MAX1190 toc14
ANALOG INPUT POWER (dBFS)
THD (dBc)
-4-8-12-16
-74
-68
-62
-56
-50
-80
-20 0
SPURIOUS-FREE DYNAMIC RANGE
vs. ANALOG INPUT POWER (f
IN
= 20.02536MHz)
MAX1190 toc15
ANALOG INPUT POWER (dBFS)
SFDR (dBc)
-4-8-12-16
56
62
68
74
80
50
-20 0
Typical Operating Characteristics (continued)
(V
DD
= 3.3V, OV
DD
= 2.5V, V
REFIN
= 2.048V, differential input at -0.5dBFS, f
CLK
= 120MHz, C
L
≈ 10pF, T
A
= +25°C, unless otherwise noted.)
SIGNAL-TO-NOISE RATIO
vs. ANALOG INPUT POWER (f
IN
= 20.02536MHz)
MAX1190 toc12
ANALOG INPUT POWER (dBFS)
SNR (dB)
-4-8-12-16
44
48
52
56
60
40
-20 0