Datasheet

MAX1192
Ultra-Low-Power, 22Msps, Dual 8-Bit ADC
_______________________________________________________________________________________ 9
SIGNAL-TO-NOISE RATIO
vs. ANALOG INPUT FREQUENCY
MAX1192 toc10
ANALOG INPUT FREQUENCY (MHz)
SNR (dB)
1007525 50
46.5
47.0
47.5
48.0
48.5
49.0
49.5
50.0
46.0
0125
CHANNEL A
CHANNEL B
SIGNAL-TO-NOISE AND DISTORTION
vs. ANALOG INPUT FREQUENCY
MAX1192 toc11
ANALOG INPUT FREQUENCY (MHz)
SINAD (dB)
1007525 50
46.5
47.0
47.5
48.0
48.5
49.0
49.5
50.0
46.0
0125
CHANNEL A
CHANNEL B
TOTAL HARMONIC DISTORTION
vs. ANALOG INPUT FREQUENCY
MAX1192 toc12
ANALOG INPUT FREQUENCY (MHz)
THD (dBc)
1007525 50
-80
-75
-70
-65
-60
-55
-50
-45
-85
0125
CHANNEL A
CHANNEL B
SPURIOUS-FREE DYNAMIC RANGE
vs. ANALOG INPUT FREQUENCY
MAX1192 toc13
ANALOG INPUT FREQUENCY (MHz)
SFDR (dBc)
1007525 50
50
55
60
65
70
75
80
85
45
0125
CHANNEL A
CHANNEL B
Typical Operating Characteristics (continued)
(V
DD
= 3.0V, OV
DD
= 1.8V, V
REFIN
= V
DD
(internal reference), C
L
≈ 10pF at digital outputs, differential input at -0.5dB FS, f
CLK
=
22.005678MHz at 50% duty cycle, T
A
= +25°C, unless otherwise noted.)