
MAX1183
Dual 10-Bit, 40Msps, 3V, Low-Power ADC with
Internal Reference and Parallel Outputs
6
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-100
-80
-90
-60
-70
-40
-50
-30
-10
-20
0
04
6
8
210 12 14
18
16
20
FFT PLOT CHB (DIFFERENTIAL INPUT,
8192-POINT DATA RECORD)
MAX1183
toc04
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE
(dB)
CHB
fCLK = 40.0006MHz
fINA = 24.9662MHz
fINB = 19.888MHz
AINB = -0.525dBFS
HD3
HD2
-100
-80
-90
-60
-70
-40
-50
-30
-10
-20
0
468
210 12 14
18
16
20
TWO-TONE IMD PLOT (DIFFERENTIAL INPUT,
8192-POINT DATA RECORD)
MAX1183
toc05
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE
(dB)
IM2
IM3
IM3 IM2
fCLK = 40.0006MHz
fIN1 = 11.6066MHz
fIN2 = 13.3834MHz
AIN1 = AIN2 = -6.5dBFS
fIN2
fIN1
SIGNAL-TO-NOISE RATIO vs.
ANALOG INPUT FREQUENCY
ANALOG INPUT FREQUENCY (MHz)
SNR
(dB)
MAX1183
toc06
0
1020304050607080
55
56
57
58
59
60
61
CHB
CHA
SIGNAL-TO-NOISE PLUS DISTORTION
vs. ANALOG INPUT FREQUENCY
ANALOG INPUT FREQUENCY (MHz)
SINAD
(dB)
MAX1183
toc07
0
1020304050607080
54
56
58
60
62
CHB
CHA
TOTAL HARMONIC DISTORTION vs.
ANALOG INPUT FREQUENCY
ANALOG INPUT FREQUENCY (MHz)
THD
(dBc)
MAX1183
toc08
0
1020304050607080
-100
-90
-80
-70
-60
-50
CHA
CHB
SPURIOUS-FREE DYNAMIC RANGE vs.
ANALOG INPUT FREQUENCY
ANALOG INPUT FREQUENCY (MHz)
SFDR
(dBc)
MAX1183
toc09
0
1020304050607080
40
50
60
70
80
90
CHA
CHB
-8
-4
-6
0
-2
4
2
6
1
10
100
1000
FULL-POWER INPUT BANDWIDTH vs.
ANALOG INPUT FREQUENCY, SINGLE-ENDED
MAX1183
toc10
ANALOG INPUT FREQUENCY (MHz)
GAIN
(dB)
-8
-4
-6
0
-2
4
2
6
1
10
100
1000
SMALL-SIGNAL INPUT BANDWIDTH vs.
ANALOG INPUT FREQUENCY, SINGLE-ENDED
MAX1183
toc11
ANALOG INPUT FREQUENCY (MHz)
GAIN
(dB)
VIN = 100mVP-P
35
45
40
55
50
60
65
-20
0
SIGNAL-TO-NOISE RATIO vs.
ANALOG INPUT POWER (fIN = 19.888MHz)
MAX1183
toc12
ANALOG INPUT POWER (dBFS)
SNR
(dB)
-12
-16
-8
-4
Typical Operating Characteristics (continued)
(VDD = 3V, OVDD = 2.5V, VREFIN = 2.048V, differential input at -0.5dBFS, fCLK = 40.0006MHz, CL ≈ 10pF, TA = +25°C, unless
otherwise noted.)