Datasheet

MAX1183
Dual 10-Bit, 40Msps, 3V, Low-Power ADC with
Internal Reference and Parallel Outputs
6 _______________________________________________________________________________________
-100
-80
-90
-60
-70
-40
-50
-30
-10
-20
0
046821012141816 20
FFT PLOT CHB (DIFFERENTIAL INPUT,
8192-POINT DATA RECORD)
MAX1183 toc04
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
CHB
f
CLK
= 40.0006MHz
f
INA
= 24.9662MHz
f
INB
= 19.888MHz
A
INB
= -0.525dBFS
HD3
HD2
-100
-80
-90
-60
-70
-40
-50
-30
-10
-20
0
0 46821012141816 20
TWO-TONE IMD PLOT (DIFFERENTIAL INPUT,
8192-POINT DATA RECORD)
MAX1183 toc05
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
IM2
IM3
IM3
IM2
f
CLK
= 40.0006MHz
f
IN1
= 11.6066MHz
f
IN2
= 13.3834MHz
A
IN1
= A
IN2
= -6.5dBFS
f
IN2
f
IN1
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)
V
IN
= 100mV
P-P
35
45
40
55
50
60
65
-20 0
SIGNAL-TO-NOISE RATIO vs.
ANALOG INPUT POWER (f
IN
= 19.888MHz)
MAX1183 toc12
ANALOG INPUT POWER (dBFS)
SNR (dB)
-12-16 -8 -4
Typical Operating Characteristics (continued)
(V
DD
= 3V, OV
DD
= 2.5V, V
REFIN
= 2.048V, differential input at -0.5dBFS, f
CLK
= 40.0006MHz, C
L
≈ 10pF, T
A
= +25°C, unless
otherwise noted.)