Typical operating characteristics (continued) – Rainbow Electronics MAX1183 User Manual
Page 6
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
0
4
6
8
2
10 12 14
18
16
20
FFT PLOT CHB (DIFFERENTIAL INPUT,
8192-POINT DATA RECORD)
MAX1183 toc04
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
CHB
f
CLK
= 40.0005678MHz
f
INA
= 24.9661747MHz
f
INB
= 19.8879776MHz
AINB = -0.525dB FS
HD3
HD2
-100
-80
-90
-60
-70
-40
-50
-30
-10
-20
0
0
4
6
8
2
10 12 14
18
16
20
TWO-TONE IMD PLOT (DIFFERENTIAL INPUT,
8192-POINT DATA RECORD)
MAX1183 toc05
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
IMD2
IMD3
IMD3 IMD2
f
CLK
= 40.0005678MHz
f
IN1
= 11.606610MHz
f
IN2
= 13.383979MHz
AIN = -6.5dB FS
TWO-TONE ENVELOPE =
-0.525dB FS
f
IN2
f
IN1
55
57
56
59
58
60
61
1
10
100
SIGNAL-TO-NOISE RATIO vs.
ANALOG INPUT FREQUENCY
MAX1183 toc06
ANALOG INPUT FREQUENCY (MHz)
SNR (dB)
CHB
CHA
62
60
58
56
54
1
10
100
SIGNAL-TO-NOISE + DISTORTION vs.
ANALOG INPUT FREQUENCY
MAX1183 toc07
ANALOG INPUT FREQUENCY (MHz)
SINAD (dB)
CHB
CHA
-80
-77
-71
-74
-68
-65
TOTAL HARMONIC DISTORTION vs.
ANALOG INPUT FREQUENCY
MAX1183 toc08
ANALOG INPUT FREQUENCY (MHz)
THD (dBc)
1
10
100
CHB
CHA
60
64
72
68
76
80
SPURIOUS-FREE DYNAMIC RANGE vs.
ANALOG INPUT FREQUENCY
MAX1183 toc09
ANALOG INPUT FREQUENCY (MHz)
SFDR (dBc)
1
10
100
CHB
CHA
-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
= 100mVp-p
35
45
40
55
50
60
65
-20
0
SIGNAL-TO-NOISE RATIO vs.
INPUT POWER (f
IN
= 19.8879776MHz)
MAX1183 toc12
INPUT POWER (dB FS)
SNR (dB)
-12
-16
-8
-4
Typical Operating Characteristics (continued)
(V
DD
= +3V, OV
DD
= +2.5V, V
REFIN
= +2.048V, differential input at -0.5dB FS, f
CLK
= 40.0006MHz, C
L
≈ 10pF, T
A
= +25°C, unless
otherwise noted.)