Typical operating characteristics – Rainbow Electronics MAX1182 User Manual
Page 6
MAX1182
Dual 10-Bit, 65Msps, +3V, Low-Power ADC with
Internal Reference and Parallel Outputs
6
_______________________________________________________________________________________
Typical Operating Characteristics
(V
DD
= +3V, OV
DD
= +2.5V, internal reference, differential input at -0.5dB FS, f
CLK
= 65MHz, C
L
≈ 10pF, T
A
= +25°C, unless otherwise
noted.)
-100
-70
-80
-90
-50
-60
-10
-20
-30
-40
0
0
5
10
15
20
25
30
35
FFT PLOT CHA (8192-POINT RECORD,
DIFFERENTIAL INPUT)
MAX1182 toc01
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
CHA
f
INA
= 6.0065MHz
f
INB
= 7.51410MHz
f
CLK
= 65.00057MHz
AINA = -0.55dB FS
-100
-70
-80
-90
-50
-60
-10
-20
-30
-40
0
0
5
10
15
20
25
30
35
FFT PLOT CHB (8192-POINT RECORD,
DIFFERENTIAL INPUT)
MAX1182 toc02
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
CHB
f
INA
= 6.0065MHz
f
INB
= 7.51410MHz
f
CLK
= 65.00057MHz
AINB = -0.56dB FS
-100
-70
-80
-90
-50
-60
-10
-20
-30
-40
0
0
5
10
15
20
25
30
35
FFT PLOT CHA (8192-POINT RECORD,
DIFFERENTIAL INPUT)
MAX1182 toc03
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
CHA
f
INA
= 20.08257MHz
f
INB
= 25.09727MHz
f
CLK
= 65.00057MHz
AINB = -0.52dB FS
-100
-70
-80
-90
-50
-60
-10
-20
-30
-40
0
0
5
10
15
20
25
30
35
FFT PLOT CHB (8192-POINT RECORD,
DIFFERENTIAL INPUT)
MAX1182 toc04
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
CHB
f
INA
= 20.08257MHz
f
INB
= 25.09727MHz
f
CLK
= 65.00057MHz
AINB = -0.52dB FS
-100
-70
-80
-90
-50
-60
-10
-20
-30
-40
0
0
5
10
15
20
25
30
35
FFT PLOT CHA (8192-POINT RECORD,
DIFFERENTIAL INPUT)
MAX1182 toc05
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
CHA
f
INA
= 37.31661MHz
f
INB
= 46.99687MHz
f
CLK
= 65.00057MHz
AINB = -0.52dB FS
-100
-70
-80
-90
-50
-60
-10
-20
-30
-40
0
0
5
10
15
20
25
30
35
FFT PLOT CHB (8192-POINT RECORD,
DIFFERENTIAL INPUT)
MAX1182 toc06
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
CHB
f
INA
= 37.31661MHz
f
INB
= 46.99687MHz
f
CLK
= 65.00057MHz
AINB = -0.49dB FS
-100
-70
-80
-90
-50
-60
-10
-20
-30
-40
0
0
5
10
15
20
25
30
35
TWO-TONE IMD PLOT (8192-POINT RECORD,
DIFFERENTIAL INPUT)
MAX1182 toc07
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
f
IN1
f
IN1
= 19.13042MHz
f
IN2
= 21.28864MHz
f
CLK
= 65.00057MHz
AIN = -6.5dB FS
TWO-TONE ENVELOPE
= -0.47dB FS
f
IN2
2nd ORDER IMD
3rd ORDER IMD
SIGNAL-TO-NOISE RATIO
vs. ANALOG INPUT FREQUENCY
MAX1182 toc08
ANALOG INPUT FREQUENCY (MHz)
SNR (dB)
61
55
56
57
58
59
60
1
10
100
CHA
CHB
DIFFERENTIAL INPUT CONFIGURATION
62
54
56
58
60
SIGNAL-TO-NOISE + DISTORTION
vs. ANALOG INPUT FREQUENCY
MAX1182 toc09
ANALOG INPUT FREQUENCY (MHz)
SINAD (dB)
1
10
100
CHA
CHB
DIFFERENTIAL INPUT CONFIGURATION