MAX1181 Maxim Integrated Products, MAX1181 Datasheet - Page 6

• Manufacturer Part Number: MAX1181
• Description: Low-Power ADC
• Manufacturer: Maxim Integrated Products

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Dual 10-Bit, 80Msps, 3V, Low-Power ADC
with Internal Reference and Parallel Outputs
(V
wise noted.)
6
DD
-100
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-20
-30
-40
-50
-60
-70
-80
-90
-65
-68
-71
-74
-77
-80
_______________________________________________________________________________________
TWO-TONE IMD PLOT (8192-POINT RECORD,
0
0
= 3V, OV
0
0
0
FFT PLOT CHB (8192-POINT RECORD,
f
f
f
A
IN1
IN2
CLK
f
f
f
A
10
IN1
INA
INB
CLK
vs. ANALOG INPUT FREQUENCY
INB
TOTAL HARMONIC DISTORTION
2nd ORDER IMD
5
5
= 38.1546MHz
= 41.9632MHz
ANALOG INPUT FREQUENCY (MHz)
ANALOG INPUT FREQUENCY (MHz)
ANALOG INPUT FREQUENCY (MHz)
= 80.0006MHz
= A
= 19.9123MHz
= 24.9123MHz
= 80.0006MHz
CHB
= -0.53dBFS
20 30
COHERENT SAMPLING)
DIFFERENTIAL INPUT)
DD
10
10
IN2
= -6dBFS
= 2.5V, internal reference, differential input at -0.5dBFS, f
15
15
40 50
CHA
20
20
60 70 80 90 100
25
25
30
30
f
IN1
f
IN2
CHB
35
35
40
40
-100
Typical Operating Characteristics (continued)
-10
-20
-30
-40
-50
-60
-70
-80
-90
61
60
59
58
57
56
55
80
77
74
71
68
65
0
0
0
0
FFT PLOT CHA (8192-POINT RECORD,
f
f
f
A
SPURIOUS-FREE DYNAMIC RANGE
INA
INB
CLK
10 20
10
INA
vs. ANALOG INPUT FREQUENCY
vs. ANALOG INPUT FREQUENCY
5
ANALOG INPUT FREQUENCY (MHz)
= 40.4202MHz
= 47.0413MHz
ANALOG INPUT FREQUENCY (MHz)
ANALOG INPUT FREQUENCY (MHz)
= 80.0006MHz
= -0.52dBFS
SIGNAL-TO-NOISE RATIO
20 30
DIFFERENTIAL INPUT)
10
CHA
CHB
30
15
40
40 50
50 60 70 80 90 100
20
CHB
CHA
60 70 80 90 100
25
CLK
30
= 80.0006MHz, C
CHA
35
40
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
-2
-4
-6
-8
61
60
59
58
57
56
55
4
2
0
6
0
1
L
0
0
FFT PLOT CHB (8192-POINT RECORD,
≈ 10pF. T
f
f
f
A
SIGNAL-TO-NOISE AND DISTORTION
INA
INB
CLK
FULL-POWER INPUT BANDWIDTH
10 20
INB
vs. ANALOG INPUT FREQUENCY
vs. ANALOG INPUT FREQUENCY
5
ANALOG INPUT FREQUENCY (MHz)
= 40.4202MHz
= 47.0413MHz
ANALOG INPUT FREQUENCY (MHz)
ANALOG INPUT FREQUENCY (MHz)
= 80.0006MHz
= -0.53dBFS
DIFFERENTIAL INPUT)
10
30
(SINGLE-ENDED)
10
A
15
40
= +25°C, unless other-
CHB
20
50 60 70 80 90 100
25
CHA
100
CHB
30
35
1000
40