Typical operating characteristics (continued) – Rainbow Electronics MAX1425 User Manual
Page 8
MAX1425
10-Bit, 20Msps ADC
8
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Typical Operating Characteristics (continued)
(V
AVDD
= V
CMLP
= +5V, V
DVDD
= +3.3V, V
CMLN
= V
AGND
= 0, internal reference, digital output load = 35pF, f
CLK
= 20Msps (50%
duty cycle), for dynamic performance 0dB is full scale, T
A
= +25°C, unless otherwise noted.)
-140
-100
-120
-60
-80
-20
-40
0
0
4
2
6
8
1
5
3
7
9
10
FFT PLOT (f
IN
= 5MHz)
MAX1425-25
FREQUENCY (MHz)
MAGNITUDE (dB)
28
32
40
36
44
48
0.50
0.55
0.65
0.60
0.70
0.75
-40
-15
10
35
60
85
TOTAL SUPPLY CURRENT
vs. TEMPERATURE
MAX1425-27
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
SHUTDOWN CURRENT (mA)
SHUTDOWN
REFIN = AGND
OE/PD = 1
-140
-100
-120
-60
-80
-20
-40
0
0
4
2
6
8
1
5
3
7
9
10
FFT PLOT (f
IN
= 10MHz)
MAX1425-26
FREQUENCY (MHz)
MAGNITUDE (dB)
2.08
2.10
2.14
2.12
2.16
2.18
-40
-15
10
35
60
85
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
MAX1425-28
TEMPERATURE (°C)
INTERNAL REFERENCE (V)