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| MAX1304_09 Datasheet, PDF (11/37 Pages) Maxim Integrated Products – 8-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCs with ±10V, ±5V, and 0 to +5V Analog Input Ranges | |||
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8-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCs
with ±10V, ±5V, and 0 to +5V Analog Input Ranges
Typical Operating Characteristics (continued)
(AVDD = +5V, DVDD = +3V, AGND = DGND = 0, VREF = VREFMS = +2.5V (external reference), CREF = CREFMS = 0.1µF, CREF+ =
CREF- = 0.1µF, CREF+-to-REF- = 2.2µF || 0.1µF, CCOM = 2.2µF || 0.1µF, CMSV = 2.2µF || 0.1µF (unipolar devices), MSV = AGND (bipolar
devices), fCLK = 16.67MHz 50% duty cycle, INTCLK/EXTCLK = AGND (external clock), fIN = 500kHz, AIN = -0.4dBFS. TA = +25°C,
unless otherwise noted.) (Figures 3 and 4)
ANALOG SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
57
56
TA = +85°C
DIGITAL SUPPLY CURRENT
vs. DIGITAL SUPPLY VOLTAGE
2.0
CLOAD = 50pF
1.8
TA = +85°C
55
TA = +25°C
54
TA = -40°C
53
1.6
TA = +25°C
1.4
TA = -40°C
1.2
1.0
52
0.8
51
4.7 4.8 4.9 5.0 5.1 5.2 5.3
AVDD (V)
ANALOG SHUTDOWN CURRENT
vs. ANALOG SUPPLY VOLTAGE
700
0.6
2.5
22
3.0 3.5 4.0 4.5 5.0 5.5
DVDD (V)
DIGITAL SHUTDOWN CURRENT
vs. DIGITAL SUPPLY VOLTAGE
680
660
20
640
18
620
600
16
580
560
14
540
12
520
500
4.7 4.8 4.9 5.0 5.1 5.2 5.3
AVDD (V)
ANALOG SUPPLY CURRENT
vs. NUMBER OF CHANNELS SELECTED
60
CHSHDN = 0
55
10
2.5 3.0 3.5 4.0 4.5 5.0 5.5
DVDD (V)
DIGITAL SUPPLY CURRENT
vs. NUMBER OF CHANNELS SELECTED
1.0
CHSHDN = 0
0.9
0.8
50
0.7
0.6
45
0.5
40
0.4
0.3
35
0.2
30
012345678
NUMBER OF CHANNELS SELECTED
0.1
012345678
NUMBER OF CHANNELS SELECTED
______________________________________________________________________________________ 11
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