MAX1304_11 Datasheet, PDF (11/37 Pages) Maxim Integrated Products – 8-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCs with ±10V, ±5V

8-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCs
with ±10V, ±5V, and 0 to +5V Analog Input Ranges
Typical Operating Characteristics (continued)
(V_AVDD = +5V, V_DVDD = +3V, V_AGND = V_DGND = 0V, V_REF = V_REFMS = +2.5V (external reference), C_REF = C_REFMS = 0.1µF, C_REF+ =
C_REF- = 0.1µF, C_REF+-to-REF- = 2.2µF || 0.1µF, C_COM = 2.2µF || 0.1µF, C_MSV = 2.2µF || 0.1µF (unipolar devices), MSV = AGND (bipolar
devices), f_CLK = 16.67MHz 50% duty cycle, INTCLK/EXTCLK = AGND (external clock), f_IN = 500kHz, A_IN = -0.4dBFS. T_A = +25°C,
unless otherwise noted.) (Figures 3 and 4)
ANALOG SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
57
56
T_A = +85°C
55
T_A = +25°C
54
T_A = -40°C
53
DIGITAL SUPPLY CURRENT
vs. DIGITAL SUPPLY VOLTAGE
2.0
C_LOAD = 50pF
1.8
T_A = +85°C
1.6
T_A = +25°C
1.4
T_A = -40°C
1.2
1.0
52
0.8
51
4.7 4.8 4.9 5.0 5.1 5.2 5.3
V_AVDD (V)
0.6
2.5 3.0 3.5 4.0 4.5 5.0 5.5
V_DVDD (V)
ANALOG SHUTDOWN CURRENT
vs. ANALOG SUPPLY VOLTAGE
700
680
660
640
620
600
580
560
540
520
500
4.7 4.8 4.9 5.0 5.1 5.2 5.3
V_AVDD (V)
ANALOG SUPPLY CURRENT
vs. NUMBER OF CHANNELS SELECTED
60
CHSHDN = 0
55
DIGITAL SHUTDOWN CURRENT
vs. DIGITAL SUPPLY VOLTAGE
22
20
18
16
14
12
10
2.5 3.0 3.5 4.0 4.5 5.0 5.5
V_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
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