MAX4540CWP 查看數據表（PDF） - Maxim Integrated
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MAX4540CWP Datasheet PDF : 20 Pages
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Low-Voltage, Single 8-to-1 and
Dual 4-to-1 Cal-Multiplexers
(TA = +25°C, unless otherwise noted.)
ROUT vs. TEMPERATURE
(OFFSET DIVIDER AND GAIN DIVIDER)
260
250
240
GAIN DIVIDER
230
220
210
200
190
-40 -20
OFFSET DIVIDER
V+ = 5V
V- = -5V
VREFHI = 4.096V
VREFLO = 0
0 20 40 60 80 100
TEMPERATURE (°C)
Typical Operating Characteristics (continued)
(V+ / 2) DIVIDER OUTPUT
vs. SUPPLY VOLTAGE
2055
2054
2053
2052
2051
2050
2049
2048
2047
2046
2045
2
3
4
5
6
V+, V- (V)
(V+ - V-) DIVIDER OUTPUT
vs. SUPPLY VOLTAGE
2565
2560
2555
2550
1
2
3
4
5
V+, V- (V)
MAX4539 (Single 8-to-1 Cal-Mux)
PIN NAME
FUNCTION
1
V+
Positive Supply Voltage
2
GND Ground
3
V-
Negative Supply Voltage
4
REFHI Reference High Voltage Input
5
REFLO Reference Low Voltage Input
6
COM Multiplexer Output
7
NO1 Channel Input 1
8
NO2 Channel Input 2
9
NO3 Channel Input 3
10
NO4 Channel Input 4
11
NO5 Channel Input 5
12
NO6 Channel Input 6
13
NO7 Channel Input 7
14
NO8 Channel Input 8
15
A2
Address Bit 2
16
A1
Address Bit 1
17
A0
Address Bit 0
18
CAL
Calibration Control Input
19
EN
Multiplexer Enable
20
LATCH Address Latch Control Input
Pin Descriptions
MAX4540 (Dual 4-to-1 Cal-Mux)
PIN NAME
FUNCTION
1
V+
Positive Supply Voltage
2
GND Ground
3
V-
Negative Supply Voltage
4
REFHI Reference High Voltage Input
5
REFLO Reference Low Voltage Input
6
COMA Multiplexer Output A
7
NO1A Channel Input 1A
8
NO2A Channel Input 2A
9
NO3A Channel Input 3A
10
NO4A Channel Input 4A
11
NO1B Channel Input 1B
12
NO2B Channel Input 2B
13
NO3B Channel Input 3B
14
NO4B Channel Input 4B
15
COMB Multiplexer Output B
16
A1
Address Bit 1
17
A0
Address Bit 0
18
CAL
Calibration Control Input
19
EN
Multiplexer Enable
20
LATCH Address Latch Control Input
10 ______________________________________________________________________________________
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