Datasheet

MAX4539/MAX4540
Low-Voltage, Single 8-to-1 and
Dual 4-to-1 Cal-Multiplexers
10 ______________________________________________________________________________________
Typical Operating Characteristics (continued)
(T
A
= +25°C, unless otherwise noted.)
Pin Descriptions
PIN
Positive Supply VoltageV+1
FUNCTIONNAME
GroundGND2
MAX4539 (Single 8-to-1 Cal-Mux)
Reference High Voltage InputREFHI4
Negative Supply VoltageV-3
Multiplexer OutputCOM6
Channel Input 2NO28
Channel Input 1NO17
Reference Low Voltage InputREFLO5
Channel Input 4NO410
Channel Input 6NO612
Channel Input 5NO511
Channel Input 8NO814
Address Bit 1A116
Address Bit 2A215
Channel Input 7NO713
Channel Input 3NO39
Calibration Control InputCAL18
Address Latch Control InputLATCH20
Multiplexer EnableEN19
Address Bit 0A017
MAX4540 (Dual 4-to-1 Cal-Mux)
GroundGND2
Reference High Voltage InputREFHI4
Negative Supply VoltageV-3
Multiplexer Output ACOMA6
Channel Input 2ANO2A8
Channel Input 1ANO1A7
Reference Low Voltage InputREFLO5
Channel Input 4ANO4A10
Channel Input 2BNO2B12
Channel Input 1BNO1B11
Channel Input 4BNO4B14
PIN
Address Bit 1A116
Positive Supply VoltageV+1
FUNCTIONNAME
Multiplexer Output BCOMB15
Channel Input 3BNO3B13
Channel Input 3ANO3A9
Calibration Control InputCAL18
Address Latch Control InputLATCH20
Multiplexer EnableEN19
Address Bit 0A017
190
210
200
230
220
250
240
260
R
OUT
vs. TEMPERATURE
(OFFSET DIVIDER AND GAIN DIVIDER)
MAX4539-18
TEMPERATURE (°C)
R
OUT
(Ω)
-40
-20 0 20
40
60 80
100
V+ = 5V
V- = -5V
V
REFHI
= 4.096V
V
REFLO
= 0
GAIN DIVIDER
OFFSET DIVIDER
2045
2049
2048
2047
2046
2053
2052
2051
2050
2055
2054
24356
(V+ / 2) DIVIDER OUTPUT
vs. SUPPLY VOLTAGE
MAX4539-19a
V+, V- (V)
OUTPUT RATIO (LSB)
2550
2555
2560
2565
13245
(V+ - V-) DIVIDER OUTPUT
vs. SUPPLY VOLTAGE
MAX4539-19b
V+, V- (V)
OUTPUT RATIO (LSB)