MAX9934FART+TG0Y Maxim Integrated, MAX9934FART+TG0Y Datasheet - Page 17

• Manufacturer Part Number: MAX9934FART+TG0Y
• Description: Special Purpose Amplifiers
• Manufacturer: Maxim Integrated
• Series: MAX9934r

Figure 8. Multiplexed, Strain-Gauge Amplifier Operation
Maxim Integrated
High-Precision, Low-Voltage, Current-Sense Amplifier
with Current Output and Chip Select for Multiplexing
R
OUT
= R/2
V
V
V
IN1
IN3
IN2
V
MAX9934
MAX9934
V
MAX9934
V
CC
CC
CC
= 3.3V
= 3.3V
= 3.3V
CS
CS
CS
0.1µF
0.1µF
0.1µF
OUT1
OUT3
OUT2
10kΩ
V
OUT
TO EXTERNAL
REFERENCE
VOLTAGE
R
10kΩ
R
(OPTIONAL)
V
CS1
CS2
CS3
REF
MICROCONTROLLER
ADC
MAX9934
17