MAX6603 Maxim Integrated Products, MAX6603 Datasheet - Page 7

• Manufacturer Part Number: MAX6603
• Description: Platinum RTD-to-Voltage Signal Conditioner
• Manufacturer: Maxim Integrated Products

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Figure 2. The various fault conditions that cause the diagnostic output to assert low are shown for a single channel.
RTD SENSOR
OPEN
OPEN
_______________________________________________________________________________________
SHORT TO BAT
SHORT TO BAT
Dual-Channel, Platinum RTD-to-Voltage
(16V)
(16V)
SHORT TO GND
SHORT TO GND
±5kV ESD
SHORT TOGETHER
CHASSIS GND
RS2+
RS2-
RS1+
RS1-
CLAMP
CLAMP
CLAMP
CLAMP
ESD
ESD
ESD
ESD
V
V
CC
CC
R
R
SRC
SRC
0.1µF
I
I
EXC
EXC
Signal Conditioner
DETECT
DETECT
HI-V
HI-V
GND
V
CC
MAX6603
AMP
AMP
DETECT
DETECT
FAULT
FAULT
+5V
OUT1
OUT1
DG1
OUT2
DG2
ADC1
INPUT1
ADC2
INPUT2
MICROCONTROLLER
ADC-REF
V
CC
0.1µF
7