Datasheet

PIN NAME FUNCTION
1 GND Ground
2 T-
Thermocouple Input. See Table 1. Do not
connect to GND.
3 T+ Thermocouple Input. See Table 1.
4 V
CC
Power-Supply Voltage
5 SCK Serial-Clock Input
6
CS
Active-Low Chip Select. Set CS low to
enable the serial interface.
7 SO Serial-Data Output
8 DNC Do Not Connect
CS
SCKV
CC
1
+
2
8
7
DNC
SOT-
T+
GND
SO
TOP VIEW
3
4
6
5
MAX31855
MAX31855
ADC
DIGITAL
CONTROL
COLD-JUNCTION
COMPENSATION
FAULT
DETECTION
REFERENCE
VOLTAGE
S4
S1
S2
S3
S5
SCK
V
CC
V
CC
SO
CS
GND
T+
T-
MAX31855 Cold-Junction Compensated
Thermocouple-to-Digital Converter
www.maximintegrated.com
Maxim Integrated │ 7
Pin DescriptionPin Conguration
Block Diagram