MAX6675ISA+ Maxim Integrated Products, MAX6675ISA+ Datasheet - Page 6

• Manufacturer Part Number: MAX6675ISA+
• Description: IC THERMOCOUP TO DGTL 8-SOIC
• Manufacturer: Maxim Integrated Products
• Type: Thermocouple Conditionerr

Specifications of MAX6675ISA+

• Input Type: Logic
• Output Type: Logic
• Interface: SPI
• Current - Supply: 1.5mA
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Full Temp Accuracy: +/- 3 C
• Digital Output - Bus Interface: 3-Wire, SPI
• Digital Output - Number Of Bits: 12 bit
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 3 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 20 C
• Supply Current: 1.5 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Cold-Junction-Compensated K-Thermocouple-
to-Digital Converter (0°C to +1024°C)
Figure 1a. Serial Interface Protocol
Figure 1b. Serial Interface Timing
Figure 2. SO Output
6
BIT
Bit
_______________________________________________________________________________________
SCK
SO
CS
SIGN BIT
DUMMY
SCK
CS
SO
15
0
t
DV
D15
MSB
14
D15
D14
13
t
CSS
D13
12
t
CH
D12
11
TEMPERATURE READING
D11
10
t
D10
DO
9
12-BIT
D9
8
t
CL
D8
7
D7
6
D6
5
D5
4
D4
LSB
3
D3
THERMOCOUPLE
D3
D2
INPUT
D2
D1
2
t
TR
D0
D1
D0
DEVICE
ID
1
0
STATE
Three-
state
0