Datasheet

Note 1: All specifications are 100% tested at T
A
= +25°C. Specification limits over temperature (T
A
= -20°C to +85°C) are guaran-
teed by design and characterization, not production tested.
Note 2: Guaranteed by design. Not production tested.
(V
CC
= +3.3V, T
A
= +25°C, unless otherwise noted.)
(V
CC
= +3.0V to +5.5V, T
A
= -20°C to +85°C, unless otherwise noted. Typical values specified at +25°C.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Output High Voltage VOH ISOURCE = 1.6mA
VCC -
0.4
V
Output Low Voltage VOL ISINK = 1.6mA 0.4 V
TIMING
Serial Clock Frequency fSCL 4.3 MHz
SCK Pulse High Width tCH 100 ns
SCK Pulse Low Width tCL 100 ns
CSB Fall to SCK Rise tCSS CL = 10pF 100 ns
CSB Fall to Output Enable tDV CL = 10pF 100 ns
CSB Rise to Output Disable tTR CL = 10pF 100 ns
SCK Fall to Output Data Valid tDO CL = 10pF 100 ns
-2
0
-1
1
2
-1200 12000 2400 3600 4800
OUTPUT CODE ERROR
vs. VOLTAGE DIFFERENTIAL
MAX6674 toc02
VOLTAGE DIFFERENTIAL (µV)
OUTPUT CODE ERROR (°C)
2
1
0
-1
-2
0 4515 30 60 75 90
OUTPUT CODE ERROR
vs. TEMPERATURE
MAX6674 toc01
TEMPERATURE (°C)
OUTPUT CODE ERROR (°C)
Maxim Integrated │ 3
www.maximintegrated.com
MAX6674 Cold-Junction-Compensated K-Thermocouple-
to-Digital Converter (0°C to +128°C)
Typical Operating Characteristics
Electrical Characteristics (continued)