MAX6675ISA Datasheet, PDF (3/8 Pages) Maxim Integrated Products – Cold-Junction-Compensated K-Thermocouple to-digital converter

MAX6675
Cold-Junction-Compensated K-Thermocouple-
to-Digital Converter (0°C to +1024°C)
ELECTRICAL CHARACTERISTICS (continued)
(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
Output High Voltage
Output Low Voltage
TIMING
Serial Clock Frequency
SCK Pulse High Width
SCK Pulse Low Width
CSB Fall to SCK Rise
CSB Fall to Output Enable
CSB Rise to Output Disable
SCK Fall to Output Data
Valid
SYMBOL
CONDITIONS
V_OH
V_OL
I_SOURCE = 1.6mA
I_SINK = 1.6mA
f_SCL
t_CH
t_CL
t_CSS
t_DV
t_TR
t_DO
C_L = 10pF
C_L = 10pF
C_L = 10pF
C_L = 10pF
MIN
V_CC -
0.4
TYP
MAX UNITS
V
0.4
V
4.3 MHz
100
ns
100
ns
100
ns
100
ns
100
ns
100
ns
Note 1: All specifications are 100% tested at T_A = +25°C. Specification limits over temperature (T_A = T_MIN to T_MAX) are guaranteed
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.)
OUTPUT CODE ERROR
vs. AMBIENT TEMPERATURE
10
8
6
4
2
0
0 15 30 45 60 75 90
TEMPERATURE (°C)
Maxim Integrated
Typical Operating Characteristics
OUTPUT CODE ERROR
vs. VOLTAGE DIFFERENTIAL
10
5
0
-5
-10 0
10 20 30 40 50
VOLTAGE DIFFERENTIAL (mV)
3