Specifications
78 Control and Automation Solutions Guide
Temperature Sensors
Part Description Features Benefits
Thermal Management
DS600 Precision analog-output
temperature sensor
Industry’s highest accuracy analog
temp sensor: ±0.5°C from -20°C to
+100°C
Improves thermocouple interface
designs with industry’s best
analog cold-junction accuracy.
DS7505 Low-voltage, precision, digital
thermometer and thermostat
±0.5°C accuracy from 0°C to +70°C,
1.7V to 3.7V operation, industry-
standard pinout
Industry-standard pinout allows
easy accuracy upgrade and supply-
voltage reduction from LM75.
DS18B20 Precision 1-Wire digital
temperature sensor
±0.5°C accuracy from -10°C to
+85°C, 1-Wire interface, 64-bit
factory-lasered ID code
Enables simple networking of
precision temperature sensors
with minimal wiring.
MAX31855 Thermocouple-to-digital converter Built-in cold-junction
compensation; versions available
for Type J-, K-, N-, R-, S-, T-, and
E-thermocouples
Simplest thermocouple interface;
no external components needed.
Data Logging
DS1923
iButton temperature and humidity
data logger
Automatic humidity logging at
±5% accuracy and temperature
logging at ±0.5°C accuracy at rates
from 1s to 273 hrs in small rugged
package
Compact, complete humidity
and temperature data logger for
rugged environments.
DS1922L/T/E
iButton temperature data logger Automatic temperature logging at
±0.5°C accuracy at rates from 1s to
273 hrs in small rugged package
Compact, complete temperature
data logger for rugged
environments.
ADCs
MAX1300*/01/02*/03 16-bit, 8-/4-channel SAR ADCs
with software-programmable
input ranges
Input range from ±12V to 0 to
2.048V, ±16.5V overvoltage-
protected inputs, PGA, internal
reference
Reduce design complexity
when working with sensors with
multiple output ranges.
MAX1415/16
MX7705
16-bit, low-power, 2-channel,
sigma-delta ADCs
Two differential channels, PGA,
single supply
Provide flexibility to interface with
a wide range of sensors.
MAX1400/01/02/03 18-bit, 5-channel, sigma-delta
ADCs
Three differential channels,
precision current sources for
excitation, burnout detection
A single ADC simplifies
temperature-sensor design for
accurate thermocouple and RTD
measurement.
MAX11200/01/02 Ultra-low-power, sigma-delta
ADCs
21-bit noise-free range at 10sps, 3V
supply, 0.45mW, 4 GPIOs
21 bits of noise-free range with
minimal impact on power budget.
Amplifiers
MAX9617/18 Ultra-low-power, zero-drift op
amps
1.5MHz GBW, 59μA supply current,
10μV (max) zero-drift input offset
voltage (V
OS
), single and dual
packaging versions
Provide high-precision
measurements in a wide variety of
low-frequency applications.
MAX9943/44 High-voltage, precision, low-
power op amps
Wide 6V to 38V supply range,
2.4MHz GBW
Design flexibility for a wide range
of applications.
MAX9939 SPI PGA with on-demand
calibration and differential in/out
configuration
Input supports negative voltages,
wide range of gain configurations,
input-error nulling feature
Calibration on-demand improves
system accuracy; minimizes harsh
environmental noise.
For a list of Maxim’s recommended temperature-sensor solutions, please go to: www.maxim-ic.com/-40+85.
*Future product—contact the factory for availability.