Specifications

42 Control and Automation Solutions Guide
Digital I/O Functions
Part Description Features Benefits
Digital I/O Modules  
MAX14830 Quad SPI/I
2
C UART with 128-byte
FIFOs
24Mbps (max) data rate, automatic
transceiver control, 16 GPIOs, 7mm
x 7mm 48-pin TQFN package
Serial interface reduces cost for
isolators.
MAX14824 IO-Link master transceiver IO-Link master transceiver; a
Type1, Type 2, and Type 3 digital
input; addressable SPI interface
Addressable SPI reduces cost
for isolation in high-port-count
masters.
Thermal Management  
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; 1-Wire interface;
64-bit, factory-lasered ID code
Connects multiple precision
temperature sensors with less wire
than any competitive solution.
MAX6631 Low-power, digital temperature
sensor
±1°C accuracy from 0°C to +70°C,
50µA (max) supply current
Very low-supply current for
minimal impact on system power
usage.
Voltage Supervisors  
MAX16023/24 Battery-backup switchover ICs
with integrated regulated output
Low power, small TDFN package,
integrated regulated output
Retain system configuration data
during brownout.
MAX6381 Single-voltage supervisor Multiple threshold and timeout
options
Versatile for easy design reuse;
saves space in small modules.
MAX6495 72V overvoltage protector Protects against transients up to
72V; small, 6-pin TDFN-EP package
Increases system reliability by
preventing component damage
due to high-voltage transients;
saves space; easy to use.
MAX6720 Triple-voltage supervisor Two-fixed, and one adjustable
thresholds
Integrates three voltage monitors
into one to shrink design size.
MAX6746 Capacitor-adjustable watchdog
timer and reset IC
Capacitor-adjustable timing, 3µA
supply current
Versatile for easy design reuse;
saves space in small modules.
Fieldbus Functions  
Part Description Features Benefits
Interface Transceivers  
MAX14770E PROFIBUS transceiver ±35kV (HBM) ESD tolerance, -40°C
to +125°C automotive temperature
range, small (3mm x 3mm) TQFN
package
Industry’s highest ESD protection
makes PLC more robust.
MAX13450E/51E RS-485 transceiver with pin-
selectable termination resistors
Integrated 100 and 120
termination resistors, FAULT
indication, flexible logic interface
Allow remote configuration of the
line termination, which simplifies
system installation.
MAX3535E Isolated RS-485 transceiver 3V to 5V operation, 2500V
RMS
isolated RS-485/RS-422
transceivers, ±15kV ESD protection
Eliminates the need for external
isolation components.
MAX13442E/43E/44E Fault-protected RS-485
transceivers
±80V fault-protected half-
duplex operation, 5V transceiver
(250kHz/10MHz)
Simplify design by eliminating
external components such as TVSs
and PTCs.
MAX13430E RS-485 transceiver with V
L
pin in
tiny µDFN
3V to 5V operation, integrated V
L
pin (down to 1.6V), 10-pin µMAX/
µDFN
Tiny package with integrated
V
L
pin saves board space and
communicates with low-voltage
FPGAs and microcontrollers.