Specifications
43PLCs: Recommended Solutions
CPU Functions
Part Description Features Benefits
Microcontrollers
MAXQ2010 Low-power, 16-bit mixed-signal
LCD microcontroller
64KB flash; 8-channel, 12-bit SAR
ADC; 160-segment LCD, hardware
multiplier; SPI/I
2
C and two USART
interface; 370nA stop-mode
current
High integration in a single chip;
low power consumption.
MAXQ8913 16-bit mixed-signal
microcontroller
64KB flash; 7-channel, 12-bit SAR
ADC; dual, 10-bit differential DACs;
dual, 8-bit single-ended DACs;
four op amps; a temp sensor;
two current sinks; USART/SPI/I
2
C
interface
High integration provides a true
mixed-signal one-chip solution.
UARTs
MAX3107 SPI/I
2
C UART 24Mbps (max) data rate, 128-
byte FIFOs, automatic RS-485
transceiver control, 4 GPIOs, 24-pin
SSOP or small 3.5mm x 3.5mm
TQFN
Eases system design.
MAX3109 Dual serial UART with 128-word
FIFOs
24Mbps (max) data rate, 128-byte
FIFOs, automatic RS-485
transceiver control, 8 GPIOs, 32-pin
TQFN
Eases system design.
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.
MAX6602 5-channel precision temperature
monitor
One local and four remote digital
sensing channels, ±1°C accuracy
Reduces board space compared to
five separate temperature sensors.
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 Protection 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 thresholds and one
adjustable threshold
Integrates three voltage monitors
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.