Specifications
Security and surveillance
IP cameras
www.digikey.com/maxim-industrial 127
Part Description Features Benefits
Real-time clocks (RTCs)
DS1340 I
2
C RTC with trickle charger Automatic backup power switching Reliable timekeeping during power-supply
interruptions
DS1390 Low-voltage SPI™/3-wire RTC with
trickle charger
Automatic backup power switching, time-of-day alarm Reliable timekeeping during power-supply
interruptions
DS1318 44-bit binary counter Resolution of 244µs; counter can be configured as an
event counter or RTC
Reliable event tracking during power-supply
interruptions
Supervisors
MAX6736–
MAX6745
Dual-/triple-voltage monitors SC70 package, 6µA supply current Conserve battery life; save boardspace compared to
using multiple single-voltage monitors
MAX6381–
MAX6390
Single-/dual-voltage monitors 1.8V to 5V supply, 3µA (typ) at 1.8V, SC70, various
reset thresholds and timeouts
SC70 package saves board space; no external
resistors or capacitors required
MAX16056–
MAX16059
Ultra-low-power reset + watchdog ICs 125nA supply current, capacitor-adjustable reset and
watchdog timeout delays
Save power and battery life; adjustable timeouts
allow designers to use one IC across multiple
applications
MAX16054 Pushbutton on/off controller ±15kV ESD protection, SOT23 package, 7µA quiescent
current
ESD protection increases reliability; SOT23 package
saves board space
MAX6443–
MAX6452
Voltage monitors with extended-
setup-delay pushbutton
Extended pushbutton setup delay (6s), single or dual
manual-reset inputs
Increase reliability by avoiding accidental resets
Temperature sensors
MAX6613 Low-voltage analog temperature
sensor
1.8V to 5.5V operation, 13µA (max) supply current,
SC70 package
Provides temperature sensing while minimizing
power drain
MAX6631 Low-power digital temperature sensor ±1°C accuracy from 0°C to +70°C, 50µA (max) supply
current
Minimizes power consumption
DS7505 Low-voltage, ±0.5°C accurate digital
thermometer and thermostat
±0.5°C accuracy from 0°C to +70°C, 1.7V to 3.7V
operation, industry-standard pinout and registers
Industry-standard pinout allows easy accuracy
upgrade and supply voltage reduction from LM75
For a list of Maxim's recommended solutions, please visit: www.maxim-ic.com/IPcamera.
Recommended solutions (continued)