Nanopower Comparator with Reference
LTC1540
Nanopower Comparator
with Reference
FEATURES n n n n n n n n n n n n DESCRIPTION Ultralow Quiescent Current: 0.3µA Typ
Reference Output Drives 0.01µF Capacitor
Adjustable Hysteresis
Available in 3mm × 3mm × 0.8mm DFN Package
Wide Supply Range: 2V to 11V
Input Voltage Range Includes the Negative Supply
Reference Output Sources Up to 1mA
TTL/CMOS Compatible Outputs
60µs Propagation Delay with 10mV Overdrive
No Crowbar Current
40mA Continuous Source Current
Pin Compatible with LTC1440, MAX921, MAX931 APPLICATIONS n n Battery-Powered System Monitoring
Threshold Detectors
Window Comparators
Oscillator Circuits L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and C-Load
is a trademark of Analog Devices, Inc. All other trademarks are the property of their respective
owners. The LTC®1540 is an ultralow power, single comparator with built-in reference. The comparator’s features
include less than 0.6µA supply current over the commercial
temperature range, a 1.182V ± 2% reference, programmable hysteresis and TTL/CMOS outputs that sink and
source current. The reference output can drive a bypass …
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