Description
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1 Piece
Description
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
capacitor of up to 0.01µF without oscillation.
The comparator operates from a single 2V to 11V supply
or a dual ±1V to ±5.5V supply. Comparator hysteresis is
easily programmed by using two resistors and the HYST
pin. Each comparator’s input operates from the negative
supply to within 1.3V of the positive supply. The comparator output stage can continuously source up to 40mA. By
eliminating the cross-conducting current that normally
occur when the comparator changes logic states, power
supply glitches are eliminated.
The LTC1540 is available in the 8-pin MSOP and SO
packages. For space limited applications, the LTC1540
is available in a 3mm × 3mm low profile (0.8mm) dual
fine-pitch leadless package (DFN).
Features
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
Battery-Powered System Monitoring
Threshold Detectors
Window Comparators
Oscillator Circuits
Specifications
| SMD/SMT | |
| SOIC-8 | |
| 1 Channel | |
| CMOS, TTL | |
| 2 V | |
| 11 V | |
| 300 nA | |
| 12 mV | |
| LTC1540 | |
| Reel | |
| Cut Tape | |
| Anti Static | |
| Brand: | Analog Devices |
| Product: | Analog Comparators |
| Product Type: | Analog Comparators |
| Propagation Delay Time: | 50 us |
| 2500 | |
| Subcategory: | Amplifier ICs |
Linear Technology is now part of Analog Devices
Or go directly to…
https://www.analog.com/media/en/technical-documentation/data-sheets/1540fb.pdf
PLEASE NOTE!
These parts came to us as part of a lot of surplus stock from a large ‘Mispec’ type Co. and have been kept in storage for some time, we have therefore classified them as ‘new other’, they are however pristine, stored with us sealed in original packaging, the photographs are representative of their excellent condition, being of some of our actual stock, and, as with all our products they come with a full guarantee.
If you have similar items to this, or indeed any electronic components that are surplus to requirements please contact us with details.
