Microprocessor Voltage Monitor with Dual Over/Undervoltage Detection
The ICL7665 warns microprocessors (µPs) of overvoltage and undervoltage conditions. It draws a typical operating current of only 3µA. The trip points and hysteresis of the two voltage detectors are individually programmed via external resistors to any voltage greater than 1.3V. The ICL7665 will operate from any supply voltage in the 1.6V to 16V range, while monitoring voltages from 1.3V to several hundred volts. The Maxim ICL7665A is an improved version with a 2%-accurate VSET1 threshold and guaranteed performance over temperature. The 3µA quiescent current of the ICL7665 makes it ideal for voltage monitoring in battery-powered systems. In both battery- and line-powered systems, the unique combination of a reference, two comparators, and hysteresis outputs reduces the size and component count of many circuits.
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ICL7665 Data Sheet | ICL7665.pdf |
Part Number | Interface | Reset Thresh. (V) | Reset Out | tRESET | Watchdog Feature | Supervisor Features | Reset Thresh. Accur. (%) | ICC (µA) | Package/Pins | Budgetary Price |
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min | @ +25°C | max | See Notes | |||||||
ICL7665 | R/C Adjustable | 1.2 to 1.8 1.8 to 2.5 2.5 to 3.3 3.3 to 5.5 | Active High Active Low Open Drain | <1ms | No Watchdog | Adjustable Reset Input Overvoltage/Window Monitor | 2 | 15 | CDIP(N)/8 PDIP(N)/8 SOIC(N)/8 TO99/8 | $2.73 @1k |
Part Number | Status | Recommended Replacement | Package | Temp | RoHS |
---|---|---|---|---|---|
ICL7665AC/D | No Longer Available | DICE SALES,;NA pin;DICE; | 0°C to +70°C | See data sheet | |
ICL7665ACJA | No Longer Available | CDIP(N),;8 pin;82.6 mm² | 0°C to +70°C | No | |
ICL7665ACJA/HR | No Longer Available | CDIP(N),;8 pin;82.6 mm² | -55°C to +125°C | No | |
ICL7665ACPA | No Longer Available | ICL7665ACPA+ | PDIP(N),;8 pin;79.7 mm² | 0°C to +70°C | No |
ICL7665ACPA+ | Active | PDIP(N),;8 pin;79.7 mm² | 0°C to +70°C | Lead Free | |
ICL7665ACSA | No Longer Available | ICL7665ACSA+ | SOIC(N),;8 pin;30.9 mm² | 0°C to +70°C | No |
ICL7665ACSA+ | Active | SOIC(N),;8 pin;30.9 mm² | 0°C to +70°C | Lead Free | |
ICL7665ACSA+T | Active | SOIC(N),;8 pin;30.9 mm² | 0°C to +70°C | Lead Free | |
ICL7665ACSA-T | No Longer Available | ICL7665ACSA+T | SOIC(N),;8 pin;30.9 mm² | 0°C to +70°C | No |
ICL7665ACTV | No Longer Available | TO99,;8 pin;88.4 mm² | 0°C to +70°C | No | |
Part Number | Status | Recommended Replacement | Package | Temp | RoHS |
ICL7665AEPA | No Longer Available | ICL7665AEPA+ | PDIP(N),;8 pin;79.7 mm² | -40°C to +85°C | No |
ICL7665AEPA+ | Active | PDIP(N),;8 pin;79.7 mm² | -40°C to +85°C | Lead Free | |
ICL7665AESA | No Longer Available | ICL7665AESA+ | SOIC(N),;8 pin;30.9 mm² | -40°C to +85°C | No |
ICL7665AESA+ | Active | SOIC(N),;8 pin;30.9 mm² | -40°C to +85°C | Lead Free | |
ICL7665AESA+T | Active | SOIC(N),;8 pin;30.9 mm² | -40°C to +85°C | Lead Free | |
ICL7665AESA-T | No Longer Available | ICL7665AESA+T | SOIC(N),;8 pin;30.9 mm² | -40°C to +85°C | No |
ICL7665BC/D | No Longer Available | DICE SALES,;NA pin;DICE; | 0°C to +70°C | See data sheet | |
ICL7665BCJA | No Longer Available | CDIP(N),;8 pin;82.6 mm² | 0°C to +70°C | No | |
ICL7665BCPA | No Longer Available | PDIP(N),;8 pin;79.7 mm² | 0°C to +70°C | No | |
ICL7665BCSA | No Longer Available | SOIC(N),;8 pin;30.9 mm² | 0°C to +70°C | No | |
Part Number | Status | Recommended Replacement | Package | Temp | RoHS |
ICL7665BCSA-T | No Longer Available | N.SO;8 pin | 0°C to +70°C | See data sheet | |
ICL7665BCTV | No Longer Available | TO99,;8 pin;88.4 mm² | 0°C to +70°C | No | |
ICL7665C/D | No Longer Available | DICE SALES,;NA pin;DICE S; | 0°C to +70°C | See data sheet | |
ICL7665CJA | No Longer Available | CDIP(N),;8 pin;82.6 mm² | 0°C to +70°C | No | |
ICL7665CPA | No Longer Available | PDIP(N),;8 pin;79.7 mm² | 0°C to +70°C | No | |
ICL7665CSA | No Longer Available | ICL7665CSA+ | SOIC(N),;8 pin;30.9 mm² | 0°C to +70°C | No |
ICL7665CSA+ | Active | SOIC(N),;8 pin;30.9 mm² | 0°C to +70°C | Lead Free | |
ICL7665CSA+T | Active | SOIC(N),;8 pin;30.9 mm² | 0°C to +70°C | Lead Free | |
ICL7665CSA-T | No Longer Available | ICL7665CSA+T | N.SO;8 pin | 0°C to +70°C | See data sheet |
ICL7665CTV | No Longer Available | TO99,;8 pin;88.4 mm² | 0°C to +70°C | No | |
Part Number | Status | Recommended Replacement | Package | Temp | RoHS |
ICL7665EPA | No Longer Available | PDIP(N),;8 pin;79.7 mm² | -40°C to +85°C | No | |
ICL7665ESA+ | Active | SOIC(N),;8 pin;30.9 mm² | -40°C to +85°C | Lead Free | |
ICL7665ESA+T | Active | N.SO; | -40°C to +85°C | See data sheet | |
ICL7665IJA | No Longer Available | CDIP(N),;8 pin;82.6 mm² | -20°C to +85°C | No | |
ICL7665IPA | No Longer Available | ICL7665EPA | PDIP(N),;8 pin;79.7 mm² | -40°C to +85°C | No |