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Part Number: MAX919
Description: The MAX917MAX920 nanopower comparators in space-saving SOT23 packages feature Beyond-the-Rails™ inputs and are gu...
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MAX919
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DataSheet
General Description
MAX919 General Description
The MAX917MAX920 nanopower comparators in space-saving SOT23 packages feature Beyond-the-Rails™ inputs and are guaranteed to operate down to +1.8V. The MAX917/MAX918 feature an on-board 1.245V ±1.5% reference and draw an ultra-low supply current of only 750nA, while the MAX919/MAX920 (without reference) require just 380nA of supply current. These features make the MAX917MAX920 family of comparators ideal for all 2-cell battery applications, including monitoring-management.
MAX919 Maximum Ratings
Supply Voltage (VCC to VEE).................................................+6V
Voltage Inputs (IN+, IN-, REF) ........(VEE - 0.3V) to (VCC + 0.3V)
Output Voltage
MAX917/MAX919........................(VEE - 0.3V) to (VCC + 0.3V)
MAX918/MAX920 ....................................(VEE - 0.3V) to +6V
Output Current ..............................................................±50mA
Output Short-Circuit Duration ..........................................10sec
Continuous Power Dissipation (TA = +70°C)
5-Pin SOT23 (derate 7.31mW/°C above +70°C).........571mW
8-Pin SO (derate 5.88mW/°C above +70°C)...............471mW
Operating Temperature Range ......................-40°C to +85°C
Storage Temperature Range .......................-65°C to +150°C
Lead Temperature (soldering, 10sec) .........................+300°C
Voltage Inputs (IN+, IN-, REF) ........(VEE - 0.3V) to (VCC + 0.3V)
Output Voltage
MAX917/MAX919........................(VEE - 0.3V) to (VCC + 0.3V)
MAX918/MAX920 ....................................(VEE - 0.3V) to +6V
Output Current ..............................................................±50mA
Output Short-Circuit Duration ..........................................10sec
Continuous Power Dissipation (TA = +70°C)
5-Pin SOT23 (derate 7.31mW/°C above +70°C).........571mW
8-Pin SO (derate 5.88mW/°C above +70°C)...............471mW
Operating Temperature Range ......................-40°C to +85°C
Storage Temperature Range .......................-65°C to +150°C
Lead Temperature (soldering, 10sec) .........................+300°C
MAX919 Features
Ultra-Low Supply Current
380nA per Comparator (MAX919/MAX920)
750nA per Comparator with Reference (MAX917/MAX918)
Guaranteed to Operate Down to +1.8V
Internal 1.245V ±1.5% Reference (MAX917/MAX918)
Input Voltage Range Extends 200mV Beyond-the-Rails
CMOS Push/Pull Output with ±8mA Drive Capability (MAX917/MAX919)
Open-Drain Output Versions Available (MAX918/MAX920)
Crowbar-Current-Free Switching
Internal Hysteresis for Clean Switching
No Phase Reversal for Overdriven Inputs
Space-Saving SOT23 Package
380nA per Comparator (MAX919/MAX920)
750nA per Comparator with Reference (MAX917/MAX918)
Guaranteed to Operate Down to +1.8V
Internal 1.245V ±1.5% Reference (MAX917/MAX918)
Input Voltage Range Extends 200mV Beyond-the-Rails
CMOS Push/Pull Output with ±8mA Drive Capability (MAX917/MAX919)
Open-Drain Output Versions Available (MAX918/MAX920)
Crowbar-Current-Free Switching
Internal Hysteresis for Clean Switching
No Phase Reversal for Overdriven Inputs
Space-Saving SOT23 Package
MAX919 Typical Application
2-Cell Battery Monitoring/Management
Ultra-Low-Power Systems
Mobile Communications
Notebooks and PDAs
Threshold Detectors/Discriminators
Sensing at Ground or Supply Line
Telemetry and Remote Systems
Medical Instruments
Ultra-Low-Power Systems
Mobile Communications
Notebooks and PDAs
Threshold Detectors/Discriminators
Sensing at Ground or Supply Line
Telemetry and Remote Systems
Medical Instruments
MAX919 Connection Diagram
MAX919
PDF/DataSheet Download
- Datasheet: MAX919
- File Size: 154078 KB
- Manufacturer: Maxim
- Click here to Download
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