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Key Features
Applications/Uses
| tPD (µs) (typ) | 12 |
| VOS (mV) (max) | 10 |
| VSUPPLY (V) (min) | 2.5 |
| VSUPPLY (V) (max) | 11 |
| # Comparators | 2 |
| Thresh. (V) | 1.182 |
| Oper. Temp. (°C) | -40 to +85 0 to +70 |
| Package/Pins | PDIP/8 SOIC (N)/8 UMAX/8 |
| Budgetary Price (See Notes) | 2.82 |
Simplified Block Diagram
Technical Docs
| Data Sheet | Ultra-Low-Power, Low-Cost Comparators with 2% Reference | Feb 01, 1997 | |
| App Note | Overload Circuitry Protects Batteries and Power Supplies | ||
| App Note | Pulsed Sensor Extends Battery Life | ||
| App Note | Circuit Connection Adds Current-Mode Operation to PFM Boost Converters |
Support & Training
Search our knowledge base for answers to your technical questions.
Filtered SearchOur dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .
Sampling:
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Parameters
| tPD (µs) (typ) | 12 |
| VOS (mV) (max) | 10 |
| VSUPPLY (V) (min) | 2.5 |
| VSUPPLY (V) (max) | 11 |
| # Comparators | 2 |
| Thresh. (V) | 1.182 |
| Oper. Temp. (°C) | -40 to +85 0 to +70 |
| Package/Pins | PDIP/8 SOIC (N)/8 UMAX/8 |
| Budgetary Price (See Notes) | 2.82 |
Key Features
- Ultra-Low 4µA Max Quiescent Current over Extended Temp. Range (MAX931)
- Power Supplies:
- Single +2.5V to +11V
- Dual ±1.25V to ±5.5V
- Input Voltage Range Includes Negative Supply
- Internal 1.182V ±2% Bandgap Reference
- Adjustable Hysteresis
- TTL-/CMOS-Compatible Outputs
- 12µs Propagation Delay (10mV Overdrive)
- No Switching Crowbar Current
- 40mA Continuous Source Current
- Available in Space-Saving µMAX® Package
Applications/Uses
- Alarm Circuits
- Battery-Powered Applications
- Oscillator Circuits
- Threshold Detectors
- Window Comparators
Description
Ideal for 3V or 5V single-supply applications, the MAX931–MAX934 operate from a single +2.5V to +11V supply (or a ±1.25V to ±5V dual supply), and each comparator's input voltage range extends from the negative supply rail to within 1.3V of the positive supply.
The MAX931–MAX934's unique output stage continuously sources as much as 40mA. And by eliminating power-supply glitches that commonly occur when comparators change logic states, the MAX931–MAX934 minimize parasitic feedback, making them easier to use.
The single MAX931 and dual MAX932/MAX933 provide a unique and simple method for adding hysteresis without feedback and complicated equations, using the HYST pin and two resistors.
For applications that require increased precision with similar power requirements, see the MAX921–MAX924 data sheet. These devices include a 1% precision reference.
Technical Docs
| Data Sheet | Ultra-Low-Power, Low-Cost Comparators with 2% Reference | Feb 01, 1997 | |
| App Note | Overload Circuitry Protects Batteries and Power Supplies | ||
| App Note | Pulsed Sensor Extends Battery Life | ||
| App Note | Circuit Connection Adds Current-Mode Operation to PFM Boost Converters |
Support & Training
Search our knowledge base for answers to your technical questions.
Filtered SearchOur dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .
Sampling:
Selecting the Sample button above will redirect to the third-party ADI Sample Site. The part selected will carry over to your cart on this site once logged in. Please create a new account there if you have never used the site before. Contact SampleSupport@analog.com with any questions regarding this Sample Site.
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