MAX815
±1% Accuracy, Low-Power, +3V and +5V µP Supervisory Circuits
1% Accurate Microprocessor Supervisory ICs
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Key Features
Applications/Uses
| Reset Thresh. (V) | 2.5 to 3.3 3.3 to 5.5 |
| Reset Thresh. Accur. (%) (@ +25°C) | 1 |
| Reset Out | Active Low Push-Pull |
| tRESET (min) | 85ms to 300ms |
| Watchdog Feature | Input (WDI) Input/Output (WDI/WDO) |
| Watchdog Timeout | 1s to 2s |
| Supervisor Features | Adjustable Reset Input Manual Reset Power Fail Comparator/Low Battery Detect |
| ICC (µA) (max) | 75 |
| Package/Pins | PDIP/8 SOIC (N)/8 |
| Budgetary Price (See Notes) | 7.74 |
Simplified Block Diagram
Technical Docs
| Data Sheet | ±1% Accuracy, Low-Power, +3V and +5V µP Supervisory Circuits | Sep 28, 2006 | |
| App Note | Supervisor ICs Monitor Battery-Powered Equipment |
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.
Parameters
| Reset Thresh. (V) | 2.5 to 3.3 3.3 to 5.5 |
| Reset Thresh. Accur. (%) (@ +25°C) | 1 |
| Reset Out | Active Low Push-Pull |
| tRESET (min) | 85ms to 300ms |
| Watchdog Feature | Input (WDI) Input/Output (WDI/WDO) |
| Watchdog Timeout | 1s to 2s |
| Supervisor Features | Adjustable Reset Input Manual Reset Power Fail Comparator/Low Battery Detect |
| ICC (µA) (max) | 75 |
| Package/Pins | PDIP/8 SOIC (N)/8 |
| Budgetary Price (See Notes) | 7.74 |
Key Features
- ±1% Worst-Case Reset Threshold Accuracy
- 4.8V, 4.7V, 4.55V, 3.03V, or Adjustable Reset Thresholds
- ±1% Low-Line Threshold Accuracy (MAX814) 60mV Above Reset Threshold
- 200ms Reset Time Delay
- Active-Low RESET Output
- Active-High RESET Output (MAX814/MAX816)
- 75µA Max Supply Current
- Guaranteed active-low RESET Valid to VCC = 1V
- Manual Reset Input
- ±2% Power-Fail Comparator
- Independent Watchdog with 1.56sec Timeout (MAX815)
- Power-Supply Glitch Immunity
- 8-Pin SO and DIP Packages
Applications/Uses
- Controllers
- Critical µP Monitoring
- Intelligent Instruments
- Medical Equipment
- Portable Battery-Powered Equipment
- Set-Top Boxes
Description
A 75µA maximum supply current makes the MAX814/MAX815/MAX816 ideal for use in portable equipment. All three devices are available in 8-pin DIP and SO packages. See the Selector Table below for a review of features.
Technical Docs
| Data Sheet | ±1% Accuracy, Low-Power, +3V and +5V µP Supervisory Circuits | Sep 28, 2006 | |
| App Note | Supervisor ICs Monitor Battery-Powered Equipment |
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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