ADM803SAKSZ-REEL7
Power Management
Technical Specifications
| Type | Description |
|---|---|
| Reset Timeout | 140ms |
| Output Type | Open-drain |
| Reset Active Level | Active Low |
| Standby Current | 17uA |
| Chiptype | Simple Reset/Power-On Reset |
| Type | Description |
|---|---|
| Threshold Voltage | 2.93V |
| Number of Voltages Monitored | 1 |
| Operating Temperature | -40°C~+125°C@(TA) |
| Supply Voltage | 1.2V~5.5V |
| Package / Case | SOT-323 |
Product Introduction
The ADM803/ADM809/ADM810 supervisory circuits monitor the power supply voltage in microprocessor systems. They provide a reset output during power-up, power-down, and brownout conditions. On power-up, an internal timer holds reset asserted for 240ms. This holds the microprocessor in a reset state until conditions have stabilized. The reset output remains operational with VCC as low as 1V. The ADM803 and ADM809 provide an active low reset signal (RESET), whereas the ADM810 provides an active high signal (RESET) output. The ADM809 and ADM810 have push-pull outputs, whereas the ADM803 has an open-drain output, which requires an external pull-up resistor.
Seven reset threshold voltage options are available, suitable for monitoring a variety of supply voltages.
The reset comparator features built-in glitch immunity, making it immune to fast transients on VCC.
The ADM803/ADM809/ADM810 consume only 17μA, making them suitable for low power, portable equipment. The ADM803 is available in a 3-lead SC70; the ADM809/ADM810 are available in 3-lead SOT-23 and 3-lead SC70 packages.
Features
- Specified over temperature
- Low power consumption: 17μA
- Precision voltage monitor: 2.5V, 3V, 3.3V, 5V options
- Reset assertion down to 1V, VCC
- 140ms minimum power-on reset
- Open-drain RESET output (ADM803)
- Push-pull RESET output (ADM809)
- Push-pull RESET output (ADM810)
- SC70 and SOT-23 packages
Applications
- Microprocessor systems
- Computers
- Controllers
- Intelligent instruments
Datasheet
Alternative Parts
Common ADM803SAKSZ-REEL7 alternatives overseas buyers search for:
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| ECCN | EAR99 |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| Type | Details |
|---|---|
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
Sourcing Information
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