Overview
The ADM803SAKSZ-REEL, produced by Analog Devices Inc., is a supervisory circuit designed to monitor the power supply voltage in microprocessor systems. This component ensures that the microprocessor operates within stable voltage conditions, providing a reset signal during power-up, power-down, and brownout conditions. The ADM803 is part of the ADM803/ADM809/ADM810 family, each with distinct output configurations but sharing similar functionalities.
Key Specifications
| Parameter | Value |
|---|---|
| Reset Threshold Voltage | 2.93 V |
| Temperature Range | −40°C to +125°C |
| Package Type | 3-Lead SC70 |
| Power Consumption | 17 μA |
| Reset Output Type | Active Low, Open-Drain |
| Minimum VCC for Reset Assertion | 1 V |
| Reset Delay Time | 140 ms minimum |
| Glitch Immunity | Built-in |
| RoHS Status | Compliant |
Key Features
- Precision voltage monitoring with seven reset threshold voltage options (e.g., 2.5 V, 3 V, 3.3 V, 5 V)
- Low power consumption of 17 μA, suitable for low-power and portable equipment
- Active-low reset signal with an open-drain output stage requiring an external pull-up resistor
- Internal timer holding reset asserted for 240 ms during power-up to ensure stable conditions
- Built-in glitch immunity to protect against fast transients on VCC
- Operational down to 1 V VCC
Applications
- Microprocessor systems
- Computers
- Controllers
- Intelligent instruments
Q & A
- What is the primary function of the ADM803SAKSZ-REEL? The primary function is to monitor the power supply voltage in microprocessor systems and provide a reset signal during power-up, power-down, and brownout conditions.
- What is the reset threshold voltage for the ADM803SAKSZ-REEL? The reset threshold voltage is 2.93 V.
- What is the temperature range for the ADM803SAKSZ-REEL? The temperature range is −40°C to +125°C.
- What type of package does the ADM803SAKSZ-REEL come in? It comes in a 3-Lead SC70 package.
- How much power does the ADM803SAKSZ-REEL consume? It consumes 17 μA.
- What type of reset output does the ADM803SAKSZ-REEL have? It has an active-low, open-drain reset output.
- What is the minimum VCC required for reset assertion? The minimum VCC required is 1 V.
- What is the reset delay time for the ADM803SAKSZ-REEL? The minimum reset delay time is 140 ms.
- Is the ADM803SAKSZ-REEL RoHS compliant? Yes, it is RoHS compliant.
- What kind of immunity does the ADM803SAKSZ-REEL have against voltage transients? It has built-in glitch immunity.
