Overview
The ADM803TAKSZ-REEL7 is a microprocessor supervisory circuit produced by Analog Devices Inc. This component is designed to monitor the power supply voltage in microprocessor systems, ensuring stable operation and preventing damage from power anomalies.
The ADM803 series includes several models, but the ADM803TAKSZ-REEL7 specifically offers a reset threshold voltage of 3.08V and operates over a temperature range of -40°C to +125°C. It is packaged in a 3-lead SC70 package, making it suitable for low-power, portable equipment due to its low current consumption of 17 μA.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Reset Threshold Voltage | 3.08 V | - |
| Temperature Range | -40°C to +125°C | - |
| Package Type | 3-Lead SC70 | - |
| Current Consumption | 17 μA | - |
| Reset Output Type | Active Low, Open-Drain | - |
| Reset Active Timeout Period | 140 ms to 460 ms | TA = -40°C to +85°C |
| Reset Output Voltage Low | 0.3 V (VCC = VTH min, ISINK = 1.2 mA) | - |
| VCC to Reset Delay | 20 μs | VCC = VTH to (VTH - 100 mV) |
| Absolute Maximum Ratings - VCC | -0.3 V to +6 V | - |
Key Features
- Low Power Consumption: The ADM803TAKSZ-REEL7 consumes only 17 μA, making it suitable for low-power, portable equipment.
- Reset Threshold Options: Available with seven reset threshold voltage options to monitor a variety of supply voltages.
- Glitch Immunity: The reset comparator features built-in glitch immunity, making it immune to fast transients on VCC.
- Open-Drain Output: The ADM803 has an open-drain output, which requires an external pull-up resistor.
- Temperature Range: Operates over a wide temperature range of -40°C to +125°C.
- Compact Packaging: Available in a 3-lead SC70 package, ideal for space-constrained designs.
Applications
- Microprocessor Systems: Designed to monitor power supply voltage in microprocessor systems, ensuring stable operation and preventing damage from power anomalies.
- Portable Equipment: Suitable for low-power, portable equipment due to its low current consumption.
- Embedded Systems: Used in various embedded systems where reliable power monitoring is crucial.
- Industrial Control Systems: Can be used in industrial control systems to ensure reliable operation under varying power conditions.
Q & A
- What is the primary function of the ADM803TAKSZ-REEL7?
The primary function is to monitor the power supply voltage in microprocessor systems and provide a reset signal if the voltage falls below a specified threshold.
- What is the reset threshold voltage for the ADM803TAKSZ-REEL7?
The reset threshold voltage is 3.08 V.
- What type of output does the ADM803TAKSZ-REEL7 have?
The output is an active low, open-drain reset signal.
- How much current does the ADM803TAKSZ-REEL7 consume?
The component consumes 17 μA.
- What is the temperature range for the ADM803TAKSZ-REEL7?
The temperature range is -40°C to +125°C.
- What type of package is the ADM803TAKSZ-REEL7 available in?
The component is available in a 3-lead SC70 package.
- Does the ADM803TAKSZ-REEL7 have built-in glitch immunity?
Yes, the reset comparator features built-in glitch immunity.
- What is the VCC to reset delay for the ADM803TAKSZ-REEL7?
The VCC to reset delay is 20 μs.
- What are the absolute maximum ratings for VCC?
The absolute maximum ratings for VCC are -0.3 V to +6 V.
- What are some common applications for the ADM803TAKSZ-REEL7?
Common applications include microprocessor systems, portable equipment, embedded systems, and industrial control systems.
