Overview
The ADM6315-31D2ARTZRL is a microprocessor supervisory circuit designed by Analog Devices Inc. This integrated circuit is specifically engineered to monitor and manage the power supply voltage in various electronic systems, ensuring reliable operation during power-up, power-down, and brownout conditions.
The device features a precision voltage monitor that can detect voltages from 2.5V to 5V at 100mV increments, making it highly versatile for different applications. It includes a manual reset input and an open-drain reset output, which can sink current from sources with a voltage greater than the VCC of the ADM6315, enhancing its compatibility with diverse systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Voltage Monitoring Range | 2.5V to 5V | V |
| Voltage Monitoring Increments | 100mV | mV |
| Reset Threshold (Typical) | 3.08V | V |
| Reset Active Timeout Period | 20ms (Typical) | ms |
| Manual Reset Input Threshold | 0.8V (VIL), 2.4V (VIH) for VTH > 4V; 0.3 × VCC (VIL), 0.7 × VCC (VIH) for VTH < 4V | V |
| Minimum Input Pulse for Reset | 1μs | μs |
| Glitch Rejection | 100ns | ns |
| Reset Output Voltage | 0.4V (Typical) | V |
| Operating Temperature Range | −40°C to +125°C | °C |
| Package Type | 4-Lead SOT-143 | |
| Thermal Resistance (θJA) | 330°C/W | °C/W |
| Power Consumption | 5μA (Typical) | μA |
Key Features
- Precision Voltage Monitoring: Monitors voltages from 2.5V to 5V at 100mV increments, ensuring accurate detection of power supply degradations.
- Manual Reset Input: Allows for manual system reset via a switch or digital circuit, enhancing user control and system reliability.
- Open-Drain Reset Output: Can sink current from sources with a voltage greater than the VCC of the ADM6315, making it suitable for diverse applications.
- Low Power Consumption: Typical power consumption of 5μA, which is beneficial for power-sensitive applications.
- Glitch Rejection and Minimum Input Pulse: Ignores negative-going pulses faster than 100ns and requires a minimum input pulse of 1μs for reset, ensuring robust operation.
- Compact Package: Available in a 4-lead SOT-143 package, which is compact and suitable for space-constrained designs.
Applications
- Microprocessor Systems: Ensures proper system startup and reset during power-up, power-down, and brownout conditions.
- Controllers and Intelligent Instruments: Provides reliable voltage monitoring and reset functions for various control and measurement systems.
- Automotive Systems: Suitable for automotive applications due to its wide operating temperature range and robust design.
- Safety Systems: Critical for safety-critical systems where reliable power monitoring and reset are essential.
- Portable Instruments: Ideal for battery-powered devices where low power consumption and accurate voltage monitoring are crucial.
Q & A
- What is the primary function of the ADM6315-31D2ARTZRL?
The primary function is to monitor the power supply voltage and provide a reset signal to ensure the proper operation of microprocessor systems during power-up, power-down, and brownout conditions.
- What is the voltage monitoring range of the ADM6315-31D2ARTZRL?
The device monitors voltages from 2.5V to 5V at 100mV increments.
- What is the typical reset threshold voltage for the ADM6315-31D2ARTZRL?
The typical reset threshold voltage is 3.08V.
- What is the minimum reset active timeout period for the ADM6315-31D2ARTZRL?
The minimum reset active timeout period is typically 20ms.
- Does the ADM6315-31D2ARTZRL have a manual reset feature?
Yes, it includes a manual reset input that allows for manual system reset via a switch or digital circuit.
- What is the power consumption of the ADM6315-31D2ARTZRL?
The typical power consumption is 5μA.
- What is the operating temperature range of the ADM6315-31D2ARTZRL?
The operating temperature range is −40°C to +125°C.
- What package type is the ADM6315-31D2ARTZRL available in?
The device is available in a 4-lead SOT-143 package.
- Is the ADM6315-31D2ARTZRL suitable for automotive applications?
Yes, it is suitable due to its wide operating temperature range and robust design.
- What is the thermal resistance (θJA) of the ADM6315-31D2ARTZRL in the SOT-143 package?
The thermal resistance (θJA) is 330°C/W.
