Overview
The ADM6315-29D3ARTZR7, produced by Analog Devices Inc., is a microprocessor supervisory circuit designed to ensure the reliable operation of microprocessor-based systems during power-up, power-down, and brownout conditions. This device integrates a voltage monitor, a manual reset input, and an open-drain reset output, making it versatile for various applications requiring robust power management.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Voltage Monitoring Range | 2.5 V to 5 V (at 100 mV increments) | |
| Reset Threshold Voltage | 2.93 V (for ADM6315-29D3ARTZR7) | |
| Reset Active Timeout Period | 140 ms to 200 ms (typical) at TA = −40°C to +85°C | 112 ms to 336 ms (typical) at TA = −40°C to +125°C |
| Manual Reset Input Threshold | 0.3 × VCC (VIL), 0.7 × VCC (VIH) for VTH < 4 V | 0.8 V (VIL), 2.4 V (VIH) for VTH > 4 V |
| Minimum Input Pulse Width | 1 μs | |
| Glitch Rejection | 100 ns | |
| Reset Output Type | Open-drain | |
| Package Type | 4-Lead SOT-143 | |
| Operating Temperature Range | −40°C to +125°C |
Key Features
- Accurate Voltage Monitoring: The ADM6315 series can monitor voltages from 2.5 V to 5 V with precise thresholds, ensuring reliable system operation during power fluctuations.
- Open-Drain Reset Output: The reset output can sink current from sources with a voltage greater than the VCC of the ADM6315, making it suitable for diverse applications.
- Manual Reset Input: An additional input allows for manual or digital circuit-initiated system resets.
- Fast Reset Response: Produces a reset in 35 μs typical during brownout conditions, preventing system malfunctions.
- Glitch Rejection and Debouncing: Ignores negative-going pulses faster than 100 ns, ensuring stable operation.
Applications
- Microprocessor Systems: Ensures reliable startup and operation of microprocessor-based systems by providing a stable reset signal during power-up, power-down, and brownout conditions.
- Embedded Systems: Suitable for use in embedded systems that require robust power management and reset capabilities.
- Industrial Control Systems: Can be used in industrial control systems where reliable operation under varying power conditions is critical.
- Automotive Electronics: Applicable in automotive electronics for ensuring the integrity of system operation under diverse power conditions.
Q & A
- What is the primary function of the ADM6315-29D3ARTZR7?
The primary function is to monitor the system voltage and provide a reset signal to ensure the proper operation of microprocessor-based systems during power-up, power-down, and brownout conditions.
- What is the voltage monitoring range of the ADM6315 series?
The voltage monitoring range is from 2.5 V to 5 V, with monitoring at 100 mV increments.
- What is the reset threshold voltage for the ADM6315-29D3ARTZR7?
The reset threshold voltage is 2.93 V.
- How does the manual reset input work?
The manual reset input allows for manual or digital circuit-initiated system resets and ignores negative-going pulses faster than 100 ns.
- What is the typical reset active timeout period for the ADM6315-29D3ARTZR7?
The typical reset active timeout period is 140 ms to 200 ms at TA = −40°C to +85°C and 112 ms to 336 ms at TA = −40°C to +125°C.
- What type of reset output does the ADM6315 provide?
The reset output is an open-drain type, which can sink current from sources with a voltage greater than the VCC of the ADM6315.
- How quickly does the ADM6315 respond to brownout conditions?
The ADM6315 produces a reset in 35 μs typical during brownout conditions.
- What is the operating temperature range of the ADM6315-29D3ARTZR7?
The operating temperature range is −40°C to +125°C.
- What package type is the ADM6315-29D3ARTZR7 available in?
The package type is 4-Lead SOT-143.
- What are some common applications of the ADM6315 series?
Common applications include microprocessor systems, embedded systems, industrial control systems, and automotive electronics.
