Overview
The ADM6315-31D2ARTZR7, produced by Analog Devices Inc., is a reliable voltage-monitoring device designed to ensure the proper operation of systems during power-up, power-down, and brownout conditions. This supervisor IC is part of the ADM6315 series, which is known for its accurate reset threshold and robust transient immunity, making it suitable for a wide range of voltage-monitoring applications.
Key Specifications
| Parameter | Value | Notes |
|---|---|---|
| Package | TO-253-4, TO-253AA | SOT-143 |
| Pins | 4 (3+Tab) | |
| Voltage Range | 2.5 V to 5 V | |
| Reset Threshold | +3.08 V (for ADM6315-31D2ARTZR7) | Varying thresholds available in different models |
| Reset Active Timeout | 20 ms (minimum) | Varies by model and temperature range |
| Manual Reset Input | Debounced, ignores pulses < 100 ns, accepts pulses ≥ 1 μs | |
| Reset Output | Open-drain, active low | |
| Operating Temperature | -40°C to +125°C |
Key Features
- Accurate Reset Threshold: The ADM6315 series features an accurate internal voltage reference circuit, reducing the possibility of malfunctions during power failures.
- Transient Immunity: Good immunity from negative-going transients, making it suitable for use in noisy environments.
- Manual Reset Input: A debounced manual reset input that can be used via a switch or digital circuit.
- Open-Drain Reset Output: Can sink current from sources with a voltage greater than the VCC of the ADM6315, enhancing its versatility.
- Fast Reset Generation: Produces a reset in 35 μs typical during brownout conditions, ensuring system integrity.
Applications
The ADM6315-31D2ARTZR7 is suitable for various applications, including:
- Microprocessor systems requiring reliable startup and reset mechanisms.
- Systems exposed to noisy environments where transient immunity is crucial.
- Power management systems needing accurate voltage monitoring and control.
- Embedded systems that require robust power-up, power-down, and brownout protection.
Q & A
- What is the primary function of the ADM6315-31D2ARTZR7?
The primary function is to monitor system voltages and ensure proper system operation during power-up, power-down, and brownout conditions.
- What is the voltage range supported by the ADM6315-31D2ARTZR7?
The device supports voltages from 2.5 V to 5 V.
- What is the reset threshold for the ADM6315-31D2ARTZR7 model?
The reset threshold for this model is +3.08 V.
- How does the manual reset input work?
The manual reset input is debounced and ignores negative-going pulses faster than 100 ns, while accepting pulses of a duration greater than or equal to 1 μs.
- What is the significance of the open-drain reset output?
The open-drain reset output can sink current from sources with a voltage greater than the VCC of the ADM6315, making it versatile for various applications.
- How quickly does the ADM6315 generate a reset during a brownout condition?
The device produces a reset in 35 μs typical during brownout conditions.
- What is the operating temperature range of the ADM6315-31D2ARTZR7?
The operating temperature range is -40°C to +125°C.
- Why is transient immunity important for the ADM6315?
Transient immunity is crucial as it allows the device to operate reliably in noisy environments by ignoring negative-going transients.
- Can the ADM6315 be used in microprocessor systems?
Yes, it is designed to provide reliable startup and reset mechanisms for microprocessor systems.
- What package types are available for the ADM6315-31D2ARTZR7?
The device is available in TO-253-4 and TO-253AA packages.
