Overview
The ADM709LAR is a power management IC designed by Analog Devices Inc., specifically functioning as a voltage supervisor and power-on reset generator. This component is crucial for ensuring reliable system operations by monitoring the power supply voltage and generating a system reset during power-up, power-down, and brownout conditions. It is available in an 8-pin SOIC package and operates over a wide temperature range of -40°C to +85°C.
Key Specifications
| Parameter | Value | Units | Comments |
|---|---|---|---|
| Manufacturer | Analog Devices Inc. | ||
| Part Number | ADM709LAR | ||
| Package | 8-SOIC (0.154", 3.90mm Width) | ||
| Pin Count | 8 | ||
| Operating Temperature | -40°C to +85°C | °C | |
| Reset Threshold Voltage | 4.65 V | V | |
| Reset Timeout | 140 ms (min) | ms | |
| Quiescent Current | 35 µA to 200 µA | µA | Dependent on VCC and temperature range |
| Reset Output Type | Push-Pull, Totem Pole | ||
| Moisture Sensitivity Level | 1 (Unlimited) |
Key Features
- Precision Supply Voltage Monitoring: The ADM709LAR accurately monitors the power supply voltage, ensuring reliable system operations.
- Power-On Reset Generator: It generates a system reset during power-up, power-down, and brownout conditions, holding the reset output low for a minimum of 140 ms after VCC rises above the threshold.
- Low Power Consumption: The IC has a quiescent current ranging from 35 µA to 200 µA, depending on the VCC and temperature range.
- Fast Response Time: It has a fast response to out-of-tolerance voltage conditions, ensuring prompt system reset.
- Compact Package: Available in an 8-SOIC package, making it suitable for space-constrained applications.
- Wide Operating Temperature Range: Operates over a temperature range of -40°C to +85°C, making it versatile for diverse environments.
Applications
- Microprocessor Systems: Ideal for monitoring and resetting microprocessors during power-up and power-down cycles.
- Computers and Data Storage: Used in computing and data storage systems to ensure reliable power supply monitoring.
- Controllers and Intelligent Instruments: Suitable for use in various control systems and intelligent instruments that require precise voltage monitoring.
- Automotive Systems: Can be used in automotive systems where critical power monitoring is necessary.
Q & A
- What is the primary function of the ADM709LAR?
The primary function of the ADM709LAR is to monitor the power supply voltage and generate a system reset during power-up, power-down, and brownout conditions. - What is the reset threshold voltage for the ADM709LAR?
The reset threshold voltage for the ADM709LAR is 4.65 V. - What is the package type and pin count of the ADM709LAR?
The ADM709LAR is available in an 8-pin SOIC package. - What is the operating temperature range of the ADM709LAR?
The operating temperature range of the ADM709LAR is -40°C to +85°C. - How long does the reset output remain low after VCC rises above the threshold?
The reset output remains low for a minimum of 140 ms after VCC rises above the threshold. - What is the quiescent current range of the ADM709LAR?
The quiescent current range of the ADM709LAR is from 35 µA to 200 µA, depending on VCC and temperature range. - Is the ADM709LAR RoHS compliant?
No, the ADM709LAR is not RoHS compliant; it contains lead. - What type of output does the ADM709LAR have?
The ADM709LAR has a push-pull, totem pole output. - What are some common applications of the ADM709LAR?
Common applications include microprocessor systems, computers, data storage, controllers, intelligent instruments, and automotive systems. - What is the moisture sensitivity level of the ADM709LAR?
The moisture sensitivity level of the ADM709LAR is 1 (Unlimited).
