Overview
The ADM695ARZ from Analog Devices Inc. is a microprocessor supervisory circuit designed to provide comprehensive power supply monitoring and management. This IC is part of the ADM690–ADM695 family, which offers advanced features for ensuring reliable operation in various microprocessor-based systems. The ADM695ARZ is particularly useful in applications requiring precise voltage monitoring, watchdog timer functionality, and automatic battery backup power switching.
Key Specifications
| Parameter | Value |
|---|---|
| Nominal Reset Threshold | 4.65 V |
| Nominal Watchdog Timeout Period | 100 ms, 1.6 s, or Adjustable |
| Battery Backup | Yes |
| Chip Enable Signals | Yes |
| Power Consumption | 5 mW |
| Supply Current (Excludes IOUT) | 1.95 mA |
| Supply Current in Battery Backup Mode | 0.6 µA to 1 µA |
| Battery Standby Current | 600 nA |
| Output Current Drive | Up to 100 mA |
| Package Type | 16-Pin SOIC |
| Operating Voltage Range | 4.75 V to 5.5 V |
| Temperature Range | -40°C to +85°C |
Key Features
- Precision voltage monitoring with a nominal reset threshold of 4.65 V.
- Watchdog timer with adjustable timeout periods (100 ms, 1.6 s, or adjustable).
- Automatic battery backup power switching with minimal voltage drop.
- Low power consumption of 5 mW and low standby current of 600 nA.
- High current drive capability of up to 100 mA without the need for an external pass transistor.
- Extremely fast Chip Enable gating (5 ns).
- RESET assertion guaranteed with VCC as low as 1 V.
Applications
- Microprocessor systems.
- Computers and controllers.
- Intelligent instruments.
- Automotive systems.
Q & A
- What is the primary function of the ADM695ARZ? The primary function of the ADM695ARZ is to provide power supply monitoring and management for microprocessor-based systems.
- What is the nominal reset threshold of the ADM695ARZ? The nominal reset threshold is 4.65 V.
- Does the ADM695ARZ support battery backup? Yes, it supports automatic battery backup power switching.
- What are the available watchdog timeout periods for the ADM695ARZ? The watchdog timeout periods are 100 ms, 1.6 s, or adjustable.
- What is the power consumption of the ADM695ARZ? The power consumption is 5 mW.
- What is the maximum output current drive of the ADM695ARZ? The maximum output current drive is up to 100 mA.
- What is the package type of the ADM695ARZ? The package type is 16-Pin SOIC.
- What are the operating voltage and temperature ranges of the ADM695ARZ? The operating voltage range is 4.75 V to 5.5 V, and the temperature range is -40°C to +85°C.
- Does the ADM695ARZ have fast Chip Enable gating? Yes, it has extremely fast Chip Enable gating of 5 ns.
- At what VCC level is RESET assertion guaranteed? RESET assertion is guaranteed with VCC as low as 1 V.
