Overview
The ADM810LARTZ-REEL7 is a supervisory circuit produced by Analog Devices Inc., designed to monitor the power supply voltage in microprocessor systems. This component ensures that the microprocessor operates within stable voltage conditions, providing a reset output during power-up, power-down, and brownout conditions. The ADM810LARTZ-REEL7 is part of the ADM810 series, which is known for its precision voltage monitoring and low power consumption, making it suitable for a variety of applications, including portable equipment and complex microprocessor systems.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Reset Threshold Voltage | 4.63 V | - |
| Temperature Range | -40°C to +125°C | - |
| Package Type | 3-Lead SOT-23 | - |
| Power Consumption | 17 μA | - |
| Reset Output Type | Active High, Push-Pull | - |
| Reset Assertion Time | 240 ms (minimum power-on reset) | - |
| VCC to Reset Delay | 20 μs | VCC = VTH to (VTH - 100 mV) |
| Reset Output Voltage High | 0.8 VCC (VCC > VTH max, ISOURCE = 150 μA) | - |
| Reset Output Voltage Low | 0.3 V (VCC = VTH min, ISINK = 1.2 mA) | - |
Key Features
- Precision voltage monitoring with seven reset threshold voltage options (e.g., 2.5 V, 3 V, 3.3 V, 5 V)
- Low power consumption of 17 μA, suitable for low power and portable equipment
- Active high reset signal output with push-pull configuration
- Internal timer holds reset asserted for 240 ms during power-up to ensure stable conditions
- Reset output remains operational with VCC as low as 1 V
- Built-in glitch immunity to protect against fast transients on VCC
- Available in 3-lead SOT-23 and SC70 packages
Applications
- Microprocessor systems
- Computers
- Controllers
- Intelligent instruments
- Portable equipment requiring low power consumption
Q & A
- What is the primary function of the ADM810LARTZ-REEL7?
The primary function is to monitor the power supply voltage in microprocessor systems and provide a reset output during power-up, power-down, and brownout conditions.
- What is the reset threshold voltage for the ADM810LARTZ-REEL7?
The reset threshold voltage is 4.63 V.
- What type of reset output does the ADM810LARTZ-REEL7 provide?
The ADM810LARTZ-REEL7 provides an active high reset signal with a push-pull output configuration.
- How long does the internal timer hold the reset asserted during power-up?
The internal timer holds the reset asserted for a minimum of 240 ms during power-up.
- What is the power consumption of the ADM810LARTZ-REEL7?
The power consumption is 17 μA.
- What package types are available for the ADM810 series?
The ADM810 series is available in 3-lead SOT-23 and SC70 packages.
- What is the temperature range for the ADM810LARTZ-REEL7?
The temperature range is -40°C to +125°C.
- Does the ADM810LARTZ-REEL7 have built-in glitch immunity?
Yes, it features built-in glitch immunity to protect against fast transients on VCC.
- At what minimum VCC voltage does the reset output remain operational?
The reset output remains operational with VCC as low as 1 V.
- What are some common applications for the ADM810LARTZ-REEL7?
Common applications include microprocessor systems, computers, controllers, intelligent instruments, and portable equipment.
