Overview
The ADM802LARNZ is a single-supply monitor integrated circuit produced by Analog Devices Inc. This component is designed to provide comprehensive power supply monitoring and control functions, making it an essential part of various microprocessor and computer systems. The ADM802LARNZ is part of the ADM690A/ADM692A/ADM802L/M/ADM805L/M family, which offers a range of features including power-on reset, battery backup switching, watchdog timer, and power failure warning.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Product Category | Single-Supply Monitors |
| Package | SOIC 150 MIL (8-pin) |
| Temperature Range | -40°C to 85°C |
| Reset Threshold Voltage | 4.65 V |
| Reset Timeout Delay | 140 ms to 280 ms |
| Watchdog Timeout Period | 1.0 s to 2.25 s |
| Quiescent Supply Current | 100 µA |
| RoHS Compliance | Yes |
Key Features
- Precision supply voltage monitoring with a reset threshold of 4.65 V.
- Reset assertion down to 1 V VCC.
- Battery backup switching for CMOS RAM, CMOS microprocessors, or other low-power devices.
- Optional watchdog timer with a timeout period of 1.6 seconds.
- Power fail warning and low battery detection.
- Low power consumption with a quiescent supply current of 100 µA.
- Space-saving 8-pin SOIC package.
Applications
- Microprocessor systems.
- Computers and computer peripherals.
- Controllers and intelligent instruments.
- CMOS RAM and microprocessor backup power systems.
- Systems requiring power supply monitoring and reset functions.
Q & A
- What is the primary function of the ADM802LARNZ?
The primary function of the ADM802LARNZ is to provide power supply monitoring and control, including reset, battery backup switching, and watchdog timer functions.
- What is the reset threshold voltage for the ADM802LARNZ?
The reset threshold voltage for the ADM802LARNZ is 4.65 V.
- What is the watchdog timeout period for the ADM802LARNZ?
The watchdog timeout period for the ADM802LARNZ is between 1.0 seconds and 2.25 seconds.
- What package type is the ADM802LARNZ available in?
The ADM802LARNZ is available in an 8-pin SOIC package.
- Is the ADM802LARNZ RoHS compliant?
Yes, the ADM802LARNZ is RoHS compliant.
- What is the temperature range for the ADM802LARNZ?
The temperature range for the ADM802LARNZ is -40°C to 85°C.
- What is the quiescent supply current of the ADM802LARNZ?
The quiescent supply current of the ADM802LARNZ is 100 µA.
- Can the ADM802LARNZ be used for battery backup switching?
Yes, the ADM802LARNZ can be used for battery backup switching for CMOS RAM, CMOS microprocessors, or other low-power devices.
- Does the ADM802LARNZ have a power fail warning feature?
Yes, the ADM802LARNZ includes a power fail warning feature and low battery detection.
- What are some common applications of the ADM802LARNZ?
The ADM802LARNZ is commonly used in microprocessor systems, computers, controllers, and intelligent instruments.
