Overview
The ADM1025ARQ, produced by Analog Devices Inc., is a comprehensive system hardware monitor designed for microprocessor-based systems. This component integrates multiple functions to monitor and manage various system parameters, making it an essential part of modern electronic equipment such as personal computers, network servers, and microprocessor-based office equipment. The ADM1025ARQ provides accurate temperature monitoring, voltage measurement, and programmable fan control, all within a compact and energy-efficient package.
Key Specifications
| Parameter | Specification |
|---|---|
| Manufacturer Part Number | ADM1025ARQ-REEL |
| Manufacturer | Analog Devices Inc. |
| Package | 16-pin SSOP (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| Interface | I²C (SMBus compatible) |
| Voltage - Supply | 3 V to 5.5 V |
| Temperature Measurement Range | −128°C to +127°C (theoretical), ±2°C accuracy from 0°C to +85°C |
| Measurement Channels | Up to 8 channels (5 voltage, 1 internal temperature, 1 external temperature, and 1 digital input) |
| Power Consumption | Low power consumption with shutdown mode to minimize power |
Key Features
- Accurate temperature monitoring with an on-chip band gap temperature sensor and external temperature sensing capability using a diode-connected transistor.
- Programmable fan control with a DAC output.
- Wide operating voltage range from 3V to 5.5V.
- Low power consumption with a shutdown mode to minimize power.
- Compact 16-pin SSOP package.
- I²C compatible system management bus (SMBus) for serial communication.
- Up to 8 measurement channels, including 5 inputs to measure supply voltages and 1 internal and 1 external temperature measurement.
- Integrated 100 kΩ pull-ups on VID pins (for ADM1025 only).
- Configurable offset for internal/external channels and limit comparison of all monitored values.
Applications
- Temperature monitoring and fan control in personal computers and other electronic equipment.
- Network servers and microprocessor-based office equipment.
- Test equipment and measuring instruments.
Q & A
- What is the primary function of the ADM1025ARQ?
The primary function of the ADM1025ARQ is to provide a comprehensive system hardware monitoring solution, including temperature monitoring, voltage measurement, and programmable fan control.
- What is the operating voltage range of the ADM1025ARQ?
The ADM1025ARQ operates from a single 3V to 5.5V power supply.
- What type of interface does the ADM1025ARQ use?
The ADM1025ARQ uses an I²C (SMBus compatible) interface for serial communication.
- How accurate is the temperature measurement of the ADM1025ARQ?
The ADM1025ARQ monitors temperature with an accuracy of ±2°C from 0°C to +85°C.
- What is the package type of the ADM1025ARQ?
The ADM1025ARQ is packaged in a 16-pin SSOP (0.154", 3.90mm Width).
- Is the ADM1025ARQ suitable for surface mounting?
- What are the typical applications of the ADM1025ARQ?
The ADM1025ARQ is typically used in personal computers, network servers, microprocessor-based office equipment, and test equipment.
- Does the ADM1025ARQ support external temperature sensing?
- Is the ADM1025ARQ power-efficient?
- Is the ADM1025ARQ still in production?
No, the ADM1025ARQ is an obsolete product. Customers should contact the manufacturer for information on equivalent or alternative models.
