Overview
The ADM1025ARQZ-REEL7, produced by onsemi, is a comprehensive system hardware monitor ASIC designed for microprocessor-based systems. This component provides measurement and limit comparison of various system parameters, including supply voltages, temperatures, and digital inputs. It is particularly suited for applications requiring robust hardware monitoring and protection, such as in personal computers, network servers, and office electronics.
Key Specifications
| Parameter | Unit | Min | Typ | Max | Comments |
|---|---|---|---|---|---|
| Supply Voltage Range | V | 3.0 | 5.5 | ||
| Supply Current | mA | Low supply current | |||
| Measurement Channels | Up to 8 | ||||
| Analog Input Range | V | 0 | 2.5 | With built-in attenuators for higher voltages | |
| Conversion Time (Analog Input) | ms | 11.6 | |||
| Conversion Time (External Temperature) | ms | 34.8 | Averaged over 16 conversions | ||
| Input Resistance (2.5 V, 3.3 V, 5 V, 12 V, VCCPIN) | kΩ | 80 | 140 | 250 | |
| Output Low Voltage (IOUT = -6.0 mA, VCC = 3 V) | V | 0.4 | |||
| Package / Case | 16-SSOP (0.154", 3.90mm Width) | ||||
| Mounting Type | Surface Mount |
Key Features
- Up to 8 measurement channels
- 5 inputs to measure supply voltages with built-in attenuators for 2.5 V, 3.3 V, 5 V, 12 V, and processor core voltage VCCP
- Internal and external temperature measurement with on-chip temperature sensor and remote diode
- 5 digital inputs for VID bits with integrated 100 kΩ pull-ups (ADM1025 only)
- I2C compatible system management bus (SMBus)
- Programmable RST and INT output pins
- Configurable offset for internal/external channels
- Shutdown mode to minimize power consumption
- Limit comparison of all monitored values
Applications
- Network servers and personal computers
- Microprocessor-based office equipment
- Electronic test equipment
- Office electronics
Q & A
- What is the supply voltage range of the ADM1025ARQZ-REEL7? The supply voltage range is 3.0 V to 5.5 V.
- How many measurement channels does the ADM1025ARQZ-REEL7 support? It supports up to 8 measurement channels.
- What types of temperatures can the ADM1025ARQZ-REEL7 measure? It can measure both internal and external temperatures using an on-chip temperature sensor and a remote diode.
- What is the conversion time for analog inputs? The conversion time for analog inputs is 11.6 ms.
- How long does it take to measure external temperature? The measurement of external temperature takes nominally 34.8 ms, averaged over 16 conversions.
- What interface does the ADM1025ARQZ-REEL7 use for system management? It uses an I2C compatible system management bus (SMBus).
- Can the output pins be programmed? Yes, the RST and INT output pins are programmable.
- What is the package type of the ADM1025ARQZ-REEL7? It comes in a 16-SSOP package.
- How is the ADM1025ARQZ-REEL7 mounted? It is a surface mount component.
- What are some common applications of the ADM1025ARQZ-REEL7? Common applications include network servers, personal computers, microprocessor-based office equipment, electronic test equipment, and office electronics.
