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Part Number: ADM1025
Description: The ADM1025/ADM1025A is a complete system hardware monitor for microprocessor-based systems, providing...
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ADM1025
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DataSheet
General Description
ADM1025 General Description
The ADM1025/ADM1025A is a complete system hardware monitor for microprocessor-based systems, providing measurement and limit comparison of various system parameters. Five voltage measurement inputs are provided, for monitoring 2.5 V, 3.3 V, 5 V and 12 V power supplies and the processor core voltage. The ADM1025/ADM1025A can monitor a sixth power supply voltage by measuring its own VCC. One input (two pins) is dedicated to a remote temperature-sensing diode, and an on-chip temperature sensor allows ambient temperature to be monitored. The ADM1025A has open-drain VID inputs while the
ADM1025 has on-chip 100 kΩ pull-ups on the VID inputs.
The ADM1025/ADM1025A's 3.0 V to 5.5 V supply voltage range, low supply current, and I2C-compatible interface make it ideal for a wide range of applications. These include hardware monitoring and protection applications in personal computers, electronic test equipment, and office electronics.
ADM1025 Maximum Ratings
Positive Supply Voltage (VCC) . . . . . . . . . . . . . . . . . .. . .6.5 V
Voltage on 12 V VIN Pin . . . . . . . . . . . . . . . . . . . . . . . . . 20 V
Voltage on Any Input or Output Pin . . . . . . 0.3 V to +6.5 V
Input Current at Any Pin . . . . . . . . . . . . . . . . . . . . . . . ±5 mA
Package Input Current . . . . . . . . . . . . . . . . . . . . . . . ±20 mA
Maximum Junction Temperature (TJ max) . . . . . . . . . . 150°C
Storage Temperature Range . . . . . . . . . . 65°C to +150°C
Lead Temperature, Soldering
Vapor Phase 60 sec . . . . . . . . . . . . . . . . . . . . . . . . . . 215°C
Infrared 15 sec . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200°C
ESD Rating All Pins . . . . . . . . . . . . . . . . . . . . . . . . . . 2000 V
Voltage on 12 V VIN Pin . . . . . . . . . . . . . . . . . . . . . . . . . 20 V
Voltage on Any Input or Output Pin . . . . . . 0.3 V to +6.5 V
Input Current at Any Pin . . . . . . . . . . . . . . . . . . . . . . . ±5 mA
Package Input Current . . . . . . . . . . . . . . . . . . . . . . . ±20 mA
Maximum Junction Temperature (TJ max) . . . . . . . . . . 150°C
Storage Temperature Range . . . . . . . . . . 65°C to +150°C
Lead Temperature, Soldering
Vapor Phase 60 sec . . . . . . . . . . . . . . . . . . . . . . . . . . 215°C
Infrared 15 sec . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200°C
ESD Rating All Pins . . . . . . . . . . . . . . . . . . . . . . . . . . 2000 V
ADM1025 Features
Up to Eight Measurement Channels
Five Inputs to Measure Supply Voltages
VCC Monitored Internally
External Temperature Measurement with Remote Diode
On-Chip Temperature Sensor
Five Digital Inputs for VID Bits
Integrated 100 k Pull-Ups on VID Pins (ADM1025 Only)
LDCM Support
I2C®-Compatible System Management Bus (SMBus)
Configurable Offset for Internal/External Channel
Shutdown Mode to Minimize Power Consumption
Limit Comparison of all Monitored Values
Five Inputs to Measure Supply Voltages
VCC Monitored Internally
External Temperature Measurement with Remote Diode
On-Chip Temperature Sensor
Five Digital Inputs for VID Bits
Integrated 100 k Pull-Ups on VID Pins (ADM1025 Only)
LDCM Support
I2C®-Compatible System Management Bus (SMBus)
Configurable Offset for Internal/External Channel
Shutdown Mode to Minimize Power Consumption
Limit Comparison of all Monitored Values
ADM1025 Typical Application
Network Servers and Personal Computers
Microprocessor-Based Office Equipment
Test Equipment and Measuring Instruments
Microprocessor-Based Office Equipment
Test Equipment and Measuring Instruments
ADM1025 Connection Diagram
ADM1025
PDF/DataSheet Download
- Datasheet: ADM1025
- File Size: 168029 KB
- Manufacturer: AD [Analog Devices]
- Click here to Download
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