System Hardware Monitor

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Overview

The ADM9240 is a complete system hardware monitor for microprocessor-based systems, providing measurement and limit comparison of up to four power supplies and two processor core voltages, plus temperature, two fan speeds and chassis intrusion. Measured values can be read out via an I2C-compatible serial System Management Bus, and values for limit comparisons can be programmed in over the same serial bus. The high speed successive approximation ADC allows frequent sampling of all analog channels to ensure a fast interrupt response to any out-of-limit measurement.

  • Microprocessor-based office equipment
  • Personal computers
  • Network servers
  • Six Direct Voltage Measurement Inputs (including two processor core voltages) with On-Chip Attenuators
  • On-Chip Temperature Sensor
  • Five Digital Inputs for VID bits
  • Register-Compatible with LM7x Products
  • Two Fan Speed Monitoring Inputs
  • I2C Compatible System Management bus (SMBus)
  • Chassis Intrusion Detect
  • Interrupt Output
  • Programmable RESET I/O Pin
  • Shutdown Mode to Minimize Power Consumption
  • Limit Comparison of All Monitored Values

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CAD Models

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Package Type

Case Outline

MSL Type

MSL Temp (°C)

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ON Target

Data Transmission Standard

ICC Max (mA)

VCC Min (V)

VCC Max (V)

T Min (°C)

T Max (°C)

Reference Price

ADM9240ARU-REEL7

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Obsolete

CAD Model

Pb

A

H

P

No Case Outline

1

230

REEL

1000

N

I2C/SMBus

2

2.85

5.75

-40

125

Price N/A

More Details

ADM9240ARUZ

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Obsolete

CAD Model

Pb

A

H

P

No Case Outline

1

260

TUBE

62

N

I2C/SMBus

2

2.85

5.75

-40

125

Price N/A

More Details

ADM9240ARUZ-R7

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Obsolete

CAD Model

Pb

A

H

P

No Case Outline

1

260

REEL

1000

N

I2C/SMBus

2

2.85

5.75

-40

125

Price N/A

More Details

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