Temperature Sensors | ADT7461

Temperature Sensor with Series Resistance Cancellation

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Datasheet

CAD Model

Overview

The ADT7461 is a dual-channel digital thermometer and under/over temperature alarm intended for use in PCs and thermal management systems. It is pin- and register-compatible with the ADM1032. The ADT7461 has three additional features: series resistance cancellation (where up to 3 kΩ (typical) of resistance in series with the temperature monitoring diode may be automatically cancelled from the temperature result, allowing noise filtering); configurable ~ALERT output; and an extended, switchable temperature measurement range.

  • Thermal Management
  • Notebook and Desktop Computers
  • Game Consoles
  • RFID Readers
  • DSL Line Cards
  • On-chip and Remote Temperature Sensor
  • 0.25°C Resolution/1°C Accuracy on Remote Channel
  • 1°C Resolution/3°C Accuracy on Local Channel
  • Automatically Cancels up to 3 kΩ (typical) of Resistance in Series with Remote Diode to Allow Noise Filtering
  • 2-wire SMBus Serial Interface with SMBus Alert Support
  • Programmable Over/Under Temperature Limits
  • Up to Two Over Temperature Fail-safe THERM Outputs
  • 170 µA Operating Current, 5.5 µA Standby Current

Material Composition

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Product

Status

CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Sensor Type

Data Transmission Standard

ICC Max (mA)

VCC Min (V)

VCC Max (V)

T Min (°C)

T Max (°C)

Temperature Error (°C)

Pricing ($/Unit)

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ADT7461ARMZ-R7

Active

Pb

A

H

P

Micro8

846A-02

1

260

REEL

1000

Y

Local & Remote

SMBus

0.215

3

5.5

-40

125

±1

$2.4247

More Details

ADT7461ARZ-REEL

Active

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

Y

Local & Remote

SMBus

0.215

3

5.5

-40

125

±1

$2.4247

More Details

ADT7461AR-REEL7

Obsolete

Pb

A

H

P

SOIC-8

751-07

1

235

REEL

1000

N

Local & Remote

SMBus

0.215

3

5.5

-40

125

±1

Price N/A

More Details

ADT7461ARM-REEL7

Obsolete

Pb

A

H

P

Micro8

846A-02

1

235

REEL

1000

N

Local & Remote

SMBus

0.215

3

5.5

-40

125

±1

Price N/A

More Details

ADT7461ARMZ-2R

Obsolete

Pb

A

H

P

Micro8

846A-02

1

260

REEL

3000

N

Local & Remote

SMBus

0.215

3

5.5

-40

125

±1

Price N/A

More Details

ADT7461ARMZ

Obsolete

Pb

A

H

P

Micro8

846A-02

1

260

TUBE

50

N

Local & Remote

SMBus

0.215

3

5.5

-40

125

±1

Price N/A

More Details

ADT7461AR-REEL

Obsolete

Pb

A

H

P

SOIC-8

751-07

1

235

REEL

2500

N

Local & Remote

SMBus

0.215

3

5.5

-40

125

±1

Price N/A

More Details

ADT7461ARM-REEL

Obsolete

Pb

A

H

P

Micro8

846A-02

1

235

REEL

3000

N

Local & Remote

SMBus

0.215

3

5.5

-40

125

±1

Price N/A

More Details

ADT7461ARZ

Obsolete

Pb

A

H

P

SOIC-8

751-07

1

260

TUBE

98

N

Local & Remote

SMBus

0.215

3

5.5

-40

125

±1

Price N/A

More Details

ADT7461ARM

Obsolete

Pb

A

H

P

Micro8

846A-02

1

230

TUBE

50

N

Local & Remote

SMBus

0.215

3

5.5

-40

125

±1

Price N/A

More Details

ADT7461AR

Obsolete

Pb

A

H

P

SOIC-8

751-07

1

230

TUBE

98

N

Local & Remote

SMBus

0.215

3

5.5

-40

125

±1

Price N/A

More Details

ADT7461ARMZ-2RL7

Obsolete

Pb

A

H

P

Micro8

846A-02

1

260

REEL

1000

N

Local & Remote

SMBus

0.215

3

5.5

-40

125

±1

Price N/A

More Details

ADT7461ARZ-REEL7

Obsolete

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

1000

N

Local & Remote

SMBus

0.215

3

5.5

-40

125

±1

Price N/A

More Details

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