Temperature Sensors | NCT1008

±1°C 温度传感器，带串联电阻抵消

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概览

NCT1008 是一款双沟道数字温度传感器，用于更高热密度应用。 NCT1008 具有串联电阻抑制功能，可从温度结果中自动消除温度监控二极管高达 1.5 kΩ 的串联电阻，从而滤除噪声。NCT1008 有一个可配置的 ALERT 输出，以及可切换的宽广温度测量范围。NCT1008 的远程热二极管温度测量准确度为 ±1°C，环境温度测量准确度为 ±3°C。温度测量范围默认为 0°C 至 +127°C，与 ADM1032 兼容，但它可以切换为更宽的测量范围 -64°C 至 +191°C。NCT1008 通过 2 线串行接口进行通信，符合系统管理总线 (SMBus/I2C) 标准。NCT1008 的默认 SMBus/I2C 地址是 0x4C。NCT1008D 的 SMBus/I2C 地址是 0x4D。如同一 SMBus/I2C 上使用了一个以上的 NCT1008，地址会非常有用。当片上或远程温度超出范围时，/ALERT 输出会发出信号。THERM 输出是一个比较器输出，可以控制冷却风扇的开关。如果需要，可以将 ALERT 输出重新配置为次级 THERM 输出。

  • Thermal Management
  • Notebook and Desktop Computers
  • Game Consoles
  • Servers
  • LCD TVs
  • Smart Electric Meters
  • Occupancy Sensors
  • DSL Line Cards
  • Graphics Cards
  • On-chip and remote temperature sensor
  • 0.25°C resolution/1°C accuracy on remote channel
  • 1°C resolution/1°C accuracy on local channel
  • Automatically cancels up to 1.5 kΩ (typical) of resistance in series with remote diode to allow noise filtering
  • Extended, switchable temperature measurement range 0°C to +127°C (default) or 64°C to +191°C
  • 2-wire SMBus serial interface with SMBus alert support
  • Programmable over/under temperature limits
  • Offset registers for system calibration
  • Up to two overtemperature fail-safe THERM outputs
  • Remote THERM Limit of 108°C
  • Compatible with 1.8 V Logic

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MSL Temp (°C)

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ICC Max (mA)

VCC Min (V)

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T Min (°C)

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Reference Price

NCT1008CMN3R2G

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Obsolete

CAD Model

Pb

A

H

P

DFN-8

506BJ

1

260

REEL

3000

N

Local & Remote

I2C

0.35

2.8

3.6

-40

125

±1

Price N/A

More Details

NCT1008CMT3R2G

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Obsolete

CAD Model

Pb

A

H

P

WDFN-8

511AT

1

260

REEL

3000

N

Local & Remote

I2C

0.35

2.8

3.6

-40

125

±1

Price N/A

More Details

NCT1008DMN3R2G

Loading...

Obsolete

CAD Model

Pb

A

H

P

DFN-8

506BJ

1

260

REEL

3000

N

Local & Remote

I2C

0.35

2.8

3.6

-40

125

±1

Price N/A

More Details

NCT1008DMT3R2G

Loading...

Obsolete

CAD Model

Pb

A

H

P

WDFN-8

511AT

1

260

REEL

3000

N

Local & Remote

I2C

0.35

2.8

3.6

-40

125

±1

Price N/A

More Details

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