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| Part Number | LM80CIMT-3/NOPB | LM80CIMT-5/NOPB | LM81CIMT-3/NOPB | LM80CIMTX-3/NOPB |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | National Semiconductor | Texas Instruments | Texas Instruments |
| Product Status | Not For New Designs | Obsolete | Active | Not For New Designs |
| Function | Hardware Monitor | Hardware Monitor | Hardware Monitor | Hardware Monitor |
| Sensor Type | Internal and External | Internal and External | Internal and External | Internal and External |
| Sensing Temperature | -25°C ~ 125°C, External Sensor | -25°C ~ 125°C, External Sensor | -40°C ~ 125°C | -25°C ~ 125°C, External Sensor |
| Accuracy | ±3°C(Max) | ±3°C(Max) | ±3°C(Max) | ±3°C(Max) |
| Topology | ADC, Comparator, Fan Speed Counter, Register Bank | ADC, Comparator, Fan Speed Counter, Register Bank | ADC (Sigma Delta), Comparator, Fan Speed Control, Register Bank | ADC, Comparator, Fan Speed Counter, Register Bank |
| Output Type | I²C | I²C | 2-Wire SMBus | I²C |
| Output Alarm | No | No | Yes | No |
| Output Fan | No | No | Yes | No |
| Voltage - Supply | 2.8V ~ 5.75V | 2.8V ~ 5.75V | 2.8V ~ 3.8V | 2.8V ~ 5.75V |
| Operating Temperature | -25°C ~ 125°C | -25°C ~ 125°C | -40°C ~ 125°C | -25°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 24-TSSOP (0.173", 4.40mm Width) | 24-TSSOP (0.173", 4.40mm Width) | 24-TSSOP (0.173", 4.40mm Width) | 24-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 24-TSSOP | 24-TSSOP | 24-TSSOP | 24-TSSOP |
