| Part Number | LM81BIMT-3 | LM81CIMT-3 |
|---|---|---|
| Manufacturer | National Semiconductor | Texas Instruments |
| Category | PMIC - Thermal Management | PMIC - Thermal Management |
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| Product Status | Active | Obsolete |
| Function | Hardware Monitor | Hardware Monitor |
| Sensor Type | Internal and External | Internal and External |
| Sensing Temperature | -40°C ~ 125°C | -40°C ~ 125°C |
| Accuracy | ±3°C(Max) | ±3°C(Max) |
| Topology | ADC (Sigma Delta), Comparator, Fan Speed Control, Register Bank | ADC (Sigma Delta), Comparator, Fan Speed Control, Register Bank |
| Output Type | 2-Wire SMBus | 2-Wire SMBus |
| Output Alarm | Yes | Yes |
| Output Fan | Yes | Yes |
| Voltage - Supply | 2.8V ~ 3.8V | 2.8V ~ 3.8V |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 24-TSSOP (0.173", 4.40mm Width) | 24-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 24-TSSOP | 24-TSSOP |