The MCP9902/3/4 is a high-accuracy, low-cost, System Management Bus (SMBus) temperature sensor.
Features
Up to Three External Temperature Monitors - ±1°C maximum accuracy MCP9902: -40°C to +105°C MCP9903/4: -40°C to +125°C - ±2°C maximum accuracy (+65°C < TDIODE < +125°C) - 0.125°C resolution.
Internal Temperature Monitor - ±1°C accuracy - (-40°C to +65°C) - 0.125°C resolution.
Supports up to 2.2 nF diode filter capacitor.
Up to 400 kHz clock rate
- Maskable with register control.
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MCP9902/3/4
Multi-Channel Low-Temperature Remote Diode Sensor
Features
• Up to Three External Temperature Monitors - ±1°C maximum accuracy MCP9902: -40°C to +105°C MCP9903/4: -40°C to +125°C - ±2°C maximum accuracy (+65°C < TDIODE < +125°C) - 0.125°C resolution
• Internal Temperature Monitor - ±1°C accuracy - (-40°C to +65°C) - 0.125°C resolution
• Supports up to 2.2 nF diode filter capacitor • Up to 400 kHz clock rate
- Maskable with register control • Programmable SMBus address • Operating voltage: 3.0 to 3.