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Specifications
Temperature Range:
-55℃~+125℃
Interface:
I2C;SMBus
Temperature Conversion Time:
240ms
Temperature Resolution:
12bit
Voltage - Supply:
2.7V~5.5V
Mfr. Part #:
MCP9800A1T-M/OT
Package:
SOT-23-5
Key Attributes
Model Number:
MCP9800A1T-M/OT
Product Description
Product Overview
The MCP9800/1/2/3 family of digital temperature sensors from Microchip Technology Inc. are highly accurate temperature-to-digital converters. They offer user-selectable resolution from 9 to 12 bits and operate over a wide voltage range of 2.7V to 5.5V. Featuring a 2-wire I2C/SMBus compatible interface, these sensors are ideal for various applications including personal computers, servers, entertainment systems, and mobile phones, providing precise temperature monitoring with low operating current and power-saving modes.
Product Attributes
- Brand: Microchip Technology Inc.
- Origin: Not specified
- Material: Not specified
- Color: Not specified
- Certifications: Not specified
Technical Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions |
| General Specifications | ||||||
| Temperature Sensor Accuracy (12-bit Resolution) | TACY | - | 0.5 | - | C | Typical at +25C, VDD = 3.3V |
| Temperature Sensor Accuracy (12-bit Resolution) | TACY | -1.0 | - | +1.0 | C | Maximum from -10C to +85C, VDD = 3.3V |
| Temperature Sensor Accuracy (12-bit Resolution) | TACY | -2.0 | - | +2.0 | C | Maximum from -10C to +125C, VDD = 3.3V |
| Temperature Sensor Accuracy (12-bit Resolution) | TACY | -3.0 | - | +3.0 | C | Maximum from -55C to +125C, VDD = 3.3V |
| User-selectable Resolution | - | 9 | - | 12 | bit | - |
| Operating Voltage Range | VDD | 2.7 | - | 5.5 | V | - |
| Operating Current | IDD | - | 200 | 400 | A | Continuous Operation |
| Shutdown Current | ISHDN | - | 0.1 | 1 | A | Shutdown mode |
| Conversion Time (9-bit) | tCONV | - | 30 | 75 | ms | 33 samples/sec (typical) |
| Conversion Time (10-bit) | tCONV | - | 60 | 150 | ms | 17 samples/sec (typical) |
| Conversion Time (11-bit) | tCONV | - | 120 | 300 | ms | 8 samples/sec (typical) |
| Conversion Time (12-bit) | tCONV | - | 240 | 600 | ms | 4 samples/sec (typical) |
| Response Time | tRES | - | 1.4 | - | s | Time to 63% (27C to 125C) |
| Serial Interface (I2C/SMBus Compatible) | ||||||
| Serial Port Frequency | fSC | 0 | - | 400 | kHz | I2C MCP9800/01 |
| Serial Port Frequency | fSC | 10 | - | 400 | kHz | SMBus MCP9802/03 |
| Clock Period | tSC | 2.5 | - | - | s | - |
| Low Clock Time | tLOW | 1.3 | - | - | s | - |
| High Clock Time | tHIGH | 0.6 | - | - | s | - |
| Rise Time | tR | 20 | - | 300 | ns | 10% to 90% of VDD |
| Fall Time | tF | 20 | - | 300 | ns | 90% to 10% of VDD |
| Data Setup Before SCLK High | tSU-DATA | 0.1 | - | - | s | - |
| Data Hold After SCLK Low | tH-DATA | 0 | - | 0.9 | s | - |
| Start Condition Setup Time | tSU-START | 0.6 | - | - | s | - |
| Start Condition Hold Time | tH-START | 0.6 | - | - | s | - |
| Stop Condition Setup Time | tSU-STOP | 0.6 | - | - | s | - |
| Bus Idle Time | tIDLE | 1.3 | - | - | s | - |
| Time Out (MCP9802/03 only) | tOUT | 25 | 35 | 50 | ms | - |
| Temperature Ranges | ||||||
| Specified Temperature Range | TA | -55 | - | +125 | C | (Note 1) |
| Operating Temperature Range | TA | -55 | - | +125 | C | - |
| Storage Temperature Range | TA | -65 | - | +150 | C | - |
| Thermal Package Resistances | ||||||
| Thermal Resistance (5L-SOT23) | JA | - | 256 | - | C/W | - |
| Thermal Resistance (8L-SOIC) | JA | - | 163 | - | C/W | - |
| Thermal Resistance (8L-MSOP) | JA | - | 206 | - | C/W | - |
2410121940_MICROCHIP-MCP9800A1T-M-OT_C5229556.pdf
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