MCP9700/9700A and MCP9701/9701A Low-Power Linear Active Thermistor ICs
The MCP9700/9700A and MCP9701/9701A are analog temperature sensors that convert temperature into an analog voltage. These low-cost, low-power devices offer an integrated solution, eliminating the need for additional signal conditioning circuits typically required by resistive sensors like thermistors. The output voltage can be directly connected to a microcontroller's Analog-to-Digital Converter (ADC). They are optimized for applications requiring accurate temperature measurement, including PC peripherals, entertainment systems, home appliances, office equipment, battery packs, and general-purpose temperature monitoring. The sensors are designed to drive large capacitive loads, providing flexibility in PCB layout and improved transient response.
Product Attributes
- Brand: Microchip Technology Inc.
- Origin: Not specified
- Material: Not specified
- Color: Not specified
- Certifications: Not specified
Technical Specifications
| Parameter | Model | Min | Typ | Max | Unit | Conditions |
| Specified Temperature Range | MCP9700/9700A | -40 | +125 | C | TA | |
| Specified Temperature Range | MCP9701/9701A | -10 | +125 | C | TA | |
| High Temperature Range | MCP9700 (SOT23-3 & SC70-5 only) | -40 | +150 | C | TA | |
| Power Supply Operating Voltage Range | MCP9700/9700A | 2.3 | 5.5 | V | VDD | |
| Power Supply Operating Voltage Range | MCP9701/9701A | 3.1 | 5.5 | V | VDD | |
| Operating Current | All Models | 6 | A | Typical | ||
| Operating Current | All Models | 12 | A | Typical | ||
| Operating Current | All Models | 15 | A | TA = 150C | ||
| Sensor Accuracy (0C to +70C) | MCP9700A/9701A | 1 | C | TA = +25C | ||
| Sensor Accuracy (0C to +70C) | MCP9700A/9701A | -2.0 | 1 | +2.0 | C | TA = 0C to +70C |
| Sensor Accuracy (-40C to +125C) | MCP9700A | -2.0 | 1 | +4.0 | C | TA |
| Sensor Accuracy (-10C to +125C) | MCP9701A | -2.0 | 1 | +4.0 | C | TA |
| Sensor Accuracy (0C to +70C) | MCP9700/9701 | -4.0 | 2 | +4.0 | C | TA = 0C to +70C |
| Sensor Accuracy (-40C to +125C) | MCP9700 | -4.0 | 2 | +6.0 | C | TA |
| Sensor Accuracy (-10C to +125C) | MCP9701 | -4.0 | 2 | +6.0 | C | TA |
| Sensor Accuracy (-40C to +150C) | MCP9700 (High Temp) | -4.0 | 2 | +6.0 | C | TA |
| Sensor Output Voltage (TA = 0C) | MCP9700/9700A | 500 | mV | |||
| Sensor Output Voltage (TA = 0C) | MCP9701/9701A | 400 | mV | |||
| Temperature Coefficient | MCP9700/9700A | 10.0 | mV/C | Typical | ||
| Temperature Coefficient | MCP9701/9701A | 19.5 | mV/C | Typical | ||
| Output Nonlinearity | All Models | 0.5 | C | TA = 0C to +70C | ||
| Output Current | All Models | 100 | A | |||
| Output Impedance | All Models | 20 | IOUT = 100 A, f = 500 Hz | |||
| Turn-On Time | All Models | 800 | s | |||
| Typical Load Capacitance | All Models | 1000 | pF | Note 4 | ||
| Thermal Resistance (JA) | SC70-5 | 331 | C/W | |||
| Thermal Resistance (JA) | SOT-23-3 | 308 | C/W | |||
| Thermal Resistance (JA) | TO-92-3 | 146 | C/W |
2410121945_MICROCHIP-MCP9700-E-TO_C511295.pdf
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