Overview
The LM26CIM5X-TPA/NOPB is a precision, single digital-output, low-power thermostat produced by Texas Instruments. This device is designed to provide accurate temperature monitoring and control, making it suitable for a wide range of applications. The LM26 integrates an internal reference, DAC, temperature sensor, and comparator, allowing for factory-programmed trip points and various digital output functionalities. It operates within a temperature range of −55°C to 110°C with an accuracy of ±3°C, and it is available in a compact 5-pin SOT-23 package.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Power Supply Voltage | 2.7V to 5.5V | V |
| Power Supply Current | 40µA (max), 20µA (typ) | µA |
| Hysteresis Temperature | 2°C or 10°C (typ) | °C |
| Temperature Trip Point Accuracy | ±3°C (max) for −55°C to 110°C, ±4°C (max) for +120°C | °C |
| Temperature Range | −55°C to +125°C | °C |
| VTEMP Output Temperature Sensitivity | −10.82 mV/°C | mV/°C |
| Package Type | 5-pin SOT-23 |
Key Features
- Internal comparator with pin-programmable 2°C or 10°C hysteresis
- No external components required
- Open-drain or push-pull digital output; supports CMOS logic levels
- Internal temperature sensor with VTEMP output pin
- VTEMP output allows after-assembly system testing
- Internal voltage reference and DAC for trip-point setting
- Excellent power supply noise rejection
- UL Recognized Component
Applications
- Microprocessor Thermal Management
- Appliances
- Portable Battery Powered Systems
- Fan Control
- Industrial Process Control
- HVAC Systems
- Remote Temperature Sensing
- Electronic System Protection
Q & A
- What is the operating temperature range of the LM26CIM5X-TPA/NOPB?
The operating temperature range is −55°C to +125°C. - What are the available hysteresis values for the LM26?
The hysteresis can be set to 2°C or 10°C, controlled by the state of the HYST pin. - What is the power supply voltage range for this device?
The power supply voltage range is 2.7V to 5.5V. - What is the typical power supply current?
The typical power supply current is 20µA. - What type of package is the LM26CIM5X-TPA/NOPB available in?
The device is available in a 5-pin SOT-23 package. - What is the purpose of the VTEMP output pin?
The VTEMP output pin provides a voltage that is proportional to temperature, allowing for after-assembly system testing. - Can the digital output be configured as either open-drain or push-pull?
Yes, the digital output can be configured as either open-drain or push-pull. - What are some common applications of the LM26?
Common applications include microprocessor thermal management, appliances, portable battery-powered systems, fan control, industrial process control, HVAC systems, remote temperature sensing, and electronic system protection. - Is the LM26 UL recognized?
Yes, the LM26 is UL recognized. - How is the trip point accuracy of the LM26 specified?
The trip point accuracy is specified as ±3°C (max) for −55°C to 110°C and ±4°C (max) for +120°C.
