Overview
The LM74CIMX-3/NOPB is a high-accuracy, 12-bit plus sign temperature sensor produced by Texas Instruments. This device is designed to provide precise temperature measurements and is compatible with SPI and Microwire serial interfaces, making it easy to integrate with various microcontrollers and processors. The LM74CIMX-3/NOPB operates over a wide supply voltage range of 3.0V to 3.6V and is available in an 8-pin SOIC package, ensuring versatility and reliability in a variety of applications.
Key Specifications
| Parameter | Conditions | Typical/ Limits | Units |
|---|---|---|---|
| Temperature Error | TA = −10°C to +65°C | ±1.25°C (max) | °C |
| Temperature Error | TA = −25°C to +110°C | +2.65/−2.15°C (max) | °C |
| Supply Voltage | V+ | 3.0V to 3.6V | V |
| Resolution | 12 bits | bits | |
| Interface | SPI, Microwire | ||
| Package Type | SOIC-8 | ||
| Standby Current | Typically very low, e.g., 1.8μA | A |
Key Features
- High accuracy temperature measurements with ±1.25°C error over the range of −10°C to +65°C.
- 12-bit plus sign temperature-to-digital converter.
- Compatibility with SPI and Microwire serial interfaces for easy communication with microcontrollers and processors.
- Wide supply voltage range of 3.0V to 3.6V.
- Low standby current, typically in the range of microamperes.
- Available in an 8-pin SOIC package.
Applications
- Industrial automation and control systems.
- Aerospace and defense applications requiring precise temperature monitoring.
- Medical devices where accurate temperature sensing is critical.
- Automotive systems for engine and cabin temperature monitoring.
- Consumer electronics such as smart home devices and appliances.
Q & A
- What is the temperature accuracy of the LM74CIMX-3/NOPB? The LM74CIMX-3/NOPB has a temperature accuracy of ±1.25°C over the range of −10°C to +65°C.
- What serial interfaces does the LM74CIMX-3/NOPB support? The LM74CIMX-3/NOPB supports SPI and Microwire serial interfaces.
- What is the supply voltage range for the LM74CIMX-3/NOPB? The supply voltage range is 3.0V to 3.6V.
- What is the resolution of the temperature sensor? The resolution is 12 bits.
- In what package is the LM74CIMX-3/NOPB available? The LM74CIMX-3/NOPB is available in an 8-pin SOIC package.
- What are some typical applications of the LM74CIMX-3/NOPB? Typical applications include industrial automation, aerospace, medical devices, automotive systems, and consumer electronics.
- How much current does the LM74CIMX-3/NOPB consume in standby mode? The standby current is typically very low, in the range of microamperes (e.g., 1.8μA).
- Is the LM74CIMX-3/NOPB RoHS compliant? Yes, the LM74CIMX-3/NOPB is RoHS compliant.
- What is the operating temperature range for the LM74CIMX-3/NOPB? The operating temperature range includes various specifications such as −10°C to +65°C, −25°C to +110°C, and others depending on the specific conditions.
- Where can I find detailed specifications and datasheets for the LM74CIMX-3/NOPB? Detailed specifications and datasheets can be found on the Texas Instruments website and other electronic component distributors like Mouser and LCSC.
