Overview
The LM20CIM7X/NOPB is a precision analog output CMOS integrated-circuit temperature sensor produced by Texas Instruments. This sensor operates over a wide temperature range of −55°C to 130°C and is powered by a supply voltage ranging from 2.4 V to 5.5 V. The LM20 features a predominantly linear transfer function with a slight predictable parabolic curvature, ensuring high accuracy across the operating temperature range. It is particularly suited for remote applications due to its low power consumption and robust performance characteristics.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Temperature Range | −55°C to 130°C | °C |
| Power Supply Voltage Range | 2.4 V to 5.5 V | V |
| Current Drain (Maximum) | 10 μA | μA |
| Accuracy at 30°C (Maximum) | ±1.5°C to ±4°C | °C |
| Accuracy at 130°C and −55°C (Maximum) | ±2.5°C to ±5°C | °C |
| Nonlinearity (Typical) | ±0.4% | % |
| Output Impedance (Maximum) | 160 Ω | Ω |
| Load Regulation (Maximum) | −2.5 mV | mV |
| Package Type | SOT-SC70 (DCK) | |
| Pins | 5 |
Key Features
- Rated for −55°C to 130°C temperature range
- Available in SC70 and DSBGA packages
- Predictable curvature error
- Suitable for remote applications
- Low power consumption with a maximum current drain of 10 μA
- High accuracy with ±1.5°C at 30°C and ±2.5°C at temperature extremes
- Low self-heating due to low power consumption
- No shutdown capability required due to intrinsic low power consumption
Applications
The LM20CIM7X/NOPB is versatile and can be used in various applications requiring precise temperature measurement. These include:
- Remote sensing applications where low power consumption is crucial
- Industrial automation and control systems
- Aerospace and defense systems requiring wide temperature range operation
- Automotive systems for temperature monitoring
- Medical devices and equipment needing accurate temperature sensing
Q & A
- What is the operating temperature range of the LM20CIM7X/NOPB?
The operating temperature range is −55°C to 130°C. - What is the power supply voltage range for the LM20CIM7X/NOPB?
The power supply voltage range is 2.4 V to 5.5 V. - What is the maximum current drain of the LM20CIM7X/NOPB?
The maximum current drain is 10 μA. - What is the accuracy of the LM20CIM7X/NOPB at 30°C?
The accuracy at 30°C is ±1.5°C to ±4°C. - What is the package type of the LM20CIM7X/NOPB?
The package type is SOT-SC70 (DCK) with 5 pins. - Is the LM20CIM7X/NOPB suitable for remote applications?
Yes, it is suitable for remote applications due to its low power consumption and robust performance. - Does the LM20CIM7X/NOPB require a shutdown capability?
No, it does not require a shutdown capability due to its intrinsic low power consumption. - What is the nonlinearity of the LM20CIM7X/NOPB?
The nonlinearity is typically ±0.4%. - What is the output impedance of the LM20CIM7X/NOPB?
The output impedance is a maximum of 160 Ω. - What are some common applications of the LM20CIM7X/NOPB?
Common applications include remote sensing, industrial automation, aerospace, automotive systems, and medical devices.
