Overview
The LM20CIM7/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 designed for high accuracy and low power consumption. The LM20 is available in SC70 and DSBGA packages, making it versatile for various applications. The sensor's transfer function is predominantly linear with a slight predictable parabolic curvature, ensuring reliable temperature measurements across its operating range.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Temperature Range | −55 to 130 | °C |
| Power Supply Voltage Range | 2.4 to 5.5 | V |
| Current Drain | 10 | μA (Maximum) |
| Accuracy at 30°C | ±1.5 to ±4 | °C (Maximum) |
| Accuracy at 130°C and −55°C | ±2.5 to ±5 | °C (Maximum) |
| Nonlinearity | ±0.4% | |
| Output Impedance | 160 | Ω (Maximum) |
| Load Regulation | −2.5 mV (Maximum) | |
| Package Type | 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.
Applications
The LM20CIM7/NOPB is suitable for a variety of applications where precise temperature measurement is critical. These include:
- Remote temperature sensing due to its low power consumption and high accuracy.
- Industrial automation and control systems where temperature monitoring is essential.
- Aerospace and automotive applications where the sensor's wide operating temperature range is beneficial.
- Medical devices and equipment that require accurate temperature measurements.
Q & A
- What is the operating temperature range of the LM20CIM7/NOPB? The operating temperature range is −55°C to 130°C.
- What are the available package types for the LM20CIM7/NOPB? The LM20CIM7/NOPB is available in SC70 and DSBGA packages.
- What is the maximum current drain of the LM20CIM7/NOPB? The maximum current drain is 10 μA.
- What is the accuracy of the LM20CIM7/NOPB at 30°C? The accuracy at 30°C is ±1.5 to ±4°C (Maximum).
- What is the output impedance of the LM20CIM7/NOPB? The output impedance is 160 Ω (Maximum).
- Is the LM20CIM7/NOPB suitable for remote applications? Yes, it is suitable for remote applications due to its low power consumption and high accuracy.
- What is the power supply voltage range for the LM20CIM7/NOPB? The power supply voltage range is 2.4 V to 5.5 V.
- Does the LM20CIM7/NOPB have a shutdown capability? The LM20CIM7/NOPB has intrinsic shutdown capability due to its low power consumption.
- What is the nonlinearity of the LM20CIM7/NOPB? The nonlinearity is ±0.4% (Typical).
- What are some common applications of the LM20CIM7/NOPB? Common applications include remote temperature sensing, industrial automation, aerospace, automotive, and medical devices.
